Question 1

Which of the following is not associated with the egg?

Accepted Answer

A) corona radiata 
B) acrosome 
C) zona pellucida 
D) cortical granule 
E) fertilization membrane 
A) corona radiata 
B) acrosome 
C) zona pellucida 
D) cortical granule 
E) fertilization membrane

Question 2

Which of the following develops into the male genital ducts?

Accepted Answer

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

Question 3

Describe what occurs during cleavage,growth,morphogenesis,and differentiation.

Accepted Answer

Cleavage is the division of the zygote f

Question 4

When cells take on specific structure and function,this is called

Accepted Answer

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

Question 5

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 placenta 
A) bloody show 
B) effacement 
C) uterine contractions 
D) breaking water 
E) dislodging of the placenta

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) Pregnancy creates a favorable concentration gradient between the fetal and maternal blooD. 
E) The bronchial tubes relax. 
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) Pregnancy creates a favorable concentration gradient between the fetal and maternal blooD. 
E) The bronchial tubes relax.

Question 7

The sex of an individual is determined at the moment of fertilization.

Accepted Answer

A) True 
 B)False

Question 8

The yolk sac of the chick provides nutrients to the developing embryo.What structure serves the same role in humans?

Accepted Answer

A) chorion 
B) allantois 
C) yolk sac 
D) amnion 
E) zona pellucida 
A) chorion 
B) allantois 
C) yolk sac 
D) amnion 
E) zona pellucida

Question 9

How do males and females differ as they age?

Accepted Answer

A) Females undergo menopause but males do not undergo any changes in their reproductive hormone levels. 
B) Males can continue to produce sperm until death but females do not continue to produce eggs. 
C) Males develop urinary incontinence but females do not. 
D) Males lose skeletal muscle mass but females tend to gain muscle mass. 
E) Females dehydrate faster than males do. 
A) Females undergo menopause but males do not undergo any changes in their reproductive hormone levels. 
B) Males can continue to produce sperm until death but females do not continue to produce eggs. 
C) Males develop urinary incontinence but females do not. 
D) Males lose skeletal muscle mass but females tend to gain muscle mass. 
E) Females dehydrate faster than males do.

Question 10

The nervous system develops enough to permit reflex actions during which period of development?

Accepted Answer

A) pre-embryonic 
B) embryonic,weeks 6 - 8 
C) fetal,months 3 - 4 
D) embryonic,weeks 2 - 3 
E) embryonic,weeks 4 - 5 
A) pre-embryonic 
B) embryonic,weeks 6 - 8 
C) fetal,months 3 - 4 
D) embryonic,weeks 2 - 3 
E) embryonic,weeks 4 - 5

Question 11

Does a woman ovulate during pregnancy? Why or why not?

Accepted Answer

A) No.She has no more follicles in the ovaries. 
B) No,because negative feedback on the hypothalamus prevents new follicles from maturing. 
C) No,because the developing embryo prevents any new blastulas from implanting. 
D) Yes,because the uterine cycle continues to function. 
E) Yes,because the ovarian cycle continues to function. 
A) No.She has no more follicles in the ovaries. 
B) No,because negative feedback on the hypothalamus prevents new follicles from maturing. 
C) No,because the developing embryo prevents any new blastulas from implanting. 
D) Yes,because the uterine cycle continues to function. 
E) Yes,because the ovarian cycle continues to function.

Question 12

The adhering follicular cells that surround the egg are called the

Accepted Answer

A) pronuclei. 
B) zona pellucida. 
C) corona radiata. 
D) cortical granule cells. 
E) outer cell mass. 
A) pronuclei. 
B) zona pellucida. 
C) corona radiata. 
D) cortical granule cells. 
E) outer cell mass.

Question 13

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 formation 
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 formation

Question 14

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 system 
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 system

Question 15

Once the cortical granules release their enzymes,the corona radiata becomes the fertilization membrane.

Accepted Answer

A) True 
 B)False

Question 16

The 4 cell stage of development is almost twice the size of the 2 cell stage of development.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

The blood of the mother and the fetus mix in the placenta.

Accepted Answer

A) True 
 B)False

Question 19

How are the pulmonary veins and the umbilical veins similar?

Accepted Answer

A) They are both present in an adult human. 
B) They both carry blood to the lungs. 
C) They both connect to the superior vena cava. 
D) They both carry oxygen-rich blooD. 
E) They both connect to the placenta. 
A) They are both present in an adult human. 
B) They both carry blood to the lungs. 
C) They both connect to the superior vena cava. 
D) They both carry oxygen-rich blooD. 
E) They both connect to the placenta.

Question 20

The first system in the body to become visibly differentiated during development is the

Accepted Answer

A) digestive system. 
B) cardiovascular system. 
C) respiratory system. 
D) nervous system. 
E) reproductive system. 
A) digestive system. 
B) cