Deck 17: The Reproductive System

Question 1

What is the haploid number of chromosomes found in human gametes?

A)23
B)46
C)23 pair
D)both 46 and 23 pair

Answer 1

A

Question 2

The testes

A)produce gametes.
B)secrete hormones.
C)produce gametes and secrete hormones.

Answer 2

C

Question 3

What is the diploid number of chromosomes in human body cells?

A)23
B)46
C)23 pair
D)both 46 and 23 pair

Answer 3

D

Question 4

Meiosis

A)occurs only in testes and ovaries.
B)reduces chromosome number to 23.
C)involves the separation of homologous chromosomes.
D)All apply.

Question 5

The development of a child into a sexually mature young adult is called

A)metamorphosis.
B)maturation.
C)puberty.
D)menarche.

Question 6

What is the function of interstitial cells of the testes?

A)produce immature sperm
B)produce androgens
C)produce semen
D)All apply.

Question 7

The close grouping of homologous chromosomes in prophase in meiosis I is called a

A)zygote.
B)tetrad.
C)gamete.
D)chromatiD.

Question 8

How many cell divisions occur in meiosis?

A)none
B)one
C)two
D)many

Question 9

Reproductive organs are called gametes.
Reproductive organs are called gonads.The sex cells are gametes.

Question 10

The seminiferous tubules

A)are found in the testes.
B)are where sperm are formed.
C)produce male hormones.
D)both are found in the testes and are where sperm are formeD.

Question 11

Match the description to the phase of meiosis.

Question 12

Gametes are exact copies of body cells,but with only half the number of chromosomes.
Gametes are not exact copies of body cells due to gene exchanges such as crossing-over,that occurs during meiosis.

Question 13

List the structures of the seminal tract in the order that sperm would encounter them.

Question 14

Which of the following is NOT a function of the female reproductive system?

A)produces female sex hormones for feminization and pregnancy
B)produces ova in the uterus
C)provides a place for a fertilized egg to develop in the uterus
D)receiving the male penis and removing of menstrual flow through the vagina

Question 15

Why do the testes descend into the scrotum?

A)There is not sufficient room in the abdomen.
B)Abdominal temperature is too low to produce hormones.
C)Abdominal temperature is too high to produce viable sperm.
D)There is no known reason.

Question 16

What is the new cell formed from the union of egg and sperm called and how many chromosomes does it have?

A)zygote with 23 chromosomes
B)zygote with 23 pairs of chromosomes
C)egg with 46 chromosomes
D)tetrad with 23 pairs of chromosomes

Question 17

The primary sex organs of a male are the

A)scrotum.
B)ovaries.
C)testes.
D)glands.

Question 18

Which of the following is NOT a function of the male reproductive system?

A)produces sperm in the testes
B)produces male sex hormones for masculinization
C)provides for the maturing of sperm in the testes
D)delivers sperm to the female vagina with the penis

Question 19

Sex hormones affect only reproductive organs.
Sex hormones affects all organs and systems of the body.

Question 20

How many cells are produced by meiosis?

A)one
B)two
C)three
D)four

Question 21

The process of sperm production is called

A)spermatogenesis.
B)spermiogenesis.
C)oogenesis.
D)None apply.

Question 22

Which gland secretes a mucus-like fluid that helps lubricate the end of the penis for sexual intercourse?

A)prostate gland
B)seminal vesicles
C)bulbourethral glands
D)epididymis

Question 23

The __________ stores sperm and allows them to mature.

A)epididymis
B)vas deferens
C)bulbourethral gland
D)urethra

Question 24

Human sperm

A)have twenty-three chromosomes.
B)have mitochondria.
C)have a tail.
D)All apply.

Question 25

Which of the following is NOT a gland that secretes seminal fluid?

A)urinary bladder
B)prostate gland
C)bulbourethal glands
D)seminal vesicles

Question 26

Spermatogenesis

A)occurs in the interstitial cells.
B)is a form of meiosis.
C)occurs at internal body temperature.
D)All apply.

