Male Reproductive System 2

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1. Can Emissions happen while you sleep?

Explanation

Emissions can occur while sleeping due to various factors. During sleep, our bodies continue to perform essential functions such as breathing and digestion. These processes can produce emissions such as carbon dioxide and methane. Additionally, emissions can also occur from sources in our surroundings, such as appliances or vehicles, which may continue to operate while we sleep. Therefore, it is possible for emissions to happen while sleeping.

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About This Quiz
Reproductive System Quizzes & Trivia

Explore the Male Reproductive System 2 quiz, focusing on the anatomy and function of male genitalia. Assess your knowledge on structures like the penis, scrotum, and prostate, and... see moreunderstand their roles in reproduction. Ideal for students and individuals interested in health sciences. see less

2. LH stands for?

Explanation

LH stands for Luteinizing hormone. This hormone is produced by the pituitary gland and plays a crucial role in the reproductive system. In females, LH helps regulate the menstrual cycle and triggers ovulation. In males, it stimulates the production of testosterone. Luteinizing hormone is essential for fertility and plays a vital role in the functioning of the ovaries and testes.

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3. FSH is also known as?

Explanation

FSH, or follicle stimulating hormone, is a hormone that plays a crucial role in the reproductive system. It is responsible for stimulating the growth and development of ovarian follicles in females, which contain eggs. In males, FSH stimulates the production of sperm in the testes. Therefore, FSH is commonly referred to as "follicle stimulating hormone" due to its role in stimulating the growth of ovarian follicles.

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4. The Corpus spongiosum exists to hold the urethra open, why?

Explanation

The Corpus spongiosum is a spongy tissue in the penis that surrounds the urethra. Its main function is to keep the urethra open during sexual arousal and ejaculation. This allows for the passage of semen through the urethra and out of the body. Without the Corpus spongiosum, the urethra could collapse or become constricted, hindering the proper flow of semen during ejaculation. Therefore, its presence is crucial for facilitating proper ejaculation.

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5. The two functions of the testicles are?

Explanation

The testicles have two main functions: the production of sperm and the production of testosterone. Sperm production occurs within the seminiferous tubules of the testicles, while testosterone is produced by specialized cells called Leydig cells. Testosterone is a hormone that plays a crucial role in the development of male reproductive organs, secondary sexual characteristics, and overall sexual function. Therefore, the correct answer is the production of sperm and testosterone.

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6. Spermatids turn into?

Explanation

Spermatids are immature male germ cells that undergo a process called spermiogenesis to develop into mature sperm. During spermiogenesis, spermatids undergo structural and functional changes, including the formation of a head, midpiece, and tail. These changes enable the spermatids to acquire the ability to swim and fertilize an egg. Therefore, the correct answer is "mature sperm."

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7. Develops from mitotic division of a primary spermatocyte.

Explanation

A secondary spermatocyte is formed through the process of meiotic division of a primary spermatocyte. Meiosis is a type of cell division that results in the formation of cells with half the number of chromosomes as the parent cell. In the case of spermatogenesis, primary spermatocytes undergo the first meiotic division to produce two secondary spermatocytes. These secondary spermatocytes will then undergo the second meiotic division to form spermatids, which will eventually mature into sperm cells. Therefore, the correct answer is secondary spermatocyte.

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8. The Penile body contains 3 cylindrical structures?

Explanation

The penile body contains three cylindrical structures known as the corpora cavernosa and the corpus spongiosum. The corpora cavernosa are located on the upper side of the penis and are responsible for the majority of the erectile tissue. The corpus spongiosum is located on the underside of the penis and surrounds the urethra. These structures fill with blood during arousal, causing the penis to become erect. Therefore, the statement "The Penile body contains 3 cylindrical structures" is true.

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9. The distal end of the corpus spongiosum is known as what?

Explanation

The distal end of the corpus spongiosum is known as the glans penis. The glans penis is the rounded, bulbous structure located at the tip of the penis. It is highly sensitive and plays a crucial role in sexual stimulation.

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10. Where are Leydig cells located?

Explanation

Leydig cells are located between the seminiferous tubules in the testes. These cells are responsible for producing testosterone, a hormone that plays a crucial role in male sexual development and function. By being situated between the seminiferous tubules, Leydig cells are strategically positioned to support and regulate the process of spermatogenesis, which occurs within the tubules.

