Question 1

During pregnancy,the levels of CRH and aldosterone within a mother's blood decline.

Accepted Answer

A) True 
 B)False

Question 2

The process by which the three primary germ layers are formed during the third week of development is known as __________.

Accepted Answer

The answer of The process by which the three primary...

Question 3

What is the approximate duration of the fetal period of development

Accepted Answer

A)  4 weeks
B)  12 weeks
C)  29 weeks
D)  39 weeksE) B) and C)
F) C) and D)

Question 4

Presence of hCG in a woman's urine indicates that she is pregnant.

Accepted Answer

A) True 
 B)False

Question 5

Difficulty with breathing that may accompany physical exertions of a pregnant woman is called __________.

Accepted Answer

The answer of Difficulty with breathing that may accompany physical...

Question 6

Shortly after birth,the foramen ovale of the fetal heart ceases to function as an open pathway for blood.

Accepted Answer

A) True 
 B)False

Question 7

Progesterone makes the uterine myometrium more irritable.

Accepted Answer

A) True 
 B)False

Question 8

Substances that can cause birth defects or the death of the embryo are referred to as __________.

Accepted Answer

The answer of Substances that can cause birth defects or...

Question 9

Breast milk contains large amounts of vitamin
D.

Accepted Answer

A) True 
 B)False

Question 10

Within the bilaminar germinal disc,the layer of columnar cells that is adjacent to the amniotic cavity is the _________ layer.

Accepted Answer

The answer of Within the bilaminar germinal disc,the layer of...

Question 11

In nonpregnant women,____________ inhibits secretion of substantial amounts of prolactin.

Accepted Answer

A)  GnRH
B)  dopamine
C)  estrogen
D)  progesteroneE) A) and B)
F) A) and C)

Question 12

Which is the larger of the sex chromosomes and is more commonly involved in sex-linked inheritance

Accepted Answer

A)  The X chromosome
B)  The Y chromosomeC) A) and B)
D) undefined

Question 13

By the 4th month of pregnancy,the fundus of the uterus is located inches below the ________ and by the ninth month it is located at the level of the ____________.

Accepted Answer

A)  urinary bladder;umbilicus
B)  umbilicus;xiphoid process
C)  diaphragm;laryngeal prominence
D)  pubic symphysis;heartE) B) and D)
F) All of the above

Question 14

Changes in the size of the uterus during pregnancy are due to

Accepted Answer

A)  hypertrophy but not hyperplasia.
B)  hyperplasia but not hypertrophy.
C)  both hypertrophy and hyperplasia.D) None of the above
E) All of the above

Question 15

At the start of gastrulation,a long,thin depression known as the primitive __________ forms on the surface of the epiblast.

Accepted Answer

A)  furrow
B)  node
C)  streak
D)  groove
E)  yolkF) A) and B)
G) A) and E)

Question 16

After childbirth,a woman's aldosterone levels ________ which results in _________ urine volume.

Accepted Answer

A)  increase;increased
B)  increase;decreased
C)  decrease;decreased
D)  decrease;increasedE) A) and B)
F) A) and C)

Question 17

Hormonal and neural changes during pregnancy function to facilitate diffusion of gases across the placenta.One way this occurs is by _________ respiration rate,thereby __________ CO2levels in the blood.

Accepted Answer

A)  increasing;raising
B)  increasing;lowering
C)  decreasing;raising
D)  decreasing;loweringE) B) and C)
F) B) and D)

Question 18

Neurulation is the development of the nervous system from the

Accepted Answer

A)  endoderm.
B)  mesoderm.
C)  ectoderm.
D)  hypoderm.E) A) and C)
F) A) and B)

Question 19

Which structure develops directly into a bilaminar germinal disc

Accepted Answer

A)  Trophoblast
B)  Embryoblast
C)  Morula
D)  CytotrophoblastE) C) and D)
F) A) and D)

Question 20

Compared to breast milk,colostrum contains

Accepted Answer

A)  more fat and more immunoglobulins.
B)  more fat but less immunoglobulins.
C)  less fat but more immunoglobulins.
D)  less fat and less immunoglobulins.E) B) and D)
F) B) and C)

Exam 29: Development,Pregnancy,and Heredity

Difficulty with breathing that may accompany physical exertions of a pregnant woman is called __________.

Correct AnswerverifiedShow Answer

Breast milk contains large amounts of vitamin D.

Correct AnswerverifiedShow Answer

Hormonal and neural changes during pregnancy function to facilitate diffusion of gases across the placenta.One way this occurs is by _________ respiration rate,thereby __________ CO2levels in the blood.

Correct AnswerverifiedShow Answer

Shortly after birth,the foramen ovale of the fetal heart ceases to function as an open pathway for blood.

Correct AnswerverifiedShow Answer

During pregnancy,the levels of CRH and aldosterone within a mother's blood decline.

Correct AnswerverifiedShow Answer

Which structure develops directly into a bilaminar germinal disc

Correct AnswerverifiedShow Answer

Presence of hCG in a woman's urine indicates that she is pregnant.

Correct AnswerverifiedShow Answer

The process by which the three primary germ layers are formed during the third week of development is known as __________.

Correct AnswerverifiedShow Answer

After childbirth,a woman's aldosterone levels ________ which results in _________ urine volume.

Correct AnswerverifiedShow Answer

Compared to breast milk,colostrum contains

Correct AnswerverifiedShow Answer

At the start of gastrulation,a long,thin depression known as the primitive __________ forms on the surface of the epiblast.

Correct AnswerverifiedShow Answer

Which is the larger of the sex chromosomes and is more commonly involved in sex-linked inheritance

Correct AnswerverifiedShow Answer

What is the approximate duration of the fetal period of development

Correct AnswerverifiedShow Answer

Changes in the size of the uterus during pregnancy are due to

Correct AnswerverifiedShow Answer

Neurulation is the development of the nervous system from the

Correct AnswerverifiedShow Answer

Substances that can cause birth defects or the death of the embryo are referred to as __________.

Correct AnswerverifiedShow Answer

Progesterone makes the uterine myometrium more irritable.

Correct AnswerverifiedShow Answer

Within the bilaminar germinal disc,the layer of columnar cells that is adjacent to the amniotic cavity is the _________ layer.

Correct AnswerverifiedShow Answer

By the 4th month of pregnancy,the fundus of the uterus is located inches below the ________ and by the ninth month it is located at the level of the ____________.

Correct AnswerverifiedShow Answer

In nonpregnant women,____________ inhibits secretion of substantial amounts of prolactin.

Correct AnswerverifiedShow Answer

Correct Answer
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Hormonal and neural changes during pregnancy function to facilitate diffusion of gases across the placenta.One way this occurs is by _ respiration rate,thereby __ CO₂levels in the blood.

Correct Answer
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After childbirth,a woman's aldosterone levels which results in _ urine volume.

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By the 4th month of pregnancy,the fundus of the uterus is located inches below the and by the ninth month it is located at the level of the ____.

Correct Answer
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Correct Answer
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