Question 1

Which structure in the male reproductive system is responsible for the production of testosterone?

Accepted Answer

Interstitial cells in the seminiferous tubules

Question 2

A patient presents with infertility due to immotile sperm. Which part of the sperm cell is most likely defective?

Accepted Answer

Tail (flagellum)

Question 3

Which of the following best describes the function of the bulbo-urethral glands?

Accepted Answer

Secrete a mucus that cleanses the urethra and lubricates during intercourse

Question 4

During the menstrual cycle, ovulation typically occurs on which day?

Accepted Answer

Day 14

Question 5

Which hormone is primarily responsible for the development of secondary sexual characteristics in females?

Accepted Answer

Estrogen

Question 6

A blockage in the ductus (vas) deferens would directly prevent sperm from reaching which structure?

Accepted Answer

Ejaculatory duct

Question 7

Which layer of the uterus is shed during menstruation?

Accepted Answer

Endometrium

Question 8

Which of the following is a function of the placenta during pregnancy?

Accepted Answer

Delivery of nutrients and oxygen to the embryo

Question 9

Which structure receives the ovulated oocyte and is the typical site of fertilization?

Accepted Answer

Uterine (fallopian) tube

Question 10

A woman is unable to produce milk after childbirth. Which gland is most likely underdeveloped or malfunctioning?

Accepted Answer

Mammary gland

Question 11

Which of the following best explains why semen is alkaline?

Accepted Answer

To neutralize the acidic environment of the vagina

Question 12

Which event marks the beginning of the embryonic period?

Accepted Answer

Fertilization of the oocyte

Question 13

Which of the following is TRUE regarding meiosis in males and females?

Accepted Answer

Males produce four functional sperm, females produce one functional ovum

Question 14

A patient has a mutation that prevents the formation of the acrosome in sperm. What is the most likely consequence?

Accepted Answer

Sperm cannot penetrate the oocyte membrane

Question 15

Which ligament helps anchor the ovary to the lateral walls of the pelvis?

Accepted Answer

Suspensory ligament

Question 16

Which hormone is released by the pituitary gland and is crucial for initiating labor contractions?

Accepted Answer

Oxytocin

Question 17

A male patient has a blockage in his prostatic urethra. Which of the following is most likely to be affected?

Accepted Answer

Semen and urine flow

Question 18

Which phase of the uterine (menstrual) cycle is characterized by the repair and thickening of the endometrium?

Accepted Answer

Proliferative phase

Question 19

Which of the following is a secondary sex characteristic caused by testosterone in males?

Accepted Answer

Deepening of the voice

Question 20

A patient’s blastocyst fails to implant in the endometrium. What is the most likely outcome?

Accepted Answer

The blastocyst will be expelled during menstruation

The Reproductive System: Structure, Function, and Development

Study Guide - Practice Questions