Ob/GYN Midterm- Physiology Of The Female Pelvis

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  • 1/25 Questions

    On which day of the cycle does ovulation occur?

    • 1
    • 28
    • 5
    • 14
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About This Quiz

This OB\/GYN Midterm quiz focuses on the physiology of the female pelvis, exploring key aspects such as the menstrual cycle, hormone regulation, and ovulation. It assesses understanding of fundamental reproductive biology, crucial for medical students specializing in obstetrics and gynecology.

Ob/GYN Midterm- Physiology Of The Female Pelvis - Quiz

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  • 2. 

    True or False, FSH causes the development of multiple follicles on the ovaries?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    FSH (follicle-stimulating hormone) is a hormone secreted by the pituitary gland that plays a crucial role in the development and maturation of ovarian follicles. The follicles contain the eggs and are responsible for their growth and release during the menstrual cycle. FSH stimulates the growth and development of multiple follicles on the ovaries, increasing the chances of ovulation and fertility. Therefore, the statement "FSH causes the development of multiple follicles on the ovaries" is true.

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  • 3. 

    True or False, the ovarian cycle consists of the follicular and luteal phases?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The ovarian cycle consists of two phases: the follicular phase and the luteal phase. During the follicular phase, a follicle in the ovary matures and releases an egg. After ovulation, the luteal phase begins, during which the ruptured follicle transforms into a structure called the corpus luteum. The corpus luteum produces hormones that prepare the uterus for pregnancy. Therefore, the statement that the ovarian cycle consists of the follicular and luteal phases is true.

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  • 4. 

    Which of the following is true about the hypothalamus?

    • It is located within the brain

    • It regulates the release of hormones by the anterior pituitary gland

    • It releases its own hormone, gonadotropin-releasing hormone

    • All of the Above

    Correct Answer
    A. All of the Above
    Explanation
    The hypothalamus is a part of the brain that is responsible for regulating various functions in the body. It is located within the brain and plays a crucial role in controlling the release of hormones by the anterior pituitary gland. Additionally, the hypothalamus also releases its own hormone called gonadotropin-releasing hormone. Therefore, all of the above statements are true about the hypothalamus.

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  • 5. 

    True or False, the first menstrual cycle is termed menarche?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Menarche refers to the first occurrence of menstruation in females, typically around the age of 12-15. Therefore, the statement that the first menstrual cycle is termed menarche is true.

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  • 6. 

    What is said to be the first day of the menstrual cycle?

    • Ovulation

    • First day of bleeding

    • First day of endometrial thickening

    • Last day of bleeding

    Correct Answer
    A. First day of bleeding
    Explanation
    The first day of bleeding is considered to be the first day of the menstrual cycle. This is because the menstrual cycle begins with the shedding of the uterine lining, which results in bleeding. The first day of bleeding marks the start of a new cycle and is used as a reference point for tracking the length and regularity of the menstrual cycle.

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  • 7. 

    The anterior lobe of the pituitary gland is responsible for the release of two chief hormones that influence the menstrual cycle: ____ & ____.

    • Estrogen and Progesterone

    • Testosterone and Adrenaline

    • Follicle-stimulating hormone & Luteinizing hormone

    • Progesterone and luteinizing hormone

    Correct Answer
    A. Follicle-stimulating hormone & Luteinizing hormone
    Explanation
    The anterior lobe of the pituitary gland is responsible for the release of two chief hormones that influence the menstrual cycle: follicle-stimulating hormone (FSH) and luteinizing hormone (LH). FSH stimulates the growth and development of ovarian follicles in the ovary, while LH triggers ovulation and the release of an egg from the ovary. These hormones play a crucial role in regulating the menstrual cycle and fertility in women.

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  • 8. 

    LH surges around day ___ of the menstrual cycle.

    • 1

    • 28

    • 14

    • 21

    Correct Answer
    A. 14
    Explanation
    LH surges around day 14 of the menstrual cycle because this is the approximate time of ovulation. LH, or luteinizing hormone, is responsible for triggering the release of the mature egg from the ovary. Ovulation typically occurs around day 14 in a 28-day menstrual cycle, but it can vary slightly depending on the individual. This surge in LH is a crucial step in the reproductive process as it signals the prime time for fertilization to occur.

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  • 9. 

    Which of the following is the release of progesterone responsible for?

    • Maintaining the thickness of the endometrium

    • Preparing the endometrium for implantation

    • Stimulating uterine blood supply for pregnancy

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The release of progesterone is responsible for maintaining the thickness of the endometrium, preparing the endometrium for implantation, and stimulating uterine blood supply for pregnancy. Progesterone plays a crucial role in the menstrual cycle and pregnancy by promoting the growth and maintenance of the endometrium, which is necessary for successful implantation of a fertilized egg. It also helps to increase blood flow to the uterus, ensuring a healthy environment for the developing embryo. Therefore, all of the given options are correct.

