Question 1

Human placental lactogen _________ the effects of insulin and causes a pregnant woman's tissues to metabolize ______ glucose.

Accepted Answer

A)  facilitates;more
B)  facilitates;less
C)  inhibits;more
D)  inhibits;lessE) B) and C)
F) A) and D)

Question 2

During pregnancy,the mother's

Accepted Answer

A)  cardiac output and hematocrit rise.
B)  cardiac output and hematocrit fall.
C)  cardiac output rises and hematocrit falls.
D)  cardiac output falls and hematocrit rises.E) A) and B)
F) None of the above

Question 3

Blood vessel growth within the uterus is promoted by the hormone __________.

Accepted Answer

The answer of Blood vessel growth within the uterus is...

Question 4

Gastrulation results in the formation of a(n)

Accepted Answer

A)  morula.
B)  embryo.
C)  blastocyst.
D)  trophoblast.
E)  umbilical cord.F) A) and C)
G) D) and E)

Question 5

Edema and varicose veins in the lower extremities sometimes develop in the third trimester of a pregnancy due to

Accepted Answer

A)  decreased cardiac output.
B)  elevated blood pressure.
C)  compression of abdominal blood vessels.
D)  elevated hematocrit.E) A) and B)
F) A) and C)

Question 6

The place on a chromosome where a particular gene is located is its

Accepted Answer

A)  locus.
B)  phenotype.
C)  karyotype.
D)  genotype.
E)  linkage.F) D) and E)
G) None of the above

Question 7

One reason that pregnant women's metabolic rates change is that the placenta secretes

Accepted Answer

A)  human chorionic gonadotropin,which stimulates metabolism of glucose and raises metabolic rate.
B)  human chorionic thyrotropin,which stimulates the thyroid gland and raises metabolic rate.
C)  human placental lactogen,which stimulates glycolysis and raises metabolic rate.
D)  human chorionic somatomammotropin,which inhibits fatty acid metabolism and lowers metabolic rate.
E)  prolactin,which lowers metabolic rate so that nutrients can be stored in milk.F) C) and E)
G) B) and D)

Question 8

Human chorionic gonadotropin stimulates the degeneration of the corpus luteum.

Accepted Answer

A) True 
 B)False

Question 9

Neonates will take their first breath only after umbilical cord vessels have been clamped.

Accepted Answer

A) True 
 B)False

Question 10

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) None of the above
G) A) and B)

Question 11

Describe the main functions of the placenta.

Accepted Answer

The placenta is responsible fo...

Question 12

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) B) and C)

Question 13

The outer layer of the trophoblast that burrows into the lining of the uterus is the

Accepted Answer

A)  embryoblast.
B)  syncytiotrophoblast.
C)  cytotrophoblast.
D)  morula.
E)  zona pellucida.F) A) and E)
G) C) and E)

Question 14

The fingerlike structures of the placenta that form from its fetal portion are known as

Accepted Answer

A)  amniotic villi.
B)  chorionic villi.
C)  amniotic stalks.
D)  chorionic stalks.E) All of the above
F) A) and D)

Question 15

Fetal alcohol syndrome involves a disorder that alters the

Accepted Answer

A)  sequence of base pairs in the genes of the fetus.
B)  structural integrity of the chromosomes of the fetus.
C)  expression of genes in the fetus.
D)  gametes of the fetus.E) A) and D)
F) C) and D)

Question 16

Which part of the embryo develops into the kidneys

Accepted Answer

A)  Endoderm
B)  Paraxial mesoderm
C)  Notochord
D)  Intermediate mesodermE) B) and D)
F) B) and C)

Question 17

In the late stages of pregnancy,estrogen stimulates increased

Accepted Answer

A)  release of hCG.
B)  secretion of atrial natriuretic factor by the heart.
C)  growth of the corpus luteum.
D)  production of oxytocin receptors in the uterus.E) All of the above
F) B) and C)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Which stage would you expect to take the longest time

Accepted Answer

A)  Dilation stage of labor of a parous woman
B)  Dilation stage of labor of a nulliparous woman
C)  Expulsion stage of labor of a parous woman
D)  Expulsion stage of labor of a nulliparous womanE) All of the above
F) None of the above

Question 20

Lateral plate mesoderm gives rise to most of the components of the cardiovascular system.

Accepted Answer

A) True 
 B)False

Exam 29: Development,Pregnancy,and Heredity

The place on a chromosome where a particular gene is located is its

Correct AnswerverifiedShow Answer

The fingerlike structures of the placenta that form from its fetal portion are known as

Correct AnswerverifiedShow Answer

Edema and varicose veins in the lower extremities sometimes develop in the third trimester of a pregnancy due to

Correct AnswerverifiedShow Answer

One reason that pregnant women's metabolic rates change is that the placenta secretes

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Blood vessel growth within the uterus is promoted by the hormone __________.

Correct AnswerverifiedShow Answer

Fetal alcohol syndrome involves a disorder that alters the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Describe the main functions of the placenta.

Correct AnswerverifiedThe placenta is responsible fo...View AnswerShow Answer

Which part of the embryo develops into the kidneys

Correct AnswerverifiedShow Answer

The outer layer of the trophoblast that burrows into the lining of the uterus is the

Correct AnswerverifiedShow Answer

During pregnancy,the mother's

Correct AnswerverifiedShow Answer

Which stage would you expect to take the longest time

Correct AnswerverifiedShow Answer

Neonates will take their first breath only after umbilical cord vessels have been clamped.

Correct AnswerverifiedShow Answer

Human placental lactogen _________ the effects of insulin and causes a pregnant woman's tissues to metabolize ______ glucose.

Correct AnswerverifiedShow Answer

In the late stages of pregnancy,estrogen stimulates increased

Correct AnswerverifiedShow Answer

Gastrulation results in the formation of a(n)

Correct AnswerverifiedShow Answer

Blood type is an example of a trait that demonstrates

Correct AnswerverifiedShow Answer

Lateral plate mesoderm gives rise to most of the components of the cardiovascular system.

Correct AnswerverifiedShow Answer

Human chorionic gonadotropin stimulates the degeneration of the corpus luteum.

Correct AnswerverifiedShow Answer

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

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The placenta is responsible fo...
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Human placental lactogen ___ the effects of insulin and causes a pregnant woman's tissues to metabolize glucose.

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