Question 1

In pregnant women, the high levels of estrogen and progesterone secretion seem to lead to

Accepted Answer

A)   stronger nails and fuller hair.
B)   weaker nails and thinner hair.C) A) and B)
D) undefined

Question 2

Pregnancy increases a woman's risk of urinary tract infection.

Accepted Answer

A) True 
 B)False

Question 3

The process of organogenesis begins in the fetal period.

Accepted Answer

A) True 
 B)False

Question 4

Blood type is an example of a trait that demonstrates

Accepted Answer

A)   strict Mendelian inheritance.
B)   codominant inheritance.
C)   incomplete dominance.
D)   polygenic dominance.
E)   sex-linked recessiveness.F) A) and E)
G) None of the above

Question 5

Increases in weight of the conceptus are largest during the ________ two months of pregnancy.

Accepted Answer

A)   first
B)   middle
C)   lastD) A) and B)
E) A) and C)

Question 6

What thin membrane, continuous with the epiblast layer, secretes fluid to bathe the embryo?

Accepted Answer

A)   Chorion
B)   Amnion
C)   Yolk sac
D)   Corona radiataE) A) and C)
F) A) and B)

Question 7

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 8

The beginning of labor involves increased production of ________ from the fetal hypothalamus, resulting in secretion of ________ by the placenta.

Accepted Answer

A)   GnRH; prolactin
B)   prolactin; oxytocin
C)   oxytocin; prostaglandins
D)   prostaglandin; prolactin
E)   prolactin; GnRHF) None of the above
G) All of the above

Question 9

Endometrial tissue, blood, and mucus are released from the uterus after childbirth as ________.

Accepted Answer

The answer of Endometrial tissue, blood, and mucus are released...

Question 10

Braxton-Hicks contractions are those that occur

Accepted Answer

A)   during premature labor.
B)   during false labor.
C)   during true labor.
D)   in smooth muscle near the uterus.
E)   with the most painful intensity.F) B) and C)
G) A) and E)

Question 11

The display of chromosome pairs arranged by size and similar features is known as the

Accepted Answer

A)   genotype.
B)   Punnett square.
C)   karyotype.
D)   heredity gel.E) A) and B)
F) None of the above

Question 12

Human chorionic gonadotropin stimulates the degeneration of the corpus luteum.

Accepted Answer

A) True 
 B)False

Question 13

Drugs that lead to birth defects in the formation of the limbs are most damaging when the conceptus is exposed to them during weeks

Accepted Answer

A)   1-2 of development, before the placenta is fully formed.
B)   4-8 of development, when limbs are undergoing peak development.
C)   12-16 of development, when limbs have formed but are not fully mature.
D)   24-28 of development, when plasticity of surrounding tissues has been lost.E) A) and C)
F) B) and C)

Question 14

Hormonal and neural changes during pregnancy function to facilitate diffusion of gases across the placenta. One way this occurs is by ________ respiration rate, thereby ________ CO2 levels in the blood.

Accepted Answer

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

Question 15

Which type of food do women suffering from morning sickness generally prefer?

Accepted Answer

A)   Carbohydrate-rich foods
B)   Protein-rich foodsC) A) and B)
D) undefined

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) B) and C)
F) None of the above D

Question 17

In a mother who has recently delivered a child, afterpains occur when

Accepted Answer

A)   dopamine triggers uterine contractions.
B)   oxytocin triggers uterine contractions.
C)   estrogen triggers prostaglandin release.
D)   progesterone inhibits prostaglandin release.E) A) and D)
F) B) and C)

Question 18

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 C)
F) A) and B)

Question 19

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

Accepted Answer

dyspnea

Question 20

Prolactin is secreted from the ________ gland, and its levels ________ during pregnancy.

Accepted Answer

A)   hypothalamus; double
B)   mammary; double
C)   corpus luteum; increase tenfold
D)   anterior pituitary; increase tenfoldE) A) and C)
F) None of the above

Exam 29: Development, Pregnancy, and Heredity

In pregnant women, the high levels of estrogen and progesterone secretion seem to lead to

Correct AnswerverifiedShow Answer

Pregnancy increases a woman's risk of urinary tract infection.

Correct AnswerverifiedShow Answer

The process of organogenesis begins in the fetal period.

Correct AnswerverifiedShow Answer

Blood type is an example of a trait that demonstrates

Correct AnswerverifiedShow Answer

Increases in weight of the conceptus are largest during the ________ two months of pregnancy.

Correct AnswerverifiedShow Answer

What thin membrane, continuous with the epiblast layer, secretes fluid to bathe the embryo?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The beginning of labor involves increased production of ________ from the fetal hypothalamus, resulting in secretion of ________ by the placenta.

Correct AnswerverifiedShow Answer

Endometrial tissue, blood, and mucus are released from the uterus after childbirth as ________.

Correct AnswerverifiedShow Answer

Braxton-Hicks contractions are those that occur

Correct AnswerverifiedShow Answer

The display of chromosome pairs arranged by size and similar features is known as the

Correct AnswerverifiedShow Answer

Human chorionic gonadotropin stimulates the degeneration of the corpus luteum.

Correct AnswerverifiedShow Answer

Drugs that lead to birth defects in the formation of the limbs are most damaging when the conceptus is exposed to them during weeks

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 ________ CO2 levels in the blood.

Correct AnswerverifiedB

Which type of food do women suffering from morning sickness generally prefer?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

In a mother who has recently delivered a child, afterpains occur when

Correct AnswerverifiedShow Answer

Compared to breast milk, colostrum contains

Correct AnswerverifiedShow Answer

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

Correct Answerverifieddyspnea

Prolactin is secreted from the ________ gland, and its levels ________ during pregnancy.

Correct AnswerverifiedShow Answer

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The beginning of labor involves increased production of from the fetal hypothalamus, resulting in secretion of by the placenta.

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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 CO₂ levels in the blood.

Correct Answer
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B

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

Correct Answer
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D

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dyspnea

Prolactin is secreted from the gland, and its levels during pregnancy.

Correct Answer
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