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11. Is the seminal fluid acidic or alkaline?

Explanation

Seminal fluid is alkaline in nature. This is because it needs to neutralize the acidic environment of the vagina to enhance the survival and motility of sperm. The alkaline pH helps to protect the sperm from the acidic conditions and allows them to travel through the female reproductive tract more effectively, increasing the chances of fertilization.

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12. How many chromosomes are in a secondary spermatocyte?

Explanation

A secondary spermatocyte is a cell that is formed during spermatogenesis, the process of sperm cell development. It is produced through the first meiotic division of a primary spermatocyte. During this division, the primary spermatocyte undergoes chromosome duplication and then separates into two secondary spermatocytes. Each secondary spermatocyte contains half the number of chromosomes as the original cell. Since humans have 46 chromosomes in total, a secondary spermatocyte would have 23 chromosomes.

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13. The three structures of the penile body are divided into two types.
 

Explanation

The statement is true because the penile body is indeed divided into three structures, which are the two corpora cavernosa and the corpus spongiosum. The corpora cavernosa are two cylindrical bodies located on the upper side of the penis, while the corpus spongiosum is a single structure that surrounds the urethra on the underside of the penis. These structures play a crucial role in the process of erection and are responsible for the rigidity and enlargement of the penis during sexual arousal.

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14. Spermatocytes turn into

Explanation

Spermatocytes are the cells in the testes that undergo meiosis to produce spermatids. Spermatids are immature sperm cells that still need to undergo further maturation before they can fertilize an egg. Therefore, the correct answer is spermatids.

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15. The cowper's gland is also called?

Explanation

The correct answer is bulbourethral gland. The Cowper's gland, also known as the bulbourethral gland, is a small gland located at the base of the penis in males. Its main function is to secrete a clear fluid that helps to lubricate and neutralize the acidity of the urethra, providing a suitable environment for sperm to pass through during ejaculation. The prostate gland, on the other hand, is a different gland located near the bladder that produces seminal fluid. The testis gland refers to the testes, which are responsible for producing sperm and testosterone.

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16. Leydig cells secrete what?

Explanation

Leydig cells are located in the testes and their main function is to produce and secrete testosterone. Testosterone is a male sex hormone that plays a crucial role in the development and maintenance of male reproductive tissues, including the testes and prostate. It also promotes secondary sexual characteristics such as muscle growth, facial and body hair, and deepening of the voice. Therefore, it is correct to say that Leydig cells secrete testosterone.

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17. Prostaglandins serve what purpose?

Explanation

Prostaglandins are hormone-like substances that play a crucial role in various physiological processes. In the context of sperm, prostaglandins are known to contribute to their motility and viability. They help in the movement of sperm through the female reproductive tract, increasing the chances of successful fertilization. Additionally, prostaglandins also aid in regulating the female reproductive system by enhancing secretions that are necessary for fertilization and implantation to occur. Therefore, prostaglandins serve the purpose of facilitating sperm function and supporting the reproductive process.

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18. Spermatogonia is?

Explanation

Spermatogonia refers to the most primitive form of germ cells in males. These cells remain dormant until puberty, when they begin the process of spermatogenesis, leading to the production of sperm. This explanation clarifies that spermatogonia are not the least primitive form of germ cells and are not related to kidney evolution.

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19. Is a system of blood vessels that provide nourishment to seminiferous tubules and interstitial cells

Explanation

The tunica vasculosa is a system of blood vessels that provides nourishment to the seminiferous tubules and interstitial cells. It is responsible for delivering oxygen and nutrients to these structures, allowing them to function properly. Without the tunica vasculosa, the seminiferous tubules and interstitial cells would not receive the necessary nourishment, leading to impaired reproductive function.

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20. Process of maturation of spermatogonia into a spermatozoon

Explanation

Spermiogenesis is the process of maturation of spermatogonia into a spermatozoon. It involves the transformation of spermatids into spermatozoa, which includes the development of the acrosome, condensation of the nucleus, formation of the flagellum, and elimination of excess cytoplasm. Spermiogenesis is the final step in spermatogenesis, where the spermatids undergo significant structural changes to become fully mature and functional spermatozoa capable of fertilizing an egg.

