Question 1

The ovarian cycle prepares the uterus for pregnancy.

Accepted Answer

A) True 
 B)False

Question 2

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because the synthetic steroids cause which of the following?

Accepted Answer

A)  A decrease in FSH and LH production
B)  An increase in FSH and LH production
C)  A decrease in FSH and an increase in LH production
D)  An increase in FSH and a decrease in LH productionE) None of the above
F) A) and D)

Question 3

The intake of alcohol,cigarette smoking,and insufficient vitamin intake may all cause birth defects in a developing fetus.

Accepted Answer

A) True 
 B)False

Question 4

When a female cuttlefish accepts a male's mating attempt,the two animals align head-to-head,and he inserts a sperm packet into a pouch near her mouth.This is an example of ____.

Accepted Answer

A)  Sexual internal fertilization
B)  Sexual external fertilization
C)  Asexual internal fertilization
D)  Asexual external fertilization
E)  Hermaphroditic fertilizationF) B) and E)
G) A) and E)

Question 5

The process that unites the male gametes with the female gametes in organisms that reproduce sexually is termed:

Accepted Answer

A)  Conjugation
B)  Fertilization
C)  Crossing over
D)  Gastrulation
E)  RecombinationF) A) and B)
G) A) and C)

Question 6

The menstrual cycle controls the timing of oocyte maturation in the ovaries.

Accepted Answer

A) True 
 B)False

Question 7

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because of negative feedback on which of the following?

Accepted Answer

A)  The epididymis
B)  The testes
C)  The vas deferens
D)  The prostate
E)  The hypothalamusF) C) and E)
G) A) and D)

Question 8

The hormone that is the basis of most pregnancy tests is:

Accepted Answer

A)  Follicle stimulating hormone
B)  Luteinizing hormone
C)  Human chorionic gonadotropin
D)  Estrogen
E)  ProgesteroneF) A) and D)
G) B) and E)

Question 9

The trophoblast secretes enzymes that aid in its implantation into the uterine lining and sends out fingerlike projections into the uterine lining.

Accepted Answer

A) True 
 B)False

Question 10

A diaphragm is a shallow,dome-shaped rubber disk with a flexible rim that fits within the vagina and covers the cervix.How does this act as a contraceptive to prevent pregnancy?

Accepted Answer

A)  It would prevent sperm from reaching the egg
B)  It would prevent ovulation
C)  It would cause the embryo to die
D)  It would prevent implantation on the uterine wall
E)  If would act as a spermicide, killing spermF) A) and B)
G) None of the above

Question 11

figure 34.25 
-In figure 34.25,what is the dependent variable?

Accepted Answer

A)  How long a male guarded a female
B)  If a male acted as a female
C)  If a male removed the sperm packet that other males had implanted into a female
D)  How successful a male was at fertilizing a female
E)  The size of the maleF) B) and E)
G) A) and E)

Question 12

After cleavage,the solid ball of 16 or more cells resembling a mulberry that forms is the:

Accepted Answer

A)  Blastocyst
B)  Gastrula
C)  Morula
D)  Embryonic disc
E)  AmnionF) B) and C)
G) A) and B)

Question 13

The muscular sac-like organ of the human female in which the fetus develops is the:

Accepted Answer

A)  Ovary
B)  Pubic symphysis
C)  Vagina
D)  Uterus
E)  VulvaF) B) and C)
G) B) and E)

Question 14

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.Why is it important for the menstrual cycle to be blocked during a pregnancy?

Accepted Answer

A)  To prevent additional fertilizations
B)  To conserve eggs
C)  To avoid having twins
D)  To prevent the blastocyst from being lost
E)  To prevent the loss of the corpus luteumF) A) and E)
G) A) and D)

Question 15

If a woman does not know she is pregnant,and undergoes a diagnostic medical procedure involving exposure of her abdomen to radiation,the developing baby may be at risk.Why would the risk of birth defects be highest if the woman received the radiation during weeks 2-8 of her pregnancy?

Accepted Answer

A)  Organs first begin to develop during the pre-embryonic stage
B)  Organs first begin to develop during the embryonic stage
C)  Organs first begin to develop during the fetal stage
D)  Organs first begin to develop during the zygotic stage
E)  Organs first begin to develop during the morula stageF) A) and E)
G) B) and D)

Question 16

figure 34.13 
-Based on figure 34.13,who is at the highest risk of contracting a sexually transmitted disease?

Accepted Answer

A)  Males
B)  Both have the same risk
C)  FemalesD) A) and B)
E) All of the above

Question 17

When sperm production is too high,sustentacular cells release into the blood stream a hormone called inhibin which blocks additional release of FSH from the pituitary.This is an example of positive feedback.

Accepted Answer

A) True 
 B)False

Question 18

On July 25,1978,Louise Joy Brown,the world's first successful test-tube baby was born.Today,nearly 1% of all births in the U.S.start in the laboratory.Babies conceived through IVF are twice as likely to be born prematurely,but do not show any increase in major birth malformations,cancer,or abnormal psychological development.What is the best explanation for the lack of birth defects in IVF babies?

