Question 1

In the process of fertilization,the sperm will fertilize the

Accepted Answer

A)  follicle
B)  primary oocyte
C)  germ cell
D)  female gonad
E)  secondary oocyte E

Question 2

Gastrulation occurs at approximately which point after fertilization?

Accepted Answer

A)  within days
B)  during first 2 weeks of embryonic period
C)  during third week of embryonic period
D)  during fourth week of embryonic period
E)  after the fifth week of embryonic period

Question 3

Labor cannot take place until all of which hormone's effects are diminished?

Accepted Answer

A)  Estrogen
B)  Progesterone
C)  Testosterone
D)  Relaxin
E)  Inhibin B

Question 4

The hormone associated with a change in gait of a pregnant woman in the later stages of pregnancy is

Accepted Answer

A)  estrogen
B)  human chorionic gonadotropin
C)  progesterone
D)  inhibin
E)  relaxin

Question 5

Which of the following is a function of the hormone corticotropin-releasing hormone?

Accepted Answer

A)  Maintain endometrium of uterus during pregnancy
B)  Help prepare mammary glands for lactation
C)  Establish the timing of birth
D)  Increase flexibility of the pubic symphysis
E)  All of these are functions of CRH

Question 6

Which of the terms below describes the development of an organism from an undifferentiated cell?

Accepted Answer

A)  Conceptus
B)  Primordium
C)  Epigenesis
D)  Karyotype
E)  Fertilization age

Question 7

Which cells are derived from the yolk sac and form a connective tissue layer?

Accepted Answer

A)  A
B)  B
C)  E
D)  F
E)  G

Question 8

What does figure "A" represent?

Accepted Answer

A)  Cleavage of embryo
B)  Cleavage of zygote
C)  Cleavage of morula
D)  Cleavage of blastocyst
E)  Cleavage of fetus B

Question 9

Which is the effector when oxytocin stimulates milk ejection?

Accepted Answer

A)  glandular cells
B)  plasma cells
C)  neurosecretory cells
D)  myoepithelial cells
E)  all of these work together

Question 10

How many pairs of 8pharyngeal arches form in the future head and neck region during the fourth week?

Accepted Answer

A)  2
B)  3
C)  4
D)  5
E)  6

Question 11

Describe the hormonal events surrounding parturition.

Accepted Answer

Fetal CRH secretion increases from about...

Question 12

Explain how certain types of clothing may lead to male infertility.

Accepted Answer

There are many factors that may contribu...

Question 13

Where are the fetal blood vessels in the figure?

Accepted Answer

A)  C
B)  D
C)  E
D)  F
E)  G

Question 14

Which of the following is NOT produced from the mesoderm?

Accepted Answer

A)  Melanocytes
B)  Skeletal muscle
C)  Cardiac muscle
D)  Blood vessels
E)  Lymphatic tissue

Question 15

When are the three primary germ layers established during pregnancy?

Accepted Answer

A)  First week of development
B)  Second week of development
C)  Third week of development
D)  Fourth week of development
E)  Second month of development

Question 16

Where is the amniotic cavity?

Accepted Answer

A)  E
B)  D
C)  C
D)  B
E)  A

Question 17

If a woman who recently gave birth wants to continue to nurse newborn infants,even if they are not hers,could she do this indefinitely? If possible,why can she continue to do so?

Accepted Answer

After delivery,prolactin levels will slo...

Question 18

Which of the following is the portion of the endometrium that lies between the embryo and the stratum basale?

Accepted Answer

A)  Decidua basalis
B)  Decidua capsularis
C)  Decidua parietalis
D)  Lamina propria
E)  Adventitia

Question 19

Which condition listed is a developmental abnormality due to mechanical forces that mold a part of the fetus over a prolonged period of time?

Accepted Answer

A)  Emesis gravidarum
B)  Deformation
C)  Turner's syndrome
D)  Breech presentation
E)  Klinefelter's syndrome

Question 20

Which one represents the morula stage?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  E

Exam 29: Development and Inheritance

In the process of fertilization,the sperm will fertilize the

Correct AnswerverifiedE

Gastrulation occurs at approximately which point after fertilization?

Correct AnswerverifiedShow Answer

Labor cannot take place until all of which hormone's effects are diminished?

Correct AnswerverifiedB

The hormone associated with a change in gait of a pregnant woman in the later stages of pregnancy is

Correct AnswerverifiedShow Answer

Which of the following is a function of the hormone corticotropin-releasing hormone?

Correct AnswerverifiedShow Answer

Which of the terms below describes the development of an organism from an undifferentiated cell?

Correct AnswerverifiedShow Answer

Which cells are derived from the yolk sac and form a connective tissue layer?

Correct AnswerverifiedShow Answer

What does figure "A" represent?

Correct AnswerverifiedB

Which is the effector when oxytocin stimulates milk ejection?

Correct AnswerverifiedShow Answer

How many pairs of 8pharyngeal arches form in the future head and neck region during the fourth week?

Correct AnswerverifiedShow Answer

Describe the hormonal events surrounding parturition.

Correct AnswerverifiedFetal CRH secretion increases from about...View AnswerShow Answer

Explain how certain types of clothing may lead to male infertility.

Correct AnswerverifiedThere are many factors that may contribu...View AnswerShow Answer

Where are the fetal blood vessels in the figure?

Correct AnswerverifiedShow Answer

Which of the following is NOT produced from the mesoderm?

Correct AnswerverifiedShow Answer

When are the three primary germ layers established during pregnancy?

Correct AnswerverifiedShow Answer

Where is the amniotic cavity?

Correct AnswerverifiedShow Answer

If a woman who recently gave birth wants to continue to nurse newborn infants,even if they are not hers,could she do this indefinitely? If possible,why can she continue to do so?

Correct AnswerverifiedAfter delivery,prolactin levels will slo...View AnswerShow Answer

Which of the following is the portion of the endometrium that lies between the embryo and the stratum basale?

Correct AnswerverifiedShow Answer

Which condition listed is a developmental abnormality due to mechanical forces that mold a part of the fetus over a prolonged period of time?

Correct AnswerverifiedShow Answer

Which one represents the morula stage?

Correct AnswerverifiedShow Answer

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E

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B

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B

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Fetal CRH secretion increases from about...
View Answer

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There are many factors that may contribu...
View Answer

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After delivery,prolactin levels will slo...
View Answer

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