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21. Is a white fibrous structure covering the testicle, divides the testes into 200-300 lobules containing seminiferous tubules

Explanation

The correct answer is tunica albuginea. The tunica albuginea is a white fibrous structure that covers the testicle and divides it into lobules. These lobules contain seminiferous tubules, which are responsible for the production of sperm. The tunica albuginea provides support and protection to the testicle, and it also helps to maintain the shape and structure of the testes.

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22. The three structures of the penile body are all erectile tissue?

Explanation

The penile body consists of three structures known as the corpora cavernosa and the corpus spongiosum. These structures are made up of erectile tissue, which allows the penis to become erect during sexual arousal. Therefore, it is correct to say that all three structures of the penile body are erectile tissue.

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23. What secretes a mucus to lubricate the lining of the urethra

Explanation

The Cowper's gland secretes a mucus to lubricate the lining of the urethra. This gland, also known as the bulbourethral gland, is located below the prostate gland in males. Its main function is to produce a clear, viscous fluid that helps to neutralize any acidic urine residue in the urethra and provides lubrication during sexual arousal. This mucus secretion helps to protect the delicate tissues of the urethra and facilitates the passage of semen during ejaculation.

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24. What do spermatogenic cells do?

Explanation

Spermatogenic cells are responsible for producing sperm. These cells undergo a process called spermatogenesis, which involves the development and maturation of sperm cells. Through this process, spermatogenic cells produce and release mature sperm cells that are capable of fertilizing an egg during sexual reproduction. Therefore, the correct answer is "produce sperm."

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25. Sertoli cells are what?

Explanation

Sertoli cells are specialized cells found in the seminiferous tubules of the testes. They play a crucial role in the process of spermatogenesis, which is the production of sperm. Sertoli cells provide physical support and nourishment to developing sperm cells, known as spermatids. They also regulate the environment within the seminiferous tubules, ensuring the proper development and maturation of sperm cells. Therefore, the correct answer is "cells in the seminiferous tubules that nurture maturing spermatids."

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26. Develops from a spermatogonea cell in the seminiferous tubule

Explanation

A primary spermatocyte is the correct answer because it develops from a spermatogonia cell in the seminiferous tubule. Spermatogonia are the stem cells that give rise to sperm cells through a process called spermatogenesis. The primary spermatocyte is the first stage of sperm cell development and undergoes meiosis to produce two secondary spermatocytes. These secondary spermatocytes will then undergo further division to eventually form mature sperm cells.

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27. Convoluted pouch like structure laying posterior to the base of the urinary bladder and anterior to the rectum is?

Explanation

The correct answer is seminal vesicles. The seminal vesicles are convoluted pouch-like structures that are located posterior to the base of the urinary bladder and anterior to the rectum. These structures play a crucial role in the production and storage of seminal fluid, which is an important component of semen.

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28. The terminal slit at the end of the glans penis is known as?

Explanation

The terminal slit at the end of the glans penis is known as the external urethral orifice. This is the opening through which urine and semen are expelled from the body during urination and ejaculation.

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29. What do sertoli cells do?

Explanation

Sertoli cells are specialized cells found in the testes that play a crucial role in supporting the development and maturation of sperm cells. They provide nourishment to the developing germ cells by supplying them with essential nutrients and removing waste products. This nourishment is essential for the proper growth and maturation of sperm cells, ensuring their viability and functionality. Sertoli cells also create a protective environment for the developing germ cells and help in regulating the process of spermatogenesis. Therefore, their main function is to provide nourishment and support for the maturing germ cells.

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30. Located at the base of the bladder and surrounds the prostatic urethra

Explanation

The correct answer is Prostate. The prostate is a gland located at the base of the bladder and surrounds the prostatic urethra. It is an important part of the male reproductive system and plays a role in the production of semen.

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31. What are the functions of the penis?

Explanation

The penis serves multiple functions. It acts as a passageway for semen during ejaculation, allowing the sperm to be transported from the testes to the female reproductive system. Additionally, it is involved in the excretion of urine, allowing the elimination of waste products from the body. Furthermore, the penis is a sexual organ, playing a crucial role in sexual arousal, intercourse, and reproduction.