Accepted Answer

A)  They are implanted while in the embryonic period
B)  They are implanted while in the fetal period
C)  They are implanted while in the preembryonic period
D)  They are grown in the laboratory until they are a full grown baby
E)  They are grown in the lab until they are a viable fetusF) A) and C)
G) B) and D)

Question 19

In the male,the tube that extends the length of the penis and carries semen out of the body is the:

Accepted Answer

A)  Ejaculatory duct
B)  Ureter
C)  Urethra
D)  Seminiferous tubule
E)  Vas deferensF) A) and C)
G) B) and E)

Exam 34: Animal Reproduction and Development

A diaphragm is a shallow,dome-shaped rubber disk with a flexible rim that fits within the vagina and covers the cervix.How does this act as a contraceptive to prevent pregnancy?

Correct Answer
verified

When sperm production is too high,sustentacular cells release into the blood stream a hormone called inhibin which blocks additional release of FSH from the pituitary.This is an example of positive feedback.

Correct Answer
verified

Correct Answer
verified

The trophoblast secretes enzymes that aid in its implantation into the uterine lining and sends out fingerlike projections into the uterine lining.

Correct Answer
verified

The hormone that is the basis of most pregnancy tests is:

Correct Answer
verified

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because the synthetic steroids cause which of the following?

Correct Answer
verified

The intake of alcohol,cigarette smoking,and insufficient vitamin intake may all cause birth defects in a developing fetus.

Correct Answer
verified

The muscular sac-like organ of the human female in which the fetus develops is the:

Correct Answer
verified

The ovarian cycle prepares the uterus for pregnancy.

Correct Answer
verified

figure 34.25 -In figure 34.25,what is the dependent variable?

Correct Answer
verified

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.Why is it important for the menstrual cycle to be blocked during a pregnancy?

Correct Answer
verified

After cleavage,the solid ball of 16 or more cells resembling a mulberry that forms is the:

Correct Answer
verified

If a woman does not know she is pregnant,and undergoes a diagnostic medical procedure involving exposure of her abdomen to radiation,the developing baby may be at risk.Why would the risk of birth defects be highest if the woman received the radiation during weeks 2-8 of her pregnancy?

Correct Answer
verified

The menstrual cycle controls the timing of oocyte maturation in the ovaries.

Correct Answer
verified

In the male,the tube that extends the length of the penis and carries semen out of the body is the:

Correct Answer
verified

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because of negative feedback on which of the following?

Correct Answer
verified

The process that unites the male gametes with the female gametes in organisms that reproduce sexually is termed:

Correct Answer
verified

figure 34.13 -Based on figure 34.13,who is at the highest risk of contracting a sexually transmitted disease?

Correct Answer
verified

When a female cuttlefish accepts a male's mating attempt,the two animals align head-to-head,and he inserts a sperm packet into a pouch near her mouth.This is an example of ____.

Correct Answer
verified

Exam 34: Animal Reproduction and Development

A diaphragm is a shallow,dome-shaped rubber disk with a flexible rim that fits within the vagina and covers the cervix.How does this act as a contraceptive to prevent pregnancy?

Correct AnswerverifiedShow Answer

When sperm production is too high,sustentacular cells release into the blood stream a hormone called inhibin which blocks additional release of FSH from the pituitary.This is an example of positive feedback.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The trophoblast secretes enzymes that aid in its implantation into the uterine lining and sends out fingerlike projections into the uterine lining.

Correct AnswerverifiedShow Answer

The hormone that is the basis of most pregnancy tests is:

Correct AnswerverifiedShow Answer

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because the synthetic steroids cause which of the following?

Correct AnswerverifiedShow Answer

The intake of alcohol,cigarette smoking,and insufficient vitamin intake may all cause birth defects in a developing fetus.

Correct AnswerverifiedShow Answer

The muscular sac-like organ of the human female in which the fetus develops is the:

Correct AnswerverifiedShow Answer

The ovarian cycle prepares the uterus for pregnancy.

Correct AnswerverifiedShow Answer

figure 34.25 -In figure 34.25,what is the dependent variable?

Correct AnswerverifiedShow Answer

Often a woman may first suspect she is pregnant when she misses a period or menstrual cycle.Why is it important for the menstrual cycle to be blocked during a pregnancy?

Correct AnswerverifiedShow Answer

After cleavage,the solid ball of 16 or more cells resembling a mulberry that forms is the:

Correct AnswerverifiedShow Answer

If a woman does not know she is pregnant,and undergoes a diagnostic medical procedure involving exposure of her abdomen to radiation,the developing baby may be at risk.Why would the risk of birth defects be highest if the woman received the radiation during weeks 2-8 of her pregnancy?

Correct AnswerverifiedShow Answer

The menstrual cycle controls the timing of oocyte maturation in the ovaries.

Correct AnswerverifiedShow Answer

In the male,the tube that extends the length of the penis and carries semen out of the body is the:

Correct AnswerverifiedShow Answer

Athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because of negative feedback on which of the following?

Correct AnswerverifiedShow Answer

The process that unites the male gametes with the female gametes in organisms that reproduce sexually is termed:

Correct AnswerverifiedShow Answer

figure 34.13 -Based on figure 34.13,who is at the highest risk of contracting a sexually transmitted disease?

Correct AnswerverifiedShow Answer

When a female cuttlefish accepts a male's mating attempt,the two animals align head-to-head,and he inserts a sperm packet into a pouch near her mouth.This is an example of ____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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