Question 1

Which muscle is responsible for wrinkling the scrotal skin to increase thickness for warmth?

Accepted Answer

Dartos muscle

Question 2

What is the primary function of the pampiniform plexus in the male reproductive system?

Accepted Answer

Absorbs heat from arterial blood supplying the testes

Question 3

A patient presents with cryptorchidism. What is the most likely consequence if left untreated?

Accepted Answer

Impaired sperm production

Question 4

Which structure is homologous to the labia majora in female anatomy?

Accepted Answer

Scrotum

Question 5

During spermatogenesis, which cell type is the stem cell that initiates sperm production?

Accepted Answer

Spermatogonium

Question 6

Which gland produces a basic fluid that neutralizes acidic urine in the urethra and lubricates it?

Accepted Answer

Bulbourethral gland

Question 7

What is the correct pathway for sperm from production to ejaculation?

Accepted Answer

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

Question 8

Which hormone is released by the corpus luteum to signal the uterus to prepare for possible implantation?

Accepted Answer

Progesterone

Question 9

During the menstrual cycle, which phase is characterized by the shedding of the stratum functionalis layer?

Accepted Answer

Menstrual phase

Question 10

Which layer of the uterine wall is responsible for contractions during labor?

Accepted Answer

Myometrium

Question 11

A vasectomy involves cutting and tying off which structure?

Accepted Answer

Ductus (vas) deferens

Question 12

Which segment of the male urethra passes through the prostate gland?

Accepted Answer

Prostatic urethra

Question 13

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

Accepted Answer

Uterine (fallopian) tube

Question 14

Which phase of the ovarian cycle corresponds in time to the secretory phase of the uterine cycle?

Accepted Answer

Luteal phase

Question 15

Which cell type is ovulated during the ovarian cycle?

Accepted Answer

Secondary oocyte

Question 16

Which hormone surge is responsible for triggering ovulation?

Accepted Answer

Luteinizing hormone (LH)

Question 17

Which structure keeps the urethra open during ejaculation?

Accepted Answer

Corpus spongiosum

Question 18

Which layer of the endometrium thickens and sheds under hormonal control?

Accepted Answer

Stratum functionalis

Question 19

Which structure is homologous to the corpus cavernosum in female anatomy?

Accepted Answer

Clitoris

Question 20

Which of the following best describes the function of the mammary glands?

Accepted Answer

Produce milk

The Human Reproductive System: Structure, Function, and Cycles

Study Guide - Practice Questions