Question 1

How do birth control pills prevent fertilization?

Accepted Answer

A)  They alter the uterine environment so that sperm cannot survive.
B)  They prevent follicle development and ovulation.
C)  The provide hCG,indicating that fertilization has already occurred.
D)  They inhibit menstruation.
E)  They prevent implantation.F) A) and B)
G) B) and C)

Question 2

Which type of fish is likely to produce the smallest number of progeny from each mating?

Accepted Answer

A)  An oviparous species
B)  An ovoviparous species
C)  A viviparous speciesD) A) and C)
E) All of the above

Question 3

Your friend is an amateur aquarist learning to breed clownfish.She had one successful clutch of eggs,and moved the mother and fry with their anemone to a separate tank leaving only male fish behind.Now,she is surprised to find that a new female fish has appeared in the original tank.What is the most likely explanation for this?

Accepted Answer

A)  Some anemone species secrete pheromones that control the sex of fish as a way to regulate predation.Removal of the anemone allowed a new female to develop.
B)  In urban areas,tap water is polluted with contamination from endocrine disruptors such as BPA and PCBs.When she removed some of the tank water for the new tank,she should have replaced it with bottled water.
C)  Clownfish are protandrous hermaphrodites that respond to social cues.Removal of the dominant female allowed the second-largest fish to transform into a female.
D)  Clownfish synchronize their mating based on seasonal cues indicated by salinity.When she replaced some of the tank water,the lower salinity caused the fish to change into a female.E) A) and B)
F) A) and C)

Question 4

What term describes avoidance of reproduction without giving up sexual intercourse?

Accepted Answer

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

Question 5

Choose the letter of the best match from the following:
-Prevention of egg maturation and ovulation.

Accepted Answer

A)  birth control pill
B)  intrauterine device
C)  diaphragm
D)  foams and jellies
E)  vasectomyF) B) and D)
G) A) and D)

Question 6

In humans,which embryonic tissues are "indifferent"?

Accepted Answer

A)  the vertebral column
B)  the brain stem
C)  the adrenal gland
D)  the spinal cord
E)  the gonadsF) D) and E)
G) C) and D)

Question 7

What could be the result if somehow two follicles made it to the late tertiary stage and burst from the ovary?

Accepted Answer

A)  Nothing unusual -- this describes typical ovulation
B)  Excessively high estrogen levels,causing menstruation
C)  Permanent infertility
D)  TwinsE) None of the above
F) All of the above

Question 8

What stimulates ovulation?

Accepted Answer

A)  Estradiol
B)  FSH
C)  LH
D)  Testosterone
E)  ProgesteroneF) B) and D)
G) A) and E)

Question 9

-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) A) and B)
G) C) and D)

Question 10

Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development.In one strategy,the female retains the young which develop and obtain nourishment from the female's blood.What is this called?

Accepted Answer

A)  oviparity
B)  ovoviviparity
C)  viviparity
D)  protogyny
E)  protandryF) A) and E)
G) A) and B) C

Question 11

Even 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) B) and D)
G) All of the above

Question 12

-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) A) and B)
G) A) and C)

Question 13

Select the correct statement regarding the human female reproductive system.

Accepted Answer

A)  The ovarian fimbria is the functional unit of the ovary.
B)  The granulosa cells secrete testosterone,which triggers menarche.
C)  The Fallopian tubes transport ova from the ovary to the uterus.
D)  The cervix contains corpora cavernosa tissue,which is a type of erectile tissue.
E)  The uterus is lined with granulosa cells.F) A) and E)
G) A) and B)

Question 14

Choose the letter of the best match from the following:
-Sperm blockage.

Accepted Answer

A)  birth control pill
B)  intrauterine device
C)  diaphragm
D)  foams and jellies
E)  vasectomyF) A) and B)
G) A) and E)

Question 15

Internally fertilized organisms can either be born alive,or emerge from what structures?

Accepted Answer

A)  follicles
B)  ducts
C)  capsules
D)  eggsE) None of the above
F) C) and D) D

Question 16

Choose the letter of the best match from the following:
-Surgical intervention.