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32. The comma shaped structure attached to the posterior border of each testis is?

Explanation

The comma-shaped structure attached to the posterior border of each testis is the epididymis. The epididymis is responsible for storing and maturing sperm cells before they are transported to the vas deferens for ejaculation. It plays a crucial role in the reproductive system by providing a suitable environment for sperm to develop and gain motility.

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33. Germ cells undergo maturation first to primary and then to secondary?

Explanation

Germ cells undergo maturation first to primary and then to secondary spermatocytes. This process occurs during spermatogenesis, the process of sperm cell development. Spermatocytes are the intermediate stage between germ cells and spermatids. After maturation, secondary spermatocytes further divide to form spermatids, which eventually develop into fully mature sperm cells. Therefore, spermatocytes are the correct answer as they are the stage that follows the maturation of germ cells.

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34. Prostate secretions make up ___ of the semen volume

Explanation

Prostate secretions make up 25% of the semen volume. These secretions are produced by the prostate gland, which is located near the bladder. When a man ejaculates, the prostate gland releases its secretions into the semen. These secretions contain enzymes, proteins, and other substances that help nourish and protect the sperm. The remaining semen volume is made up of sperm cells produced by the testes and fluid from the seminal vesicles and bulbourethral glands.

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35. The Functional unit of the testes is?

Explanation

The seminiferous tubules are the functional units of the testes. These tubules are responsible for the production of sperm through a process called spermatogenesis. They are lined with specialized cells called Sertoli cells, which support and nourish the developing sperm cells. The seminiferous tubules also contain Leydig cells, which produce testosterone, a hormone essential for the development and maintenance of male reproductive organs and secondary sexual characteristics. Therefore, the seminiferous tubules play a crucial role in the production of sperm and the regulation of male reproductive functions.

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36. What is the foreskin/prepuce formed from?

Explanation

The foreskin, also known as the prepuce, is formed from the penile skin. It is a retractable fold of skin that covers the head of the penis in males. The penile skin extends to form the foreskin, providing protection and sensitivity to the glans penis. The clitoris, on the other hand, is a female sexual organ and is not related to the formation of the foreskin.

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37. The Corpus spongiosum houses what?

Explanation

The corpus spongiosum is a spongy tissue that surrounds the urethra in the penis. It helps to maintain the urethra open during erection and allows the passage of urine and semen through the urethra. Therefore, the correct answer is urethra.

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38. A single doughnut shaped gland about the size of a golf ball

Explanation

The correct answer is prostate. The prostate is a doughnut-shaped gland that is about the size of a golf ball. It is located below the bladder and surrounds the urethra. The prostate gland produces a fluid that helps nourish and transport sperm. It is an important part of the male reproductive system.

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39. What is testosterone?

Explanation

Testosterone is a hormone that is produced by the testes and it plays a crucial role in spermiogenesis, which is the process of sperm cell development. Additionally, testosterone is responsible for the development of secondary male characteristics such as deepening of the voice, growth of facial and body hair, and increased muscle mass. Therefore, the correct answer is "Hormone produced by the testis that affects spermiogenesis and secondary male characteristics."

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40. The Corpus Spongiosum is two of these parts (see prior question)

Explanation

The Corpus Spongiosum is not two parts, but rather one part of the male reproductive system. It is a spongy tissue that surrounds the urethra and helps to maintain the rigidity of the penis during an erection.

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41. Forms a fibrous sac encasing the testis?

Explanation

The tunica vaginalis is a serous membrane that covers the testis and forms a fibrous sac around it. It helps to protect and support the testis. The tunica albuginea, on the other hand, is a dense fibrous capsule that lies beneath the tunica vaginalis and provides structural support to the testis. However, it does not form a fibrous sac encasing the testis like the tunica vaginalis does. Therefore, the correct answer is Tunica vaginalis.

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42. Why do the veins constrict?

Explanation

The veins constrict in order to slow down the outflow of blood. This constriction helps in maintaining blood pressure and preventing excessive blood loss. When the veins constrict, the diameter of the blood vessels decreases, which reduces the volume of blood flowing out of them. This mechanism is particularly important in situations where the body needs to conserve blood, such as during injury or hemorrhage. By slowing down the outflow of blood, the veins assist in maintaining a stable circulation and preventing hypovolemia.

