Question 1

Which of the following correctly describes the pathway of spermatozoa from their site of formation to the external environment, including the contributions of accessory glands?

Accepted Answer

Seminiferous tubules → Epididymis → Ductus deferens → Ejaculatory duct → Urethra; seminal gland adds fructose, prostate gland adds enzymes, bulbo-urethral gland adds mucus

Question 2

During spermatogenesis, which cell type undergoes meiosis I, and what is the result?

Accepted Answer

Primary spermatocyte; produces two secondary spermatocytes

Question 3

Which hormone is primarily responsible for stimulating interstitial cells (Leydig cells) to produce testosterone in the male reproductive system?

Accepted Answer

Luteinizing hormone (LH)

Question 4

A patient presents with a deficiency in nurse (Sertoli) cells. Which of the following consequences is most likely?

Accepted Answer

Impaired spermatogenesis due to lack of support and nourishment for developing sperm cells

Question 5

Which structure in the female reproductive system is responsible for producing progesterone after ovulation?

Accepted Answer

Corpus luteum

Question 6

During the ovarian cycle, which phase is characterized by rapid proliferation of the endometrial lining, and which hormone is primarily responsible?

Accepted Answer

Proliferative phase; estrogen

Question 7

Which of the following best describes the histological layers of the uterine wall from outermost to innermost?

Accepted Answer

Perimetrium → Myometrium → Endometrium

Question 8

A woman is undergoing the secretory phase of her uterine cycle. Which hormone is at its peak, and what is the main function of this phase?

Accepted Answer

Progesterone; prepares the endometrium for implantation

Question 9

Which anatomical feature distinguishes the male urethra from the female urethra?

Accepted Answer

The male urethra is divided into prostatic, membranous, and spongy regions

Question 10

Which of the following is the correct sequence for oocyte travel from ovary to potential fertilization site?

Accepted Answer

Ovary → Fimbriae → Infundibulum → Uterine tube → Uterus

Question 11

Which hormone is released from the hypothalamus and initiates both male and female reproductive hormonal cascades?

Accepted Answer

Gonadotropin-releasing hormone (GnRH)

Question 12

A male patient has a mutation that prevents the production of androgen-binding protein (ABP) by nurse cells. What is the most likely effect on spermatogenesis?

Accepted Answer

Reduced local concentration of testosterone in seminiferous tubules, impairing spermatogenesis

Question 13

Which of the following best describes the physiological changes in the female reproductive system during menopause?

Accepted Answer

Decreased estrogen and progesterone production, cessation of ovarian and uterine cycles

Question 14

During the process of oogenesis, which cell type is formed after meiosis I and is arrested in metaphase II until fertilization?

Accepted Answer

Secondary oocyte

Question 15

Which of the following equations best represents the hormonal feedback loop regulating testosterone production in males?

Accepted Answer

$$	ext{GnRH} ightarrow 	ext{LH} ightarrow 	ext{Testosterone} ightarrow 	ext{Inhibits GnRH and LH}$$

Question 16

A patient is diagnosed with benign prostatic hyperplasia (BPH). Which symptom is most likely due to the anatomical location of the prostate gland?

Accepted Answer

Difficulty urinating due to compression of the prostatic urethra

Question 17

Which of the following best explains the protective mechanisms of the male ejaculate as it travels toward the oocyte?

Accepted Answer

Seminal fluid contains buffers to neutralize vaginal acidity, enzymes to activate sperm, and fructose for energy

Question 18

Which anatomical structure in the female reproductive system is homologous to the male penis in terms of erectile tissue?

Accepted Answer

Clitoris

Question 19

During the luteal phase of the ovarian cycle, which structure forms and what is its primary function?

Accepted Answer

Corpus luteum; secretes progesterone to maintain the endometrium

The Reproductive System: Anatomy, Physiology, and Regulation

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