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  • 10. 

    Which of the following is true of the secretory phase?

    • It occurs after ovulation

    • It is stimulated by progesterone

    • The thickness of the endometrium is maintained throughout this phase

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The secretory phase refers to the second half of the menstrual cycle, occurring after ovulation. During this phase, the endometrium (lining of the uterus) becomes thicker and more vascularized in preparation for potential implantation of a fertilized egg. This thickening and maintenance of the endometrium is stimulated by progesterone, which is produced by the corpus luteum after ovulation. Therefore, all of the given statements are true about the secretory phase.

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  • 11. 

    Which days of the menstrual cycle correlate with the luteal phase?

    • 1-14

    • 15-28

    • 1-5

    • 21-28

    Correct Answer
    A. 15-28
    Explanation
    The luteal phase of the menstrual cycle occurs after ovulation and lasts for approximately 14 days. This phase is characterized by an increase in progesterone levels and thickening of the uterine lining in preparation for potential pregnancy. Therefore, the days 15-28 of the menstrual cycle correlate with the luteal phase.

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  • 12. 

    True or False, the corpus luteum is a temporary endocrine gland?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The corpus luteum is a temporary endocrine gland that forms in the ovary after ovulation. It secretes hormones such as progesterone, which is necessary for the maintenance of pregnancy. If fertilization does not occur, the corpus luteum degenerates, leading to a decrease in hormone production and the shedding of the uterine lining during menstruation. Therefore, the statement "the corpus luteum is a temporary endocrine gland" is true.

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  • 13. 

    Which days of the menstrual cycle correlate with menses?

    • 1-5

    • 5-10

    • 10-14

    • 14-21

    Correct Answer
    A. 1-5
    Explanation
    Days 1-5 of the menstrual cycle correlate with menses because this is the typical duration of the menstrual bleeding phase. During this time, the lining of the uterus sheds, resulting in the release of blood and tissue through the vagina. This is commonly known as the period.

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  • 14. 

    The surge of which hormone results in ovulation?

    • LH

    • FSH

    • Estrogen

    • Progesterone

    Correct Answer
    A. LH
    Explanation
    LH, or luteinizing hormone, is responsible for triggering ovulation. It stimulates the release of an egg from the ovary during the menstrual cycle. This surge in LH hormone causes the follicle to rupture and release the mature egg, which can then be fertilized by sperm. The other hormones mentioned, FSH, estrogen, and progesterone, also play important roles in the menstrual cycle, but it is the surge of LH that specifically leads to ovulation.

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  • 15. 

    Which days of the menstrual cycle correlate with the follicular phase?

    • 1-5

    • 1-14

    • 14-21

    • 14-28

    Correct Answer
    A. 1-14
    Explanation
    The follicular phase of the menstrual cycle begins on the first day of menstruation and lasts until ovulation, which typically occurs around day 14. During this phase, the follicles in the ovaries mature and prepare to release an egg. Therefore, the days 1-14 of the menstrual cycle correlate with the follicular phase.

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  • 16. 

    True or False, the endometrium decreases in thickness throughout the proliferative phase?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The endometrium actually increases in thickness throughout the proliferative phase. This phase occurs during the menstrual cycle, after menstruation has ended. The endometrium thickens in response to estrogen, which is produced by the ovaries. This thickening is necessary to prepare the uterus for potential implantation of a fertilized egg. Therefore, the correct answer is False.

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  • 17. 

    Which of the following most accurately describes the "three line sign"?

    • The outer anechoic basal layer surrounds the more hyperechoic functional layer, while the functional layer is separated by the echogenic endometrial stripe

    • The outer echogenic basal layer surrounds the more hypoechoic functional layer, while the functional layer is separated by the echogenic endometrial stripe

    • The hypoechoic myometrium is surrounded by the more echogenic perimetrium

    • The hypoechoic myometrium surrounds the more hyperechoic endometrium

    Correct Answer
    A. The outer echogenic basal layer surrounds the more hypoechoic functional layer, while the functional layer is separated by the echogenic endometrial stripe
    Explanation
    The correct answer accurately describes the "three line sign" as the outer echogenic basal layer surrounding the more hypoechoic functional layer, while the functional layer is separated by the echogenic endometrial stripe. This description is in line with the typical appearance of the endometrium on ultrasound, where the three layers can be visualized and differentiated based on their echogenicity.

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  • 18. 

    The ovary produces two hormones during the menstrual cycle, ____ in the follicles and _____ in the corpus luteum.

    • FSH; LH

    • LH; FSH

    • Progesterone; estrogen

    • Estrogen; progesterone

    Correct Answer
    A. Estrogen; progesterone
    Explanation
    During the menstrual cycle, the ovary produces two hormones. Estrogen is produced in the follicles, which are small sacs within the ovary that contain the eggs. Estrogen plays a crucial role in the development and maturation of the egg. Progesterone is produced in the corpus luteum, which is formed from the remnants of the follicle after the egg is released. Progesterone prepares the uterus for possible implantation of a fertilized egg and helps maintain a pregnancy if it occurs.