Accepted Answer

A)  birth control pill
B)  intrauterine device
C)  diaphragm
D)  foams and jellies
E)  vasectomyF) All of the above
G) B) and C)

Question 17

Ovoviviparity is found in

Accepted Answer

A)  reptiles.
B)  birds.
C)  mammals.
D)  mollies and guppies.
E)  marsupials.F) B) and E)
G) A) and B)

Question 18

What completes the preparation of the uterus for pregnancy?

Accepted Answer

A)  FSH
B)  LH
C)  Testosterone
D)  Progesterone
E)  ProlactinF) B) and E)
G) A) and D)

Question 19

The sperm head encloses a compact nucleus and is capped by a vesicle called what?

Accepted Answer

A)  Sertoli cell
B)  flagellum
C)  acrosome
D)  vas deferens
E)  epididymisF) C) and E)
G) A) and D) C

Question 20

Choose the letter of the best match from the following:
-Prevention of embryo implantation.

Accepted Answer

A)  birth control pill
B)  intrauterine device
C)  diaphragm
D)  foams and jellies
E)  vasectomyF) C) and D)
G) B) and D)

Exam 51: The Reproductive System

How do birth control pills prevent fertilization?

Correct Answer
verified

Which type of fish is likely to produce the smallest number of progeny from each mating?

Correct Answer
verified

Correct Answer
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What term describes avoidance of reproduction without giving up sexual intercourse?

Correct Answer
verified

Choose the letter of the best match from the following: -Prevention of egg maturation and ovulation.

Correct Answer
verified

In humans,which embryonic tissues are "indifferent"?

Correct Answer
verified

What could be the result if somehow two follicles made it to the late tertiary stage and burst from the ovary?

Correct Answer
verified

What stimulates ovulation?

Correct Answer
verified

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

Correct Answer
verified

Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development.In one strategy,the female retains the young which develop and obtain nourishment from the female's blood.What is this called?

Correct Answer
verified
C

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

Correct Answer
verified

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

Correct Answer
verified

Select the correct statement regarding the human female reproductive system.

Correct Answer
verified

Choose the letter of the best match from the following: -Sperm blockage.

Correct Answer
verified

Internally fertilized organisms can either be born alive,or emerge from what structures?

Correct Answer
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D

Choose the letter of the best match from the following: -Surgical intervention.

Correct Answer
verified

Ovoviviparity is found in

Correct Answer
verified

What completes the preparation of the uterus for pregnancy?

Correct Answer
verified

The sperm head encloses a compact nucleus and is capped by a vesicle called what?

Correct Answer
verified
C

Choose the letter of the best match from the following: -Prevention of embryo implantation.

Correct Answer
verified

Exam 51: The Reproductive System

How do birth control pills prevent fertilization?

Correct AnswerverifiedShow Answer

Which type of fish is likely to produce the smallest number of progeny from each mating?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What term describes avoidance of reproduction without giving up sexual intercourse?

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Prevention of egg maturation and ovulation.

Correct AnswerverifiedShow Answer

In humans,which embryonic tissues are "indifferent"?

Correct AnswerverifiedShow Answer

What could be the result if somehow two follicles made it to the late tertiary stage and burst from the ovary?

Correct AnswerverifiedShow Answer

What stimulates ovulation?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Vertebrates that practice internal fertilization employ three strategies for embryonic and fetal development.In one strategy,the female retains the young which develop and obtain nourishment from the female's blood.What is this called?

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Select the correct statement regarding the human female reproductive system.

Correct AnswerverifiedShow Answer

Choose the letter of the best match from the following: -Sperm blockage.

Correct AnswerverifiedShow Answer

Internally fertilized organisms can either be born alive,or emerge from what structures?

Correct AnswerverifiedD

Choose the letter of the best match from the following: -Surgical intervention.

Correct AnswerverifiedShow Answer

Ovoviviparity is found in

Correct AnswerverifiedShow Answer

What completes the preparation of the uterus for pregnancy?

Correct AnswerverifiedShow Answer

The sperm head encloses a compact nucleus and is capped by a vesicle called what?

Correct AnswerverifiedC

Choose the letter of the best match from the following: -Prevention of embryo implantation.

Correct AnswerverifiedShow Answer

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C

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D

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C

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