Question 1

Which structure in the male reproductive system is responsible for producing sperm and secreting testosterone?

Accepted Answer

Testis

Question 2

The pampiniform venous plexus plays a critical role in which of the following physiological processes?

Accepted Answer

Maintaining a lower temperature in the testes

Question 3

During spermatogenesis, which cell type is the first to be haploid ($$n$$)?

Accepted Answer

Secondary spermatocyte

Question 4

Which muscle is responsible for elevating the testes closer to the body in response to cold temperatures?

Accepted Answer

Cremaster muscle

Question 5

A patient presents with a painless ulcer on the genitalia that later disappears, followed by a pink skin rash and joint pain. Which sexually transmitted infection is most likely responsible?

Accepted Answer

Syphilis

Question 6

Which of the following best describes the function of the blood-testis barrier formed by sustentocytes?

Accepted Answer

It prevents sperm antigens from escaping into the blood, avoiding immune activation.

Question 7

Which phase of the uterine (menstrual) cycle is characterized by the rebuilding of the endometrium and thinning of cervical mucus?

Accepted Answer

Proliferative (preovulatory) phase

Question 8

A vasectomy involves cutting and ligating which structure?

Accepted Answer

Ductus (vas) deferens

Question 9

Which hormone surge directly triggers ovulation in the ovarian cycle?

Accepted Answer

Luteinizing hormone (LH)

Question 10

Which of the following is a correct sequence for the passage of sperm from the seminiferous tubules to the exterior of the body?

Accepted Answer

Seminiferous tubules → Epididymis → Ductus deferens → Ejaculatory duct → Urethra

Question 11

Which of the following is true regarding the difference between oogenesis and spermatogenesis?

Accepted Answer

Oogenesis produces one viable gamete and three polar bodies, while spermatogenesis produces four viable sperm.

Question 12

Which structure in the female reproductive system is homologous to the male penis and contains erectile tissue?

Accepted Answer

Clitoris

Question 13

A patient with benign prostatic hyperplasia (BPH) is most likely to experience which of the following symptoms?

Accepted Answer

Distorted urethra leading to difficulty urinating

Question 14

Which of the following best describes the role of the corpus luteum in the ovarian cycle?

Accepted Answer

It produces estrogen and progesterone to maintain the uterine lining.

Question 15

Which of the following is a function of the bulbourethral (Cowper’s) glands?

Accepted Answer

Producing thick, clear mucus that neutralizes acidic urine in the urethra

Question 16

Which of the following events occurs during the secretory phase of the uterine cycle?

Accepted Answer

Preparation of the endometrium for embryo implantation

Question 17

Which of the following best explains why the testes are located outside the abdominopelvic cavity?

Accepted Answer

To maintain a temperature about $$3^{\circ}C$ lower than core body temperature, which is necessary for sperm production

Question 18

Which hormone is primarily responsible for stimulating the interstitial endocrine cells (Leydig cells) to produce testosterone?

Accepted Answer

Luteinizing hormone (LH)

Question 19

A mutation in the SRY gene on the Y chromosome would most likely result in which developmental outcome?

Accepted Answer

Development of female internal and external genitalia, regardless of genetic sex

Question 20

Which of the following is a correct statement about the role of estrogen in the female reproductive system?

Accepted Answer

It promotes oogenesis, follicle growth, and the development of secondary sex characteristics.

Study Guide: The Reproductive System (Anatomy & Physiology)

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