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43. Hormone produced in the pituitary gland which contributes to testosterone production

Explanation

LH, or luteinizing hormone, is produced in the pituitary gland and plays a crucial role in testosterone production. LH stimulates the Leydig cells in the testes to produce testosterone. Therefore, LH is the hormone that contributes to testosterone production.

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44. What dilates, and what constricts during a erection?

Explanation

During an erection, the penile arteries dilate, meaning they expand in diameter to allow more blood flow into the penis. This increased blood flow is essential for achieving and maintaining an erection. On the other hand, the veins in the penis constrict, meaning they narrow, to prevent blood from leaving the penis too quickly. This combination of dilated arteries and constricted veins helps to trap blood in the penis, resulting in a firm erection.

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45. Fructose prostaglandins and clotting proteins make up what fluid?

Explanation

Seminal fluid is composed of various substances, including fructose, prostaglandins, and clotting proteins. Fructose provides energy for sperm, prostaglandins help with sperm motility and uterine contractions, and clotting proteins aid in the coagulation of semen after ejaculation. Therefore, these components are all present in seminal fluid.

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46. A cylindrical organ that is attached to the perineum by what?

Explanation

The correct answer is Bucks fascia and suspensory ligament. The question is asking about the attachment of a cylindrical organ to the perineum. Bucks fascia and suspensory ligament are the structures that attach the organ to the perineum.

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47. What is the tissue surrounding the body of the penis?

Explanation

The correct answer is tunica albuginea. The tunica albuginea is a tough, fibrous tissue that surrounds the body of the penis. It helps to maintain the shape and rigidity of the penis during an erection. The tunica albuginea is responsible for trapping blood within the erectile tissues of the penis, allowing for the maintenance of an erection.

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48. Which testis is often lower?

Explanation

The left testis is often lower because of anatomical differences. The left testis usually descends lower than the right testis during fetal development. This is due to the position of the left testicular vein, which is longer and enters the left renal vein at a higher point. As a result, the left testis is pulled downwards, causing it to be lower than the right testis in most individuals.

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49. A small pedunculated body located on the upper pole of the testes

Explanation

The correct answer is appendix testis. The appendix testis is a small pedunculated body located on the upper pole of the testes. It is a vestigial structure that is derived from the Mullerian duct and is present in some males. It is believed to have no significant function and is often mistaken for a testicular tumor.

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50. What does the dartos muscle do?

Explanation

The dartos muscle is responsible for both contracting and wrinkling the skin of the scrotum and elevating the testis. When the muscle contracts, it causes the skin of the scrotum to wrinkle, which helps regulate the temperature of the testes by adjusting their proximity to the body. Additionally, the contraction of the dartos muscle aids in elevating the testis, which helps protect them from injury and allows for proper sperm production. Therefore, the correct answer is a and b.

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51. The functional unit of the testes constitutes approximately___ of the testicular mass

Explanation

The functional unit of the testes refers to the seminiferous tubules, where sperm production occurs. These tubules make up the majority of the testicular mass. Since the question asks for the approximate percentage, the correct answer of 75% indicates that the seminiferous tubules constitute a significant portion of the testes.

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52. Seminal vesicles fluid secretion constitutes about___ of semen volume

Explanation

The seminal vesicles are responsible for producing a significant portion of the fluid that makes up semen. This fluid contains various substances that nourish and protect sperm, such as fructose, prostaglandins, and enzymes. Since the seminal vesicles contribute a large amount of fluid to semen, it is reasonable to conclude that their secretion constitutes approximately 60% of the total semen volume.

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53. These two types of erectile tissue are?

Explanation

The correct answer is 1 Corpus spongiosum and 2 corpora cavernosa. The corpus spongiosum is a single erectile tissue that surrounds the urethra and helps to maintain its patency during erection. The corpora cavernosa, on the other hand, are two erectile tissues that run along the length of the penis and are responsible for the majority of penile rigidity during erection.

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54. What is the Raphe?

Explanation

The raphe is a line that marks the separation of the two hemiscrotums. This line is present in males and is formed during embryonic development. It is a visible ridge that extends from the anus to the underside of the penis, dividing the scrotum into two halves. The raphe is a normal anatomical feature and does not cause any health issues.

