Male Reproductive System 2

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Anatomy Quizzes & Trivia
About This Quiz

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 understand their roles in reproduction. Ideal for students and individuals interested in health sciences.

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  • 2. 

    LH stands for?

    • Luteinizing hormone

    • Lean hormone

    • Lisper hormone

    Correct Answer
    A. Luteinizing hormone
    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?

    • Follicle stimulating hormone

    • Follicle sperm hormone

    • False spermatid hormone

    Correct Answer
    A. Follicle stimulating hormone
    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?

    • To allow proper ejaculation

    • To look cool

    • To enhance the feeling for the female during sex

    Correct Answer
    A. To allow proper ejaculation
    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?

    • Production of sperm and testosterone

    • Production of sperm and testoseoerone

    • Transportation of sperm to the vagina

    Correct Answer
    A. Production of sperm and testosterone
    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?

    • Mature sperm

    • Stones

    • Spermatila

    Correct Answer
    A. Mature sperm
    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. 

    The Penile body contains 3 cylindrical structures?

    • True

    • False

    Correct Answer
    A. True
    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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  • 8. 

    Where are Leydig cells located?

    • Between the seminiferous tubules

    • Between the testis

    • On top of the testes

    Correct Answer
    A. Between the seminiferous tubules
    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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  • 9. 

    Develops from mitotic division of a primary spermatocyte.

    • Secondary spermatocyte

    • Primary spermatocyte

    Correct Answer
    A. Secondary 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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  • 10. 

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

    • Gand penis

    • Glans penis

    • The helmet

    • Buck's helm

    Correct Answer
    A. Glans penis
    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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  • 11. 

    Is the seminal fluid acidic or alkaline?

    • Acidic

    • Alkaline

    Correct Answer
    A. 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?

    • 23 chromosomes

    • 46 chromosomes

    Correct Answer
    A. 23 chromosomes
    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. 

    Spermatocytes turn into

    • Spermatids

    • Sperm

    • Ureter

    Correct Answer
    A. Spermatids
    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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  • 14. 

    Prostaglandins serve what purpose?

    • Contributes to sperm motility and viability

    • Enhances female secretions

    Correct Answer
    A. Contributes to sperm motility and viability
    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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  • 15. 

    The cowper's gland is also called?

    • Bulbourethral gland

    • Prostate gland

    • Testis gland

    Correct Answer
    A. Bulbourethral gland
    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. 

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

    • True

    • False

    Correct Answer
    A. True
    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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  • 17. 

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

    • Tunica vasculosa

    • Tunica vaginalis

    • Tunica albuginea

    Correct Answer
    A. Tunica vasculosa
    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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  • 18. 

    Spermatogonia is?

    • The most primitive form of germ cell, lying dormant until puberty

    • The least primitive form of germ cell, lying dormant until puberty

    • A cool cell that evolved from a kidney

    Correct Answer
    A. The most primitive form of germ cell, lying dormant until puberty
    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. 

    Leydig cells secrete what?

    • Sperm

    • Testosterone

    • Deferens

    • LAH

    Correct Answer
    A. Testosterone
    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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  • 20. 

    Process of maturation of spermatogonia into a spermatozoon

    • Spermatogonid

    • Sermatozoon

    • Spermatocyte

    • Spermiogenesis

    Correct Answer
    A. Spermiogenesis
    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. 

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

    • True

    • False

    Correct Answer
    A. True
    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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  • 22. 

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

    • Tunica vaginalis

    • Tunica albuginea

    Correct Answer
    A. Tunica albuginea
    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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  • 23. 

    What secretes a mucus to lubricate the lining of the urethra

    • Seminal fluid

    • Seminal vesicles

    • Cowper's gland

    Correct Answer
    A. Cowper's gland
    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 are the functions of the penis?

    • Passageway for semen

    • Excretion of urine

    • Sexual organ

    • A passageway for sertoli

    Correct Answer(s)
    A. Passageway for semen
    A. Excretion of urine
    A. Sexual organ
    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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  • 25. 

    What do spermatogenic cells do?

    • Produce testosterone

    • Produce smegma

    • Produce sperm

    Correct Answer
    A. Produce sperm
    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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  • 26. 

    Sertoli cells are what?

    • Cells in the vas deferens

    • Cells in the seminiferous tubules that nurture maturing spermatids

    • Cells in the seminiferous tubules that feed maturing spermatids

    Correct Answer
    A. Cells in the seminiferous tubules that nurture maturing spermatids
    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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  • 27. 

