Question 1

Which of the following structures is responsible for producing testosterone in the male reproductive system?

Accepted Answer

Interstitial cells (Leydig cells)

Question 2

A vasectomy is a surgical procedure used for male sterilization. Which structure is cut or cauterized during this procedure?

Accepted Answer

Ductus (vas) deferens

Question 3

Which hormone directly stimulates the interstitial cells of the testes to produce testosterone?

Accepted Answer

Luteinizing hormone (LH)

Question 4

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

Accepted Answer

Day 14

Question 5

Which of the following best describes the function of the fimbriae in the female reproductive system?

Accepted Answer

They sweep the ovulated oocyte into the uterine tube.

Question 6

Which phase of the uterine (menstrual) cycle is characterized by the rebuilding of the functional layer of the endometrium?

Accepted Answer

Proliferative phase

Question 7

A patient presents with an ectopic pregnancy. Where is the most common site for implantation in this condition?

Accepted Answer

Fallopian (uterine) tube

Question 8

Which of the following is a function of the prostate gland?

Accepted Answer

It secretes a milky fluid that helps activate sperm.

Question 9

Which hormone is primarily responsible for maintaining the endometrium during the secretory phase of the menstrual cycle?

Accepted Answer

Progesterone

Question 10

A 35-year-old woman undergoes a tubal ligation. What is the primary effect of this procedure?

Accepted Answer

Prevents sperm from reaching the oocyte

Question 11

Which of the following best explains why the testes are located in the scrotum outside the body cavity?

Accepted Answer

To maintain a temperature about 3°C lower than body temperature for optimal sperm production

Question 12

Which structure in the sperm contains enzymes necessary for penetrating the oocyte during fertilization?

Accepted Answer

Acrosome

Question 13

Which of the following is a correct statement about the products of meiosis in males and females?

Accepted Answer

Males produce four functional sperm; females produce one functional ovum and three polar bodies.

Question 14

Which of the following events occurs only if fertilization takes place?

Accepted Answer

Completion of meiosis II in the secondary oocyte

Question 15

A patient is diagnosed with benign prostatic hypertrophy (BPH). Which symptom is most likely to be reported?

Accepted Answer

Difficulty with urination

Question 16

Which of the following best describes the positive feedback mechanism during labor?

Accepted Answer

Uterine contractions stimulate more oxytocin release, which increases contractions

Question 17

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

Accepted Answer

It delivers nutrients and oxygen to the fetus without mixing maternal and fetal blood

Question 18

Which of the following contraceptive methods works by preventing the implantation of a fertilized egg?

Accepted Answer

Intrauterine device (IUD)

Question 19

A patient is found to have an XO genotype. Which of the following is most likely true?

Accepted Answer

The patient will lack ovaries

Question 20

Which of the following is a secondary sex characteristic caused by estrogen in females?

Accepted Answer

Development of breasts

Chapter 16: The Reproductive System – Study Notes

Study Guide - Practice Questions