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55. Functions of the scrotum are which of the following?

Explanation

The scrotum functions to provide housing and support for the testes, as well as to house the spermatic cord and epididymis. It also plays a role in regulating the temperature of the testes, which is important for sperm production and overall reproductive function.

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56. Secretes alkaline fluid to neutralize the acid from urine.

Explanation

The Cowper's gland secretes an alkaline fluid that helps to neutralize the acidic nature of urine. This gland is also known as the bulbourethral gland and is found in males. Its secretions are released during sexual arousal and serve to lubricate the urethra, making it easier for sperm to pass through. The alkaline nature of the fluid helps to neutralize any acidic urine that may be present, creating a more favorable environment for sperm survival.

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57. An immature spermatozoon produced by meiotic division of a secondary spermatocyte

Explanation

Spermatids are immature spermatozoa that are produced through meiotic division of a secondary spermatocyte. They are the result of the first stage of spermiogenesis, which involves the transformation of round spermatids into elongated sperm cells. Spermatids contain half the number of chromosomes as the parent cell and undergo further maturation to become fully functional spermatozoa capable of fertilization.

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58. What is significantly enlarged during tumescence?

Explanation

During tumescence, both corpora cavernosa are significantly enlarged. The corpora cavernosa are two cylindrical structures located within the penis that fill with blood during an erection, causing the penis to become larger and firmer. This enlargement is essential for sexual arousal and intercourse.

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59. The Scrotal sac is divided by a septum called the scrotal septum and it is composed of what?

Explanation

The scrotal sac is divided by a septum called the scrotal septum, and it is composed of the dartos muscle. The dartos muscle is a layer of smooth muscle fibers that surrounds the scrotum and helps regulate the temperature of the testicles by contracting and relaxing. It also aids in the movement and positioning of the testicles. The dartos fascia and scrotal tissue are also present in the scrotal sac, but they do not specifically divide the sac like the dartos muscle does. The raphe is a line of tissue that runs along the scrotum, but it does not divide the sac either.

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60. How many chromosomes are in a primary spermatocyte?

Explanation

A primary spermatocyte is a diploid cell that undergoes meiosis to produce haploid sperm cells. In humans, a diploid cell contains 46 chromosomes, which are organized into 23 pairs. During meiosis, the primary spermatocyte undergoes two divisions, resulting in the production of four haploid cells, each containing 23 chromosomes. Therefore, the correct answer is 46 chromosomes.

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61. The purpose of the male genitalia organ system is to?

Explanation

The male genitalia organ system serves multiple purposes. It is responsible for the production of sperm, which is essential for reproduction. Additionally, it produces seminal fluid that nourishes and protects the sperm during ejaculation. The system also plays a role in transporting the sperm and the seminal fluid through the reproductive tract during sexual intercourse. Therefore, the correct answer is "Produce, nourish, and transport."

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62. How wide is a testis?

Explanation

The width of a testis is typically around 2.5cm.

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63. Hormone produced in the pituitary gland which stimulates testosterone production

Explanation

FSH, or follicle-stimulating hormone, is the hormone produced in the pituitary gland that stimulates testosterone production. It is responsible for promoting the growth and development of the testes and the production of sperm cells. FSH acts on the Sertoli cells in the testes, which in turn stimulate the production of testosterone by the Leydig cells. Therefore, FSH plays a crucial role in regulating testosterone levels in the body.

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64. What two types of cells does the functional unit have?

Explanation

The functional unit referred to in the question is most likely the seminiferous tubule, which is the site of sperm production in the testes. Sertoli cells are essential for supporting and nourishing the developing sperm cells, while spermatogenic cells are the cells that undergo meiosis and differentiation to form mature sperm cells. Therefore, both Sertoli cells and spermatogenic cells are present in the functional unit of the seminiferous tubule. Epidermal cells are not involved in sperm production and spermatids are the immediate precursors to sperm cells, not distinct cell types.

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65. What makes up the structures of the male genitalia?