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  • 19. 

    Which hormone is secreted during the follicular phase, initiating the follicular development of the ovary?

    • LH

    • Progesterone

    • FSH

    • Estrogen

    Correct Answer
    A. FSH
    Explanation
    During the follicular phase of the menstrual cycle, the hormone FSH (follicle-stimulating hormone) is secreted by the pituitary gland. FSH stimulates the growth and development of the ovarian follicles, which contain the eggs. This hormone plays a crucial role in initiating the follicular development of the ovary, preparing it for ovulation. LH (luteinizing hormone) is also secreted during this phase but is responsible for triggering ovulation, not follicular development. Progesterone and estrogen are hormones that are primarily secreted during the luteal phase of the menstrual cycle.

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  • 20. 

    True or False, where the patient is in their menstrual cycle has nothing to do with what we view sonographically?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement "where the patient is in their menstrual cycle has nothing to do with what we view sonographically" is false. The menstrual cycle can have an impact on the appearance of certain structures during a sonographic examination. For example, the thickness of the endometrium may vary depending on the menstrual phase. Additionally, the presence of certain ovarian cysts or follicles can provide valuable information about the stage of the menstrual cycle. Therefore, understanding the patient's menstrual cycle can be important in interpreting sonographic findings accurately.

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  • 21. 

    The endometrial cycle consists of the ___ and ___ phases

    • Early proliferative; late proliferative

    • Proliferative; secretory

    • Secretory; follicular

    • Proliferative; follicular

    Correct Answer
    A. Proliferative; secretory
    Explanation
    The endometrial cycle consists of two phases: the proliferative phase and the secretory phase. During the proliferative phase, the endometrium thickens and prepares for implantation of a fertilized egg. This phase is characterized by the growth and proliferation of endometrial cells. In the secretory phase, if fertilization does not occur, the endometrium prepares for shedding. The endometrial glands become more coiled and secrete substances to nourish a potential embryo. This phase is also known as the luteal phase.

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  • 22. 

    True or False, as ovulation nears, the dominant (Graafian) follicle moves towards the center of the ovary?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    As ovulation nears, the dominant (Graafian) follicle actually moves towards the surface of the ovary, not towards the center. This movement is known as follicular maturation and is a crucial step in the release of the mature egg during ovulation. The follicle grows and develops within the ovary until it reaches its maximum size, and then it ruptures, releasing the egg. Therefore, the statement that the dominant follicle moves towards the center of the ovary is false.

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  • 23. 

    In the early proliferative phase, the endometrium will appear ___ and ___.

    • Thick; anechoic

    • Thick; hypoechoic

    • Thin; echogenic

    • Thin; hypoechoic

    Correct Answer
    A. Thin; echogenic
    Explanation
    During the early proliferative phase, the endometrium undergoes changes in preparation for potential implantation of a fertilized egg. The endometrium becomes thinner as it sheds the previous menstrual lining and starts to regenerate. Additionally, it becomes more vascular and glandular, resulting in increased echogenicity. Therefore, the correct answer is "Thin; echogenic."

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  • 24. 

    Which of the following is estrogen responsible for?

    • The development of follicles in the ovaries

    • The development of reproductive organs and secondary sex characteristics

    • Maintaining the corpus luteum throughout the menstrual cycle

    • All of the above

    Correct Answer
    A. The development of reproductive organs and secondary sex characteristics
    Explanation
    Estrogen is responsible for the development of reproductive organs and secondary sex characteristics. It plays a crucial role in the growth and maturation of the female reproductive system, including the uterus, fallopian tubes, and vagina. Estrogen also promotes the development of secondary sex characteristics in females, such as breast development, widening of the hips, and the distribution of body fat. Additionally, estrogen helps in maintaining the corpus luteum throughout the menstrual cycle by stimulating the production of progesterone.

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  • 25. 

    Which correlation between endometrial phase and endometrial thickness is incorrect?

    • Early proliferative phase; 10-15 mm

    • Periovulatory phase (late proliferative phase); 6-10 mm

    • Early proliferative phase; 4-8 mm

    • Secretory phase; 7-14 mm

    Correct Answer
    A. Early proliferative phase; 10-15 mm
    Explanation
    The correct answer is "Early proliferative phase; 10-15 mm". This correlation is incorrect because during the early proliferative phase, the endometrial thickness is typically between 4-8 mm, not 10-15 mm. The endometrial thickness increases gradually throughout the proliferative phase, reaching its peak during the late proliferative phase (periovulatory phase), which is around 6-10 mm. Therefore, the given correlation does not align with the expected pattern of endometrial thickness during the early proliferative phase.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 07, 2020
    Quiz Created by
    Christine
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