Question 27

The __________ conducts sperm into the abdominal cavity through the inguinal canal.

A)epididymis
B)vas deferens
C)bulbourethral gland
D)urethra

Question 28

The sperm's midpiece contains

A)the chromosomes.
B)the mitochondria.
C)enzymes.
D)the tail.

Question 29

The ejaculatory ducts join the _______ in the prostate gland.

A)ureters
B)spermatic cord
C)urethra
D)None apply.

Question 30

What structure contains the vas deferens,and the testicular artery,vein,and nerve?

A)spermatic cord
B)inguinal canal
C)epididymis
D)urethra

Question 31

The __________ is not part of the male duct system.

A)epididymis
B)vas deferens
C)bulbourethral gland
D)urethra

Question 32

Which male gland is located behind the urinary bladder and secretes an alkaline fluid with fructose and prostaglandins?

A)bulbourethral glands
B)Cowper's glands
C)prostate
D)seminal vesicles

Question 33

The sperm's acrosome contains

A)the chromosomes.
B)the mitochondria.
C)enzymes.
D)the tail.

Question 34

Which of the following is NOT part of a mature sperm?

A)head
B)midpiece
C)body
D)tail

Question 35

The vas deferens joins a duct from the seminal vesicle to form the

A)urethrA.
B)prostate gland.
C)ejaculatory duct.
D)spermatic corD.

Question 36

What type of cell acts to support,nourish,and regulate the development of sperm?

A)spermatogonia
B)sustentacular cells
C)interstitial cells
D)both spermatogonia and sustentacular cells

Question 37

What does seminal fluid provide?

A)the correct pH for sperm
B)fructose for energy
C)enhance sperm motility
D)All apply.

Question 38

What type of cell is found in the seminiferous tubules?

A)spermatogonia
B)sustentacular cells
C)interstitial cells
D)both spermatogonia and sustentacular cells

Question 39

The most important androgen is

A)testosterone.
B)semen.
C)prostaglandins.
D)progesterone.

Question 40

What is produced by the process of spermatogenesis?

A)2 haploid spermatids
B)2 diploid spermatids
C)4 haploid spermatids
D)4 diploid spermatids

Question 41

What nonviable cell is produced by oogenesis?

A)ovum
B)polar body
C)follicle
D)corpus luteum

Question 42

What does the urethra pass through in the penis?

A)corpus spongiosum
B)corpora cavernosa
C)glans penis
D)prepuce

Question 43

The process of forming an ovum is called

A)mitosis.
B)oogenesis.
C)meiosis.
D)both oogenesis and meiosis.

Question 44

Which of the following is NOT a function of testosterone?

A)growth of facial,axillary,and pubic hair
B)increase in secretion of oil and sweat glands
C)decrease in the size of the larynx
D)increased muscle strength

Question 45

Which of the following produces the gonadotropic hormones?

A)hypothalamus
B)testis
C)anterior pituitary gland
D)All apply.

Question 46

LH and FSH are

A)sex hormones.
B)gonadotropic hormones.
C)only in females.
D)All apply.

Question 47

Testosterone

A)matures the penis and testes.
B)is responsible for male secondary characteristics.
C)causes oil glands to secrete.
D)All apply.

Question 48

Which of the following is NOT a male secondary sex characteristic?

A)maturation of the testes
B)body hair
C)possible acne and body odor
D)deep voice

Question 49

Which of the following promotes production of testosterone by the interstitial cells?

A)LH
B)FSH
C)GnRH
D)inhibin

Question 50

Which of the following is INCORRECT about erection?

A)autonomic nerves release nitric oxide
B)cGMP is produced that causes artery walls to relax
C)arteries entering the penis constrict
D)veins that exit the penis are compressed

Question 51

Which of the following is NOT part of the male sexual response?

A)erection
B)ejaculation
C)refractory period
D)urination

Question 52

Which of the following stimulates spermatogenesis in the seminiferous tubules?

