Question 1

Which of the following best describes the main function of the reproductive system?

Accepted Answer

To form gametes, bring them together, combine genetic information, and support fetal development

Question 2

Which structure in the male reproductive system is homologous to the female clitoris?

Accepted Answer

Penis

Question 3

What is the primary role of the hypothalamic-pituitary-gonadal (HPG) axis in reproduction?

Accepted Answer

To control the release of sex hormones and gamete formation

Question 4

Which hormone is responsible for stimulating gamete formation in both testes and ovaries?

Accepted Answer

Follicle-stimulating hormone (FSH)

Question 5

During meiosis, what is the chromosome number in human gametes compared to somatic cells?

Accepted Answer

Gametes are haploid (n), somatic cells are diploid (2n)

Question 6

Which process ensures genetic diversity during meiosis?

Accepted Answer

Crossing over between homologous chromosomes

Question 7

Why are the testes located outside the abdominopelvic cavity in the scrotum?

Accepted Answer

To maintain a temperature about 3°C below core body temperature for viable sperm production

Question 8

Which muscle contracts to wrinkle the scrotal skin and reduce heat loss?

Accepted Answer

Dartos muscle

Question 9

What is the correct order of sperm travel from formation to exit from the body?

Accepted Answer

Seminiferous tubules → epididymis → ductus deferens → urethra

Question 10

Which gland produces the majority of the seminal fluid in semen?

Accepted Answer

Seminal glands (seminal vesicles)

Question 11

Which phase of the male sexual response is under parasympathetic control?

Accepted Answer

Erection

Question 12

What is the main function of the acrosome in a mature sperm cell?

Accepted Answer

To contain hydrolytic enzymes that help penetrate the egg

Question 13

Which cell type in the seminiferous tubules produces testosterone?

Accepted Answer

Interstitial cells (Leydig cells)

Question 14

Which of the following is true regarding oogenesis?

Accepted Answer

Oogenesis begins during fetal development

Question 15

Where does fertilization of an oocyte typically occur?

Accepted Answer

In the uterine tube (fallopian tube)

Question 16

Which hormone is primarily responsible for maintaining the uterine lining during the secretory phase?

Accepted Answer

Progesterone

Question 17

What is the main function of the corpus luteum?

Accepted Answer

To secrete progesterone and estrogen to maintain the endometrium

Question 18

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

Accepted Answer

Luteal phase

Question 19

Which of the following best explains why oral contraceptives prevent ovulation?

Accepted Answer

They mimic the postovulatory phase, inhibiting the LH surge

Question 20

Which of the following is a function of the female external genitalia (vulva)?

Accepted Answer

Protection of the vaginal and urethral openings

Study Guide: The Reproductive System (Chapter 27)

Study Guide - Practice Questions