Explanation

The male genitalia are composed of various structures that play different roles in reproduction and sexual function. The penis is the external organ responsible for sexual intercourse and urination. The scrotum is a pouch of skin that holds and protects the testes, which produce sperm and male sex hormones. The prostate gland is a walnut-sized gland that produces fluid that nourishes and protects sperm. The spermatic cord is a structure that contains blood vessels, nerves, and the vas deferens, which carries sperm from the testes to the urethra. The seminal vesicles produce seminal fluid that mixes with sperm to form semen, and the ejaculatory ducts transport semen from the seminal vesicles to the urethra.

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66. How long is a testis?

Explanation

The testis is an organ found in the male reproductive system. It is responsible for producing sperm and hormones. The average size of a testis is around 5cm. This size can vary slightly among individuals, but 5cm is a generally accepted measurement.

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67. Consisting of the following parts is what? vas deferens, testicular artery, autonomic nerves, veins that drain the testes and carry testosterone into circulation, lymphatic vessels and the cremaster muscle

Explanation

The spermatic cord is a structure consisting of various parts including the vas deferens, testicular artery, autonomic nerves, veins that drain the testes and carry testosterone into circulation, lymphatic vessels, and the cremaster muscle. It is responsible for connecting the testes to the rest of the reproductive system in males.

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68. What covers the glans penis?

Explanation

The correct answer is foreskin, prepuce. The foreskin, also known as the prepuce, covers the glans penis. It is a retractable fold of skin that protects and covers the sensitive head of the penis. It serves to keep the glans moist, provide protection, and enhance sexual pleasure.

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69. What is an emission?

Explanation

The correct answer is "a small discharge of semen, may happen at night". This refers to the release of a small amount of semen, which can occur during ejaculation or nocturnal emissions (also known as "wet dreams"). It is a normal physiological process that can happen to males during puberty and adulthood.

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70. The margin of the Glans penis is called what?

Explanation

The margin of the Glans penis is called the corona. The corona refers to the rounded ridge or edge that separates the glans from the shaft of the penis. It is a distinct anatomical feature that can be easily observed.

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71. Epididymis provides for?

Explanation

The epididymis is a coiled tube located on the back of each testicle that serves multiple functions. It is responsible for the maturation of sperm, allowing them to become fully motile and capable of fertilization. The epididymis also acts as a storage site for sperm, where they can be stored for several weeks until ejaculation occurs. In addition, the epididymis aids in the transportation of sperm, helping to propel them from the testicles to the vas deferens during ejaculation.

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72. What causes an emission?

Explanation

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73. Which of the following is a primary function of the prostate gland?

Explanation

The primary function of the prostate gland is to secrete a milky, slightly alkaline fluid that is part of the semen. This fluid helps to enhance sperm motility and viability by neutralizing the acidic environment of the vaginal tract. The other options, such as producing testosterone, storing sperm, and producing insulin, are functions of other organs or glands in the body.

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74. Cells located in the seminiferous tubular wall that develop into spermatozoa

Explanation

Spermatogonid cells are located in the seminiferous tubular wall and they are responsible for developing into spermatozoa. They undergo a process called spermatogenesis, where they divide and differentiate into spermatocytes, which then further develop into spermatozoa through a process called spermiogenesis. Spermatogonid cells are the initial cells in the process of sperm production and play a crucial role in the formation of mature sperm cells.

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75. The precursor to a mature spermatozoon

Explanation

A spermatocyte is the precursor to a mature spermatozoon. Spermatocytes are diploid cells that undergo meiosis to produce haploid spermatids. These spermatids then undergo further maturation to form spermatozoa, or mature sperm cells. Therefore, spermatocytes are the correct answer as they are the immediate precursors to spermatozoa.

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76. Why is the seminal fluid alkaline based?

Explanation

Seminal fluid is alkaline-based in order to neutralize the acidic environment of both the male urethra and the female vagina. The male urethra naturally has an acidic environment, and the alkaline nature of the seminal fluid helps to balance the pH levels, creating a more favorable environment for sperm survival and movement. Similarly, the female vagina is also naturally acidic, and the alkaline nature of the seminal fluid helps to neutralize the acidity, providing a more suitable environment for sperm to travel and fertilize the egg.