A)LH
B)FSH
C)testosterone
D)inhibin

Question 53

Which of the following is NOT part of the vulva?

A)clitoris
B)mons pubis
C)labia majora
D)vagina

Question 54

What structure is removed from the penis during circumcision?

A)root
B)prepuce
C)glans penis
D)corpora cavernosa

Question 55

The primary sex organ(s)in females is (are)

A)fallopian (uterine)tubes.
B)ovaries.
C)uterus.
D)vagina.

Question 56

What are the external genitals of the male?

A)penis and prostate
B)scrotum and testes
C)testes and penis
D)penis and scrotum

Question 57

Follicles are found in

A)the ovaries.
B)the testes.
C)the ovaries and testes.
D)neither the ovaries nor testes.

Question 58

Which of the following is involved with the functioning of the testes?

A)hypothalamus
B)anterior pituitary gland
C)gonadotropic hormones
D)All apply.

Question 59

Which male gland encircles the urethra and secretes a fluid that enhances sperm motility?

A)Cowper's glands
B)seminal vesicles
C)prostate
D)bulbourethral glands

Question 60

The release of semen from the penis is called

A)ejaculation
B)emission
C)expulsion
D)refraction

Question 61

Once a follicle releases an egg,it becomes a

A)vesicular follicle.
B)corpus luteum.
C)zona pellucida.
D)corpus albicans.

Question 62

A mature follicle is called a

A)vesicular (Graafian)follicle.
B)primary follicle.
C)secondary follicle.
D)corpus luteum.

Question 63

What structures produce the female sex hormones?

A)ovaries
B)follicle
C)corpus luteum
D)All apply.

Question 64

Where does oogenesis occur?

A)in the corpus luteum
B)in the follicle
C)in the epididymis
D)in the uterus

Question 65

Which layer of the uterus varies according to the monthly reproductive cycle?

A)endometrium
B)myometrium
C)perimetrium
D)All apply.

Question 66

During the follicular phase the

A)pituitary secretes FSH.
B)follicle secretes estrogen.
C)pituitary secretes increasing amounts of LH.
D)All apply.

Question 67

The corpus luteum forms from the follicle after ovulation.

Question 68

The uterus usually lies above and tipped over the urinary bladder.

Question 69

Development of the fetus occurs in the

A)uterus.
B)vagina.
C)ovaries.
D)uterine tubes.

Question 70

Which of the following is NOT a result of estrogen production?

A)increased long bone growth
B)thickening of the endometrium to two or three times the normal thickness
C)development of the female "curves"
D)maturation of the ovum

Question 71

Any pregnancy that occurs outside the uterus is called an ectopic pregnancy.

Question 72

What female external genital is homologous to the male's penis?

A)mons pubis
B)labia majora
C)labia minora
D)clitoris

Question 73

Which of the following is NOT a part of the uterus?

A)fundus
B)body
C)vagina
D)cervix

Question 74

Where does fertilization of an egg usually occur?

A)pelvic cavity
B)uterus
C)vagina
D)uterine tubes

Question 75

What structures act to draw a released ovum into the uterine tube?

A)follicle
B)corpus luteum
C)fimbriae
D)zona pellucida

Question 76

Copulation takes place in the

A)uterus.
B)vagina.
C)ovaries.
D)uterine tubes.

Question 77

A pregnancy that occurs outside the uterus is called

A)implantation.
B)ectopic.
C)gestation.
D)oogenesis.

Question 78

Which of the following is NOT true of the female sexual response?

A)The Bartholin glands secrete mucus for lubrication.
B)Breasts swell and nipples become erect.
C)The clitoris can engorge with stimulation.
D)The refractory period follows orgasm.

Question 79

The released ovum has completed meiosis.
The released ovum is in metaphase II and will only complete meiosis if it is fertilized.

Question 80

The reproductive and urinary systems are partially connected in the female.
The reproductive and urinary systems are separate in the female.