Question 1

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

Accepted Answer

Testes

Question 2

During spermatogenesis, what is the chromosome number of a primary spermatocyte?

Accepted Answer

46 chromosomes (diploid)

Question 3

Which hormone is secreted by the hypothalamus and stimulates the anterior pituitary to release LH and FSH?

Accepted Answer

Gonadotropin-releasing hormone (GnRH)

Question 4

A patient presents with pain during urination and abnormal discharge. A urine test detects the DNA of Neisseria gonorrhoeae. What is the most likely diagnosis?

Accepted Answer

Gonorrhea

Question 5

Which structure in the female reproductive system is the usual site of fertilization?

Accepted Answer

Oviduct (fallopian tube)

Question 6

What is the function of the bulbourethral glands in the male reproductive system?

Accepted Answer

Release a clear, slippery liquid before ejaculation that may rinse acidic urine from the urethra

Question 7

Which hormone triggers ovulation in the ovarian cycle?

Accepted Answer

Luteinizing hormone (LH)

Question 8

A vasectomy involves cutting and sealing which structure to prevent sperm from leaving the body?

Accepted Answer

Vas deferens

Question 9

Which of the following best describes the negative feedback loop regulating testosterone production?

Accepted Answer

High testosterone inhibits GnRH and LH release

Question 10

What is the primary function of the corpus luteum after ovulation?

Accepted Answer

Secrete estrogen and progesterone to maintain the endometrium

Question 11

Which equation correctly represents the chromosome number after fertilization?

Accepted Answer

$$23 + 23 = 46$$

Question 12

Which structure in the sperm contains mitochondria to provide energy for movement?

Accepted Answer

Midpiece

Question 13

Which of the following is a long-term consequence of untreated chlamydial infection in women?

Accepted Answer

Sterility due to scarring of the oviducts

Question 14

Which hormone is responsible for thickening the endometrium in preparation for implantation?

Accepted Answer

Estrogen

Question 15

A patient is diagnosed with HIV. Which cell type is primarily targeted by the virus, leading to immune system failure?

Accepted Answer

Helper T cells

Question 16

Which birth control method involves the insertion of a device into the uterus to prevent fertilization and/or implantation?

Accepted Answer

Intrauterine device (IUD)

Question 17

Which stage of syphilis is characterized by the appearance of a painless chancre at the site of infection?

Accepted Answer

First stage

Question 18

Which equation represents the reduction in chromosome number during meiosis in gamete formation?

Accepted Answer

$$2n \rightarrow n$$

Question 19

Which hormone is produced by the anterior pituitary and enhances sperm formation in males?

Accepted Answer

Follicle-stimulating hormone (FSH)

Question 20

Which of the following is a risk factor for breast cancer due to increased exposure to estrogen?

Accepted Answer

Late age at first pregnancy

Chapter 17: Reproductive Systems – Structure, Function, and Health

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