Reproductive System

Question 1

Which of the following is the male gamete?
a) Ovum
b) Sperm
c) Zygote
d) Testosterone

Answer 1

b) Sperm

Question 2

The primary sex organs in males are the:
a) Epididymis
b) Seminal glands
c) Testes
d) Prostate gland

Answer 2

c) Testes

Question 3

Sperm production occurs in the:
a) Epididymis
b) Ductus deferens
c) Seminiferous tubules
d) Interstitial endocrine cells

Answer 3

c) Seminiferous tubules

Question 4

The scrotum is located outside the abdominopelvic cavity to:
a) Protect the testes from injury
b) Facilitate blood flow to the testes
c) Maintain a temperature suitable for sperm production
d) Allow for expansion during ejaculation

Answer 4

c) Maintain a temperature suitable for sperm production

Question 5

Sperm mature and are stored in the:
a) Ductus deferens
b) Seminal glands
c) Epididymis
d) Ejaculatory duct

Answer 5

c) Epididymis

Question 6

The ductus deferens connects the epididymis to the:
a) Urethra
b) Seminal gland duct
c) Ejaculatory duct
d) Urinary bladder

Answer 6

c) Ejaculatory duct

Question 7

Which of the following male accessory glands contributes the largest volume to semen?
a) Prostate gland
b) Bulbo-urethral glands
c) Seminal glands
d) Epididymis

Answer 7

c) Seminal glands

Question 8

The fluid produced by the bulbo-urethral glands serves to:
a) Nourish sperm
b) Activate sperm motility
c) Lubricate the glans penis and neutralize acidic urine in the urethra
d) Provide clotting factors to semen

Answer 8

c) Lubricate the glans penis and neutralize acidic urine in the urethra

Question 9

Spermatogenesis begins at:
a) Birth
b) Puberty
c) Infancy
d) Adulthood

Answer 9

b) Puberty

Question 10

Meiosis in males results in the formation of:
a) Two diploid spermatocytes
b) Four haploid spermatids
c) One haploid ovum and polar bodies
d) Two diploid spermatogonia

Answer 10

b) Four haploid spermatids

Question 11

The acrosome of a sperm cell contains:
a) Mitochondria
b) DNA
c) Hydrolytic enzymes
d) RNA

Answer 11

c) Hydrolytic enzymes

Question 12

Sustentocytes (Sertoli cells) in the seminiferous tubules:
a) Produce testosterone
b) Directly undergo meiosis
c) Support and nourish developing sperm cells
d) Contract to move sperm

Answer 12

c) Support and nourish developing sperm cells

Question 13

Luteinizing hormone (LH) in males stimulates:
a) Spermatogenesis in the seminiferous tubules
b) The release of inhibin from sustentocytes
c) Testosterone production by interstitial endocrine cells
d) The development of secondary sex characteristics

Answer 13

c) Testosterone production by interstitial endocrine cells

Question 14

Inhibin in males acts to:
a) Stimulate the release of GnRH
b) Inhibit the release of FSH from the anterior pituitary
c) Increase testosterone production
d) Promote sperm motility

Answer 14

b) Inhibit the release of FSH from the anterior pituitary

Question 15

Male secondary sex characteristics are primarily due to the effects of:
a) Follicle-stimulating hormone (FSH)
b) Luteinizing hormone (LH)
c) Testosterone
d) Gonadotropin-releasing hormone (GnRH)

Answer 15

c) Testosterone

Question 16

The female gonads are the:
a) Uterus
b) Vagina
c) Ovaries
d) Uterine tubes

Answer 16

c) Ovaries

Question 17

The female gamete is the:
a) Sperm
b) Ovum
c) Zygote
d) Testosterone

Answer 17

b) Ovum

Question 18

Fertilization typically occurs in the:
a) Uterus
b) Ovary
c) Uterine tube (fallopian tube)
d) Vagina

Answer 18

c) Uterine tube (fallopian tube)

Question 19

The uterus has a mucosal lining called the:
a) Perimetrium
b) Myometrium
c) Endometrium
d) Tunica albuginea

Answer 19

c) Endometrium

Question 20

Oogenesis begins:
a) At puberty
b) After fertilization
c) In the fetal period
d) After ovulation

Answer 20

c) In the fetal period

Question 21

Meiosis in females produces:
a) Four functional ova
b) Two functional ova and polar bodies
c) One functional ovum and polar bodies
d) Four polar bodies

Answer 21

c) One functional ovum and polar bodies

Question 22

The fluid-filled cavity that develops in a vesicular follicle is called the:
a) Corona radiata
b) Zona pellucida
c) Antrum
d) Corpus luteum

Answer 22

c) Antrum

Question 23

Ovulation is triggered by a surge in:
a) Estrogen
b) Progesterone
c) Luteinizing hormone (LH)
d) Follicle-stimulating hormone (FSH)

Answer 23

c) Luteinizing hormone (LH)

Question 24

After ovulation, the ruptured follicle transforms into the:
a) Corpus albicans
b) Corpus luteum
c) Vesicular follicle
d) Primary follicle

Answer 24

b) Corpus luteum

Question 25

The corpus luteum primarily secretes: a) Estrogen b) Progesterone and estrogen c) Luteinizing hormone (LH) d) Follicle-stimulating hormone (FSH)

Answer 25

b) Progesterone and estrogen

Question 26

If fertilization does not occur, the corpus luteum: a) Enlarges and produces more hormones b) Degenerates into the corpus albicans c) Secretes human chorionic gonadotropin (hCG) d) Develops into a mature follicle

Answer 26

b) Degenerates into the corpus albicans

Question 27

The shedding of the stratum functionalis of the endometrium occurs during the: a) Proliferative phase b) Secretory phase c) Menstrual phase d) Ovulatory phase

Answer 27

c) Menstrual phase

Question 28

Rising levels of estrogen during the proliferative phase of the uterine cycle cause: a) The breakdown of the endometrium b) The formation of the corpus luteum c) The growth and thickening of the endometrium d) The secretion of progesterone

Answer 28

c) The growth and thickening of the endometrium

Question 29

Progesterone, secreted by the corpus luteum during the secretory phase, primarily functions to: a) Stimulate ovulation b) Cause menstruation c) Prepare the endometrium for implantation d) Inhibit the release of FSH and LH

Answer 29

c) Prepare the endometrium for implantation

Question 30

The hypothalamic hormone that regulates both the male and female reproductive systems is: a) Testosterone b) Estrogen c) Gonadotropin-releasing hormone (GnRH) d) Inhibin

Answer 30

c) Gonadotropin-releasing hormone (GnRH)