Question 1

In female humans,what is the function of LH?

Accepted Answer

A)  it stimulates the releases of GnRH from the adrenal cortex 
B)  it stimulates the maturation of ovarian follicles 
C)  it stimulates cells in the follicle to secrete estrogens 
D)  it encourages the completion of meiosis I and cytoplasmic division 
E)  LH functions to do more than one of these 
A)  it stimulates the releases of GnRH from the adrenal cortex 
B)  it stimulates the maturation of ovarian follicles 
C)  it stimulates cells in the follicle to secrete estrogens 
D)  it encourages the completion of meiosis I and cytoplasmic division 
E)  LH functions to do more than one of these

Question 2

The membrane that contacts the endometrium of the uterus is the

Accepted Answer

A)  amnion. 
B)  allantois. 
C)  chorion. 
D)  yolk sac. 
E)  umbilical cord. 
A)  amnion. 
B)  allantois. 
C)  chorion. 
D)  yolk sac. 
E)  umbilical cord.

Question 3

Gastrulation produces

Accepted Answer

A)  hollow balls of cells. 
B)  embryos with germ layers. 
C)  solid balls of cells. 
D)  maternal messages. 
E)  yolk. 
A)  hollow balls of cells. 
B)  embryos with germ layers. 
C)  solid balls of cells. 
D)  maternal messages. 
E)  yolk.

Question 4

Classification.Answer the questions in reference to the five stages of sperm development listed below.
a.male germ cells
b.secondary spermatocyte
c.primary spermatocyte
d.immature sperm
e.sperm
-This continues to undergo mitosis throughout the reproductive life of the male.

Accepted Answer

The answer of Classification.Answer the questions in reference to the...

Question 5

What is the function of a polar body?

Accepted Answer

A)  it directs sperm to the urethra 
B)  it provides nourishment to the developing oocyte 
C)  it serves as a nurse cell to spermatids 
D)  it may become a functional oocyte 
E)  it has no function 
A)  it directs sperm to the urethra 
B)  it provides nourishment to the developing oocyte 
C)  it serves as a nurse cell to spermatids 
D)  it may become a functional oocyte 
E)  it has no function

Question 6

The penis and the ___ develop from the same embryonic tissue.

Accepted Answer

A)  vagina 
B)  vulva 
C)  oviduct 
D)  uterus 
E)  clitoris 
A)  vagina 
B)  vulva 
C)  oviduct 
D)  uterus 
E)  clitoris

Question 7

Three of the four answers listed below are related by a common location.Select the EXCEPTION.

Accepted Answer

A)  follicle 
B)  corpus luteum 
C)  cervix 
D)  egg 
A)  follicle 
B)  corpus luteum 
C)  cervix 
D)  egg

Question 8

Four of the five answers listed below are related by a common quality.Select the EXCEPTION.

Accepted Answer

A)  urethra 
B)  testis 
C)  ejaculatory duct 
D)  vas deferens 
E)  epididymis 
A)  urethra 
B)  testis 
C)  ejaculatory duct 
D)  vas deferens 
E)  epididymis

Question 9

Approximately,what percent of unplanned pregnancies end in induced abortions?

Accepted Answer

A)  5 
B)  25 
C)  50 
D)  75 
E)  90 
A)  5 
B)  25 
C)  50 
D)  75 
E)  90

Question 10

The most common STD in the United States is caused by

Accepted Answer

A)  a protozoan. 
B)  a bacterium. 
C)  a fungus. 
D)  a virus. 
E)  unprotected sex. 
A)  a protozoan. 
B)  a bacterium. 
C)  a fungus. 
D)  a virus. 
E)  unprotected sex.

Question 11

After gastrulation the next event in human embryo formation is

Accepted Answer

A)  formation of the bones. 
B)  formation of the neural tube. 
C)  the heart begins to beat. 
D)  pharyngeal arches form. 
E)  apotosis between fingers and toes begins. 
A)  formation of the bones. 
B)  formation of the neural tube. 
C)  the heart begins to beat. 
D)  pharyngeal arches form. 
E)  apotosis between fingers and toes begins.

Question 12

Which of the following is NOT directly required for successful reproduction?

Accepted Answer

A)  ovary 
B)  oviduct 
C)  clitoris 
D)  vagina 
E)  uterus 
A)  ovary 
B)  oviduct 
C)  clitoris 
D)  vagina 
E)  uterus

Question 13

The germ layers are formed in which of the following stages?