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77. Mature sperm cell

Explanation

The correct answer is "Spermatozoon". A spermatozoon is a mature sperm cell that is capable of fertilizing an egg. It is the final stage of sperm development, following the differentiation of spermatogonia into spermatocytes and then spermatids. Spermatozoa are specialized cells with a distinct head containing genetic material, a mid-piece with mitochondria for energy production, and a tail for motility. They are produced in the testes through a process called spermatogenesis and are released during ejaculation to swim towards the egg for fertilization.

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78. What is the Vas deferens?

Explanation

The Vas deferens is a tube that connects the epididymis (where sperm is stored and matures) to the ejaculation duct. It is responsible for transporting sperm from the testis to the urethra during ejaculation. Additionally, the Vas deferens also has the ability to store sperm for a certain period of time before ejaculation occurs.

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79. What lobes make up the prostate?

Explanation

The prostate is made up of the left lateral and right lateral lobes, as well as the anterior, posterior, and median lobes. The left lateral and right lateral lobes are located on the sides of the prostate, while the anterior and posterior lobes are positioned at the front and back of the gland. The median lobe is located in the middle of the prostate.

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Can Emissions happen while you sleep?
LH stands for?
FSH is also known as?
The Corpus spongiosum exists to hold the urethra open, why?
The two functions of the testicles are?
Spermatids turn into?
Develops from mitotic division of a primary spermatocyte.
The Penile body contains 3 cylindrical structures?
The distal end of the corpus spongiosum is known as what?
Where are Leydig cells located?
Is the seminal fluid acidic or alkaline?
How many chromosomes are in a secondary spermatocyte?
The three structures of the penile body are divided into two types....
Spermatocytes turn into
The cowper's gland is also called?
Leydig cells secrete what?
Prostaglandins serve what purpose?
Spermatogonia is?
Is a system of blood vessels that provide nourishment to seminiferous...
Process of maturation of spermatogonia into a spermatozoon
Is a white fibrous structure covering the testicle, divides the testes...
The three structures of the penile body are all erectile tissue?
What secretes a mucus to lubricate the lining of the urethra
What do spermatogenic cells do?
Sertoli cells are what?
Develops from a spermatogonea cell in the seminiferous tubule
Convoluted pouch like structure laying posterior to the base of the...
The terminal slit at the end of the glans penis is known as?
What do sertoli cells do?
Located at the base of the bladder and surrounds the prostatic urethra
What are the functions of the penis?
The comma shaped structure attached to the posterior border of each...
Germ cells undergo maturation first to primary and then to secondary?
Prostate secretions make up ___ of the semen volume
The Functional unit of the testes is?
What is the foreskin/prepuce formed from?
The Corpus spongiosum houses what?
A single doughnut shaped gland about the size of a golf ball
What is testosterone?
The Corpus Spongiosum is two of these parts (see prior question)
Forms a fibrous sac encasing the testis?
Why do the veins constrict?
Hormone produced in the pituitary gland which contributes to...
What dilates, and what constricts during a erection?
Fructose prostaglandins and clotting proteins make up what fluid?
A cylindrical organ that is attached to the perineum by what?
What is the tissue surrounding the body of the penis?
Which testis is often lower?
A small pedunculated body located on the upper pole of the testes
What does the dartos muscle do?
The functional unit of the testes constitutes approximately___ of the...
Seminal vesicles fluid secretion constitutes about___ of semen volume
These two types of erectile tissue are?
What is the Raphe?
Functions of the scrotum are which of the following?
Secretes alkaline fluid to neutralize the acid from urine.
An immature spermatozoon produced by meiotic division of a secondary...
What is significantly enlarged during tumescence?
The Scrotal sac is divided by a septum called the scrotal septum and...
How many chromosomes are in a primary spermatocyte?
The purpose of the male genitalia organ system is to?
How wide is a testis?
Hormone produced in the pituitary gland which stimulates testosterone...
What two types of cells does the functional unit have?
What makes up the structures of the male genitalia?
How long is a testis?
Consisting of the following parts is what? vas deferens, testicular ...
What covers the glans penis?
What is an emission?
The margin of the Glans penis is called what?
Epididymis provides for?
What causes an emission?
Which of the following is a primary function of the prostate gland?
Cells located in the seminiferous tubular wall that develop into...
The precursor to a mature spermatozoon
Why is the seminal fluid alkaline based?
Mature sperm cell
What is the Vas deferens?
What lobes make up the prostate?
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