CH 27 The Reproductive System
The inferior portion of the uterus that projects into the vagina is the..
A) fornix
B) fundus
C) isthmus
D) cervis
D) cervix
If the ovaries of an otherwise healthy 20-year-old were removed, which of the following would you expect to see?
A) increased menstrual flow
B) increased estrogen levels
C) increased progesterone levels
D) cessation of ovulation
D) cessation of ovulation
At which time is the number of primordial follicles greatest?
A) at birth
B) at age 10
C) at puberty
D) at menopause
A) at birth
All of the following are true of the vigina except
A) serves as a passage way for menstrual flow
B) receives the penis during copulation
C) forms the lower portion of the birth canal
D) loses a portion of it's lining during menstruation
D) loses a portion of it's lining during menstruation
The structure that transports the ovum to the uterus is the
A) uterosacral ligament
B) vagina
C) uterine tube
D) myometrium
C) uterine tube
The erectile tissue located in the clitoris is the
A) corpus spongiosum
B) corpus cavernosum
C) bulobospongiosum
D) none of the above
B) corpus cavernosum
Sperm production occurs in the
A) ductus deferens
B) seminiferous tubules
C) epididymis
D) vas deferens
B) seminiferous tubules
Interstitial cells produce
A) sperm
B) ova
C) inhibin
D) testosterone
D) testosterone
In response to parasympathetic stimulation
A) vessels in the testis constrict
B) ejaculation occurs
C) erection occurs
D) sperm production increases
C) erection occurs
Removal of the prostate would result in semen
A) more susceptible to infection
B) with a higher than normal pH
C) with less fructose
D) with no lubricating fluids
A) more susceptible to infection
Which of the following causes ejaculation?
A) contraction of the corpus cavernosum
B) contraction of the corpus spongiosum
C) contraction of the dartos muscle
D) none of the above
B) contraction of the corpus spongiosum
Function of testosterone include all of the following except
A) initiation of puberty
B) increased muscle mass
C) development of secondary sexual characteristics
D) all of the above are functions
D) all of the above are functions
The erectile tissue located on the ventral surface of the penis is the
A) penile urethra
B) corpus spongiosum
C) corpus cavernosum
D) prepuce
C) corpus cavernosum
The male organ of copulation is the
A) scrotum
B) epididymis
C) seminal vesicle
D) none of the above
D) none of the above
The erectile tissue that surrounds the penile urethra is the
A) membranous urethra
B) corpus spongiosum
C) corpus cavernosum
D) glans penis
B) corpus spongiosum
Which of the following does not secrete a fluid into the semen?
A) prostate
B) seminal vesicle
C) bulbourethral gland
D) ejaculatory duct
D) ejaculatory duct
The structure that transports the sperm form the epididymis to the ejaculatory duct is the
A) ampulla
B) vas deferens
C) seminal vesicle
D) testis
B) vas deferens
Each gamere contains_____chromosomes.
A) 23 pairs
B) 46
C) 23
D) none of the above
C) 23
Which of the following is found in the prostate?
A) ejaculatory duct
B) ampulla
C) membranous urethra
D) seminal vesicle
A) ejaculatory duct
The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
A) They contract to push sperm along the vas deferens.
B) They help regulate the temerpature of the testes.
C) They are responsible for the penile erection.
D) They contract to allow ejaculation.
B) They help regulate the temperature of the testes.
Match the semen ingredient with the amount it contributes
21) epididymis
22) bulbourethral gland
23) seminal vesicle
24) sperm
25) prostate gland
a) 60%
b) 30%
c) 5%
d) 10%
e) 0%
E, C, A, B, D
Epididymis- 0%
Bulbourethral Gland- 5%
Seminal Vesicle- 60%
Prostate Gland- 30%
Sperm- 10%