Question 1

In humans,which embryonic tissues are "indifferent"?

Accepted Answer

A)  vertebral columns
B)  brain stems
C)  adrenal glands
D)  spinal cords
E)  gonadsF) B) and C)
G) A) and C)

Question 2

All of the following are male accessory organs except the

Accepted Answer

A)  epididymis.
B)  vas deferens.
C)  prostate gland.
D)  Fallopian tube.
E)  seminal vesicles.F) A) and B)
G) B) and E)

Question 3

The hormones involved in the estrous cycle are

Accepted Answer

A)  FSH.
B)  LH.
C)  MSH.
D)  FSH and LH.
E)  LS and MSH.F) B) and D)
G) B) and C)

Question 4

Which of the following is the area where sperm develop their motility?

Accepted Answer

A)  seminal vesicle
B)  seminiferous tubules
C)  epididymis
D)  vas deferens
E)  acrosomeF) B) and D)
G) All of the above

Question 5

The avoidance of reproduction without giving up sexual intercourse is known as __________.

Accepted Answer

A)  abstinence
B)  the rhythm method
C)  asexual reproduction
D)  contraceptionE) B) and D)
F) C) and D)

Question 6

This process is absent in mammals with an estrous cycle.

Accepted Answer

A)  oogenesis
B)  homeostasis
C)  ovulation
D)  menstruation
E)  placenta formationF) A) and E)
G) None of the above

Question 7

The hormone assayed in the pregnancy tests is

Accepted Answer

A)  LH.
B)  FSH.
C)  estrogen.
D)  progesterone.
E)  hCG.F) B) and D)
G) None of the above

Question 8

According to the figure,what is the only hormone that doesn't peak during ovulation?

Accepted Answer

A)  progesterone
B)  FSH
C)  LH
D)  estrogen
E)  all female reproductive hormones peak at ovulationF) All of the above
G) A) and B)

Question 9

If utilized properly,what is the least effective means of birth control?

Accepted Answer

A)  oral contraceptive
B)  condom
C)  foam
D)  IUD
E)  implantF) A) and B)
G) B) and E)

Question 10

Which of the following is not correctly matched in their modes of reproduction?

Accepted Answer

A)  protists-fission
B)  humans-parthenogenesis/internal reproduction
C)  cnideria-budding
D)  tape worm-hermaphroditism
E)  bees-parthenogenesis/internal reproductionF) B) and D)
G) A) and C)

Question 11

Select the item that is not common among reptile and bird eggs.

Accepted Answer

A)  amnion
B)  incubation temperature
C)  calcareous shell
D)  yolk sac
E)  allantoisF) B) and C)
G) A) and E)

Question 12

The scrotum,the inguinal canal outside the abdomen in which the testes are suspended,is essential in the males of mammals because

Accepted Answer

A)  sperm must be closer to the penis to be ejaculated.
B)  there is not enough space in the abdomen to grow properly.
C)  lower temperature is required for normal development of sperm.
D)  there is too much hormonal influence if they remain in the abdomen.
E)  all of thesE.F) A) and B)
G) A) and C)

Question 13

Birth control pills prevent fertilization by

Accepted Answer

A)  altering the uterine environment so that sperm cannot survive.
B)  preventing follicle development and ovulation.
C)  providing hormonal signals that fertilization has already occurred.
D)  inhibiting menstruation.
E)  preventing implantation.F) C) and D)
G) A) and B)

Question 14

According to the figure,what is occurring during day 2?

Accepted Answer

A)  ovulation
B)  release of corpus luteum
C)  menstruation
D)  luteal regression
E)  copulationF) B) and C)
G) B) and E)

Question 15

The most primitive mammals incubate their eggs in a nest and the young hatchlings obtain their milk by licking the mammary glands.These are called

Accepted Answer

A)  monotremes.
B)  marsupials.
C)  apes.
D)  opossums.
E)  kangaroos.F) A) and B)
G) All of the above

Question 16

Choose the correct statement regarding estrous and menstrual cycles.