Accepted Answer

A)  cleavage 
B)  meiosis 
C)  gastrulation 
D)  zygote formation 
E)  blastula formation 
A)  cleavage 
B)  meiosis 
C)  gastrulation 
D)  zygote formation 
E)  blastula formation

Question 14

Inside of the penis there are ____ cylinders of spongy tissue.

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  none of these 
A)  one 
B)  two 
C)  three 
D)  four 
E)  none of these

Question 15

Severe neural tube defects in the embryo can be mostly avoided if the mother takes vitamin

Accepted Answer

A)  D. 
B)  Bs. 
C)  C. 
D)  E. 
E)  K. 
A)  D. 
B)  Bs. 
C)  C. 
D)  E. 
E)  K.

Question 16

If the vas deferens tubes are cut and tied (vasectomy),the semen will not contain

Accepted Answer

A)  fructose. 
B)  buffers. 
C)  mucus. 
D)  sperm. 
E)  any of these. 
A)  fructose. 
B)  buffers. 
C)  mucus. 
D)  sperm. 
E)  any of these.

Question 17

Which of the following should a pregnant woman avoid as to not bring harm to her child?

Accepted Answer

A)  cat feces 
B)  alcohol 
C)  smoking 
D)  accutane 
E)  a pregnant woman should avoid all of these as to not bring harm to her child 
A)  cat feces 
B)  alcohol 
C)  smoking 
D)  accutane 
E)  a pregnant woman should avoid all of these as to not bring harm to her child

Question 18

Which of the following is NOT correct concerning a tubal pregnancy?

Accepted Answer

A)  they can be caused by endometriosis 
B)  they can threaten the life of the mother 
C)  they can be caused by STDs 
D)  fetuses that come to term must be delivered by Caesarian section 
E)  all of these are true concerning a tubal pregnancy 
A)  they can be caused by endometriosis 
B)  they can threaten the life of the mother 
C)  they can be caused by STDs 
D)  fetuses that come to term must be delivered by Caesarian section 
E)  all of these are true concerning a tubal pregnancy

Question 19

Match the hormone with its description.
a.LH
b.FSH
c.GnRH
d.HCG
e.progesterone
f.estrogens
-secreted by the hypothalamus,this hormone stimulates the release of LH and FSH

Accepted Answer

The answer of Match the hormone with its description.
a.LH
b.FSH
c.GnRH
d.HCG
e.progesterone
f.estrogens
-secreted by...

Question 20

By the end of the fourth week the embryo is ____ times larger than its starting size.

Accepted Answer

A)  100 
B)  200 
C)  300 
D)  400 
E)  500 
A)  100 
B)  200 
C)  300 
D)  400 
E)  500

Exam 26: Reproduction and Development

In female humans,what is the function of LH?

The membrane that contacts the endometrium of the uterus is the

Gastrulation produces

Classification.Answer the questions in reference to the five stages of sperm development listed below. a.male germ cells b.secondary spermatocyte c.primary spermatocyte d.immature sperm e.sperm -This continues to undergo mitosis throughout the reproductive life of the male.

What is the function of a polar body?

The penis and the ___ develop from the same embryonic tissue.

Three of the four answers listed below are related by a common location.Select the EXCEPTION.

Four of the five answers listed below are related by a common quality.Select the EXCEPTION.

Approximately,what percent of unplanned pregnancies end in induced abortions?

The most common STD in the United States is caused by

After gastrulation the next event in human embryo formation is

Which of the following is NOT directly required for successful reproduction?

The germ layers are formed in which of the following stages?

Inside of the penis there are ____ cylinders of spongy tissue.

Severe neural tube defects in the embryo can be mostly avoided if the mother takes vitamin

If the vas deferens tubes are cut and tied (vasectomy),the semen will not contain

Which of the following should a pregnant woman avoid as to not bring harm to her child?

Which of the following is NOT correct concerning a tubal pregnancy?

Match the hormone with its description. a.LH b.FSH c.GnRH d.HCG e.progesterone f.estrogens -secreted by the hypothalamus,this hormone stimulates the release of LH and FSH

By the end of the fourth week the embryo is ____ times larger than its starting size.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Plant Form and Function

Plant Reproduction and Development

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