Question 1

Which of the following is NOT a primary function of the reproductive system?

Accepted Answer

Maintaining homeostasis in the body

Question 2

Which structure is responsible for keeping the testes at a temperature lower than core body temperature, and how does it achieve this?

Accepted Answer

The scrotum; by housing the testes outside the abdominal cavity and using the dartos and cremaster muscles to regulate distance from the body

Question 3

During spermatogenesis, how many sperm cells are produced from one primary spermatocyte?

Accepted Answer

Four

Question 4

Which hormone is primarily responsible for stimulating the production of sperm in the seminiferous tubules?

Accepted Answer

Follicle Stimulating Hormone (FSH)

Question 5

A patient undergoes a vasectomy. Which structure is cut and what is the immediate effect on fertility?

Accepted Answer

Vas deferens; sperm can no longer reach the ejaculatory duct, leading to sterility after several ejaculations

Question 6

Which of the following best describes the function of the seminal vesicles?

Accepted Answer

They secrete an alkaline, fructose-rich fluid that nourishes sperm and enhances motility

Question 7

Which layer of the uterine wall undergoes cyclic changes and is shed during menstruation?

Accepted Answer

Endometrium

Question 8

What is the primary site of fertilization in the female reproductive tract?

Accepted Answer

Ampulla of the uterine (fallopian) tube

Question 9

Which hormone surge triggers ovulation, and on which day of a typical 28-day cycle does this usually occur?

Accepted Answer

Luteinizing Hormone (LH); Day 14

Question 10

What is the function of the corpus luteum after ovulation?

Accepted Answer

It secretes estrogen and progesterone to maintain the endometrial lining

Question 11

Which of the following is a correct sequence of events in the ovarian cycle?

Accepted Answer

Follicular phase → Ovulation → Luteal phase

Question 12

Which structure in the female reproductive system is homologous to the male penis and is composed of corpora cavernosa?

Accepted Answer

Clitoris

Question 13

A woman is diagnosed with endometriosis. Which layer of the uterus is primarily affected by this condition?

Accepted Answer

Endometrium

Question 14

Which of the following best explains why the scrotum contracts and relaxes in response to temperature changes?

Accepted Answer

To regulate the temperature of the testes for optimal sperm production

Question 15

Which hormone is responsible for the development of male secondary sex characteristics?

Accepted Answer

Testosterone

Question 16

During the secretory phase of the uterine cycle, which hormone is primarily responsible for stimulating secretion by the endometrium?

Accepted Answer

Progesterone

Question 17

Which of the following is a function of the bulbourethral glands?

Accepted Answer

Secreting alkaline mucus to neutralize acidic urine and lubricate the urethra

Question 18

If a male has a blockage in the epididymis, which of the following would most likely occur?

Accepted Answer

Sperm would not mature or be stored properly, leading to infertility

Question 19

Which of the following best describes the role of FSH and LH in the female reproductive cycle?

Accepted Answer

FSH stimulates follicle growth; LH triggers ovulation and corpus luteum formation

Question 20

Which of the following statements about the vagina is correct?

Accepted Answer

It is lined with stratified squamous epithelium and has an acidic environment due to resident lactobacilli

The Reproductive System: Anatomy, Physiology, and Hormonal Regulation

Study Guide - Practice Questions