Question 1

Approximately 60 percent of the volume of semen is produced by the

Accepted Answer

A)  prostate gland
B)  epididymis
C)  seminal vesicles
D)  testis
E)  bulbourethral gland

Question 2

The beginning of menstruation or the first menses in females is called

Accepted Answer

A)  menopause
B)  menarche
C)  amenorrhea
D)  dysmenorrrhea
E)  menorrhagia

Question 3

The process of spermatogenesis occurs in the

Accepted Answer

A)  sustentacular (Sertoli) cells
B)  seminiferous tubules
C)  interstitial cells of Leydig
D)  epididymis
E)  vas deferens

Question 4

During the production of secondary oocytes by oogenesis, meiosis II is completed

Accepted Answer

A)  prior to birth.
B)  at puberty.
C)  just before ovulation.
D)  just after ovulation.
E)  just after fertilization.

Question 5

Enzymes used by sperm cells to penetrate an ovum during fertilization are located in the

Accepted Answer

A)  neck of the sperm cell.
B)  acrosome.
C)  midpiece of the tail.
D)  principal piece of the tail.
E)  nucleus of the sperm.

Question 6

During early fetal development, germ cells in the ovaries differentiate into oogonia.

Accepted Answer

A) True 
 B)False

Question 7

The circular pigmented area of skin surrounding the nipple of the mammary gland is called the

Accepted Answer

A)  alveolus
B)  areola
C)  perineum
D)  fundus
E)  vulva

Question 8

Human gametes are produced using meiosis in order to reduce the number of chromosomes to half the number that the other cells have.

Accepted Answer

A) True 
 B)False

Question 9

In which of two labeled locations on the diagram would the steroid hormone called testosterone fit?

Accepted Answer

A)  B and C
B)  D and E
C)  D and F
D)  B and G
E)  E and F

Question 10

Human spermatids contain ___ chromosomes.

Accepted Answer

A)  16
B)  20
C)  23
D)  36
E)  46

Question 11

An excessively prolonged or profuse menstrual period is called menorrhagia.

Accepted Answer

A) True 
 B)False

Question 12

Amenorrhea and dysmenorrhea are medical terms that both mean lack of menstruation.

Accepted Answer

A) True 
 B)False

Question 13

Semen has a slightly alkaline pH.

Accepted Answer

A) True 
 B)False

Question 14

The initial secretion of estrogens by the growing ovarian follicles is directly stimulated by

Accepted Answer

A)  GnRH
B)  relaxin
C)  progesterone
D)  FSH
E)  LH

Question 15

All of the following structures are part of the penis EXCEPT the

Accepted Answer

A)  corpus spongiosum
B)  prepuce
C)  external urethral orifice
D)  glans penis
E)  ejaculatory duct

Question 16

Increased secretion of the hormone labeled _____ in the diagram stimulates the onset of puberty.

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  E

Question 17

All of the following are true for meiosis EXCEPT

Accepted Answer

A)  it occurs during spermatogenesis.
B)  it occurs during oogenesis.
C)  the daughter cells have only half the chromosomes of the parent cell.
D)  it is subdivided into meiosis I and meiosis II.
E)  it can be used to generate new spermatogonia.

Question 18

The region of a mature sperm cell that contains large numbers of mitochondria to produce ATP for locomotion is called the

Accepted Answer

A)  acrosome
B)  head
C)  end piece of tail
D)  middle piece of tail
E)  principal piece of tail

Question 19

The hormone that works with estrogen to prepare the endometrium for implantation of a fertilized egg is

Accepted Answer

A)  LH
B)  FSH
C)  prolactin
D)  progesterone
E)  relaxin

Question 20

Absence of menstruation is called

Accepted Answer

A)  menopause
B)  dysmenorrhea
C)  amenorrhea
D)  menarche
E)  menorrhagia

Exam 23: The Reproductive Systems

During the production of secondary oocytes by oogenesis, meiosis II is completed

Correct AnswerverifiedShow Answer

Human spermatids contain ___ chromosomes.

Correct AnswerverifiedShow Answer

The circular pigmented area of skin surrounding the nipple of the mammary gland is called the

Correct AnswerverifiedShow Answer

Increased secretion of the hormone labeled _____ in the diagram stimulates the onset of puberty.

Correct AnswerverifiedShow Answer

All of the following structures are part of the penis EXCEPT the

Correct AnswerverifiedShow Answer

The hormone that works with estrogen to prepare the endometrium for implantation of a fertilized egg is

Correct AnswerverifiedShow Answer

All of the following are true for meiosis EXCEPT

Correct AnswerverifiedShow Answer

The initial secretion of estrogens by the growing ovarian follicles is directly stimulated by

Correct AnswerverifiedShow Answer

Amenorrhea and dysmenorrhea are medical terms that both mean lack of menstruation.

Correct AnswerverifiedShow Answer

Semen has a slightly alkaline pH.

Correct AnswerverifiedShow Answer

Enzymes used by sperm cells to penetrate an ovum during fertilization are located in the

Correct AnswerverifiedShow Answer

An excessively prolonged or profuse menstrual period is called menorrhagia.

Correct AnswerverifiedShow Answer

The region of a mature sperm cell that contains large numbers of mitochondria to produce ATP for locomotion is called the

Correct AnswerverifiedShow Answer

Human gametes are produced using meiosis in order to reduce the number of chromosomes to half the number that the other cells have.

Correct AnswerverifiedShow Answer

The beginning of menstruation or the first menses in females is called

Correct AnswerverifiedShow Answer

During early fetal development, germ cells in the ovaries differentiate into oogonia.

Correct AnswerverifiedShow Answer

Approximately 60 percent of the volume of semen is produced by the

Correct AnswerverifiedShow Answer

Absence of menstruation is called

Correct AnswerverifiedShow Answer

In which of two labeled locations on the diagram would the steroid hormone called testosterone fit?

Correct AnswerverifiedShow Answer

The process of spermatogenesis occurs in the

Correct AnswerverifiedShow Answer

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