    Develops from a spermatogonea cell in the seminiferous tubule

    • Secondary spermatocyte

    • Primary spermatocyte

    Correct Answer
    A. Primary spermatocyte
    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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  • 28. 

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

    • External urethral orifice

    • Distal urethra

    • The opening of hiss

    Correct Answer
    A. External urethral orifice
    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?

    • Provide nourishment for the maturing germ cells

    • Manufacture sperm

    • Produce semen

    • Produce testosterone

    Correct Answer
    A. Provide nourishment for the maturing germ cells
    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. 

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

    • Vas deferens

    • Epididymis

    • Ejaculatory duct

    Correct Answer
    A. Epididymis
    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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  • 31. 

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

    • Seminal vesicles

    • Turners pouch

    • Bladder hook pouch

    Correct Answer
    A. Seminal vesicles
    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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  • 32. 

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

    • Spermatocytes

    • Spermatids

    • Sperm cells

    Correct Answer
    A. Spermatocytes
    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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  • 33. 

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

    • Prostate

    • Cowper's gland

    • FSH

    Correct Answer
    A. Prostate
    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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  • 34. 

    Prostate secretions make up ___ of the semen volume

    • 5%

    • 25%

    • 50%

    • 10%

    Correct Answer
    A. 25%
    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?

    • Spermatogonia

    • Seminiferous tubules

    • Vater uslar

    Correct Answer
    A. Seminiferous tubules
    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. 

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

    Correct Answer
    prostate
    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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  • 37. 

    What is the foreskin/prepuce formed from?

    • The penile skin

    • The glans penis

    • The clitorus

    Correct Answer
    A. The penile skin
    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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  • 38. 

    Why do the veins constrict?

    • To slow blood inflow

    • To speed blood outflow

    • To slow blood outflow

    Correct Answer
    A. To slow blood outflow
    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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  • 39. 

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

    • True

    • False

    Correct Answer
    A. False
    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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  • 40. 

    The Corpus spongiosum houses what?

    • Ureter

    • Urethra

    • Ejaculation ducts

    Correct Answer
    A. Urethra
    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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  • 41. 

    Forms a fibrous sac encasing the testis?

    • Tunica vaginalis

    • Tunica albuginea

    Correct Answer
    A. Tunica vaginalis
    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. 

    What is testosterone?

    • Hormone developed by the gonids that affects spermiogenesis and secondary male characteristics

    • Hormone produced by the testis that affects spermiogenesis and secondary male characteristics

    • Hormone produced by the testes that affects spermatogonid and secondary male characteristics

    • Hormone produced by the testes that affects spermiogenesis and secondary female characteristics

    Correct Answer
    A. Hormone produced by the testis that affects spermiogenesis and secondary male characteristics
    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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  • 43. 

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

    • Bucks fascia and suspensory ligament

    • Blue's fascia and suspensory ligament

    • A reflection of blue's fascia and suspensory ligament

    • The Corpus

    Correct Answer
    A. Bucks fascia and suspensory ligament
    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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  • 44. 

    Hormone produced in the pituitary gland which contributes to testosterone production

    • LH

    • THS

    • FSH

    Correct Answer
    A. LH
    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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  • 45. 

    What dilates, and what constricts during a erection?

    • Penile arteries, renal veins

    • Renal veins, penile arteries

    • Veins, arteries

    • Penile arteries, veins

    Correct Answer
    A. Penile arteries, veins
    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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  • 46. 

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

    • Appendix testis

    • Leydig cell mass

    • Spermozoa

    Correct Answer
    A. Appendix testis
    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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  • 47. 

    Fructose prostaglandins and clotting proteins make up what fluid?

    • Prostetic secretions

    • Bulbourethral secretion

    • Seminal fluid

    Correct Answer
    A. Seminal 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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  • 48. 

    What is the tissue surrounding the body of the penis?

    • Tunica vaginalis

    • Tunica albuginea

    • Tunica toonata

    • Tunica caveta

    Correct Answer
    A. Tunica albuginea
    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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  • 49. 

    What does the dartos muscle do?

    • Contracts and wrinkles the skin of the scrotum

    • Elevates the testis

    • A and b

    Correct Answer
    A. A and b
    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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  • Current Version
  • Jun 28, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 28, 2010
    Quiz Created by
    Spirit1flyer

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