Accepted Answer

A)  Animals with estrous cycles ovulate only after copulation.
B)  Menstrual cycles are longer than estrous cycles.
C)  Copulation can only occur during ovulation in the menstrual cycle.
D)  The lining of the uterus is shed during menstruation and estrous.
E)  Ovulation only occurs during the menstrual cyclE.F) None of the above
G) B) and D)

Question 17

The embryos of placental mammals

Accepted Answer

A)  are born immediately after fertilization.
B)  develop inside a leathery shell.
C)  complete development in a pouch.
D)  hatch from an internal egg.
E)  are totally dependent on the mother for complete development.F) All of the above
G) A) and B)

Exam 53: The Reproductive System

The embryos of placental mammals

Correct Answer
verified

Birth control pills prevent fertilization by

Correct Answer
verified

According to the figure,what is the only hormone that doesn't peak during ovulation?

Correct Answer
verified

The scrotum,the inguinal canal outside the abdomen in which the testes are suspended,is essential in the males of mammals because

Correct Answer
verified

Which of the following is not correctly matched in their modes of reproduction?

Correct Answer
verified

If utilized properly,what is the least effective means of birth control?

Correct Answer
verified

The avoidance of reproduction without giving up sexual intercourse is known as __________.

Correct Answer
verified

The most primitive mammals incubate their eggs in a nest and the young hatchlings obtain their milk by licking the mammary glands.These are called

Correct Answer
verified

The hormones involved in the estrous cycle are

Correct Answer
verified

The hormone assayed in the pregnancy tests is

Correct Answer
verified

All of the following are male accessory organs except the

Correct Answer
verified

According to the figure,what is occurring during day 2?

Correct Answer
verified

In humans,which embryonic tissues are "indifferent"?

Correct Answer
verified

Choose the correct statement regarding estrous and menstrual cycles.

Correct Answer
verified

Which of the following is the area where sperm develop their motility?

Correct Answer
verified

This process is absent in mammals with an estrous cycle.

Correct Answer
verified

Select the item that is not common among reptile and bird eggs.

Correct Answer
verified

Exam 53: The Reproductive System

The embryos of placental mammals

Correct AnswerverifiedShow Answer

Birth control pills prevent fertilization by

Correct AnswerverifiedShow Answer

According to the figure,what is the only hormone that doesn't peak during ovulation?

Correct AnswerverifiedShow Answer

The scrotum,the inguinal canal outside the abdomen in which the testes are suspended,is essential in the males of mammals because

Correct AnswerverifiedShow Answer

Which of the following is not correctly matched in their modes of reproduction?

Correct AnswerverifiedShow Answer

If utilized properly,what is the least effective means of birth control?

Correct AnswerverifiedShow Answer

The avoidance of reproduction without giving up sexual intercourse is known as __________.

Correct AnswerverifiedShow Answer

The most primitive mammals incubate their eggs in a nest and the young hatchlings obtain their milk by licking the mammary glands.These are called

Correct AnswerverifiedShow Answer

The hormones involved in the estrous cycle are

Correct AnswerverifiedShow Answer

The hormone assayed in the pregnancy tests is

Correct AnswerverifiedShow Answer

All of the following are male accessory organs except the

Correct AnswerverifiedShow Answer

According to the figure,what is occurring during day 2?

Correct AnswerverifiedShow Answer

In humans,which embryonic tissues are "indifferent"?

Correct AnswerverifiedShow Answer

Choose the correct statement regarding estrous and menstrual cycles.

Correct AnswerverifiedShow Answer

Which of the following is the area where sperm develop their motility?

Correct AnswerverifiedShow Answer

This process is absent in mammals with an estrous cycle.

Correct AnswerverifiedShow Answer

Select the item that is not common among reptile and bird eggs.

Correct AnswerverifiedShow Answer

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