Question 1

Which part of the sperm contains the chromosomes?

Accepted Answer

A)   tail
B)   middle piece
C)   headD) A) and B)
E) B) and C)

Question 2

Menopause in women and andropause in men occur for very different reasons.

Accepted Answer

A) True 
 B)False

Question 3

The white,greasy,cheeselike substance that covers the skin is called

Accepted Answer

A)   lanugo.
B)   fontanels.
C)   vernix caseosa.
D)   foramen ovale.
E)   ductus arteriosus.F) None of the above
G) A) and B)

Question 4

Which of the following is not derived from the endoderm?

Accepted Answer

A)   epithelial lining of digestive tract
B)   epithelial lining of respiratory tract
C)   glands of the digestive tract
D)   lining of the urinary bladder
E)   urinary systemF) C) and E)
G) A) and B)

Question 5

When cells begin to move in the embryo in relation to other cells,this is called

Accepted Answer

A)   cleavage.
B)   growth.
C)   morphogenesis.
D)   differentiation.
E)   fertilization.F) C) and E)
G) C) and D) C

Question 6

Why would you predict that the blood carbon dioxide levels in a pregnant woman would fall?

Accepted Answer

A)   She has trouble breathing due to the expanding uterus.
B)   The fetus is removing carbon dioxide from her blood.
C)   The maternal oxygen levels are also falling.
D)   This creates a favorable concentration gradient between the fetal and maternal blood.
E)   The bronchial tubes relax.F) D) and E)
G) C) and D) D

Question 7

At what point during development does the embryo form three germ layers?

Accepted Answer

A)   when it begins cleavage
B)   when the nervous system develops
C)   when it forms the gastrula
D)   when it forms the inner cell mass
E)   when it becomes recognizable as humanF) C) and E)
G) All of the above

Question 8

Development ceases at birth.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following develops into the male genital ducts?

Accepted Answer

A)   epididymis
B)   urogenital groove
C)   cloaca
D)   Mullerian ducts
E)   Wolffian ductsF) A) and C)
G) B) and E)

Question 10

Few neural cells in the cerebral cortex are lost during the normal aging process.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following skin changes is not associated with growing older?

Accepted Answer

A)   Pigmented blotches appear on the skin.
B)   There is less adipose tissue in the subcutaneous layer.
C)   The number of elastic fibers decreases.
D)   There is an increase in the number of oil glands.
E)   There are fewer sweat glands for sweating to occur.F) All of the above
G) None of the above

Question 12

When does the heart begin to develop?

Accepted Answer

A)   one week
B)   three weeks
C)   five weeks
D)   seven weeks
E)   nine weeksF) A) and E)
G) D) and E)

Question 13

Which of the following does not occur prior to or during stage 1 of labor?

Accepted Answer

A)   bloody show
B)   effacement
C)   uterine contractions
D)   breaking water
E)   dislodging of the placentaF) A) and B)
G) None of the above

Question 14

What is the leading cause of death today?

Accepted Answer

A)   cardiovascular disorders
B)   stroke
C)   accidents
D)   suicide
E)   cancerF) A) and B)
G) A) and C)

Question 15

If Dan lives longer than his father did because Dan takes better care of himself than his father did,this supports which theory of aging?

Accepted Answer

A)   genetic in origin
B)   whole-body process
C)   extrinsic factorsD) All of the above
E) A) and C)

Question 16

Which of the following is not involved in the increase in blood volume in a pregnant woman?

Accepted Answer

A)   progesterone
B)   artery expansion
C)   renin-angiotensin-aldosterone mechanism
D)   an increase in blood oxygen levels
E)   sodium and water retentionF) D) and E)
G) C) and D)

Question 17

The _______ is the first embryonic membrane to appear,and it is the first site of ___________.

Accepted Answer

A)   amnion, umbilical cord formation
B)   yolk sac, placenta development
C)   chorion, neural system development
D)   allantois, amniotic fluid formation
E)   yolk sac, blood cell formationF) B) and D)
G) B) and E)

Question 18

When the uterus begins to contract,it is almost time for the baby to be born.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following problems is not associated with pregnancy?

Accepted Answer

A)   lordosis
B)   lower back pain
C)   gastrointestinal reflux
D)   incontinence
E)   impotenceF) B) and C)
G) A) and B)

Question 20

Where are the mitochondria located in the sperm?

Accepted Answer

A)   tail
B)   middle piece
C)   headD) A) and B)
E) None of the above B

Exam 17: Development and Aging

Which part of the sperm contains the chromosomes?

Correct AnswerverifiedShow Answer

Menopause in women and andropause in men occur for very different reasons.

Correct AnswerverifiedShow Answer

The white,greasy,cheeselike substance that covers the skin is called

Correct AnswerverifiedShow Answer

Which of the following is not derived from the endoderm?

Correct AnswerverifiedShow Answer

When cells begin to move in the embryo in relation to other cells,this is called

Correct AnswerverifiedC

Why would you predict that the blood carbon dioxide levels in a pregnant woman would fall?

Correct AnswerverifiedD

At what point during development does the embryo form three germ layers?

Correct AnswerverifiedShow Answer

Development ceases at birth.

Correct AnswerverifiedShow Answer

Which of the following develops into the male genital ducts?

Correct AnswerverifiedShow Answer

Few neural cells in the cerebral cortex are lost during the normal aging process.

Correct AnswerverifiedShow Answer

Which of the following skin changes is not associated with growing older?

Correct AnswerverifiedShow Answer

When does the heart begin to develop?

Correct AnswerverifiedShow Answer

Which of the following does not occur prior to or during stage 1 of labor?

Correct AnswerverifiedShow Answer

What is the leading cause of death today?

Correct AnswerverifiedShow Answer

If Dan lives longer than his father did because Dan takes better care of himself than his father did,this supports which theory of aging?

Correct AnswerverifiedShow Answer

Which of the following is not involved in the increase in blood volume in a pregnant woman?

Correct AnswerverifiedShow Answer

The _______ is the first embryonic membrane to appear,and it is the first site of ___________.

Correct AnswerverifiedShow Answer

When the uterus begins to contract,it is almost time for the baby to be born.

Correct AnswerverifiedShow Answer

Which of the following problems is not associated with pregnancy?

Correct AnswerverifiedShow Answer

Where are the mitochondria located in the sperm?

Correct AnswerverifiedB

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The _ is the first embryonic membrane to appear,and it is the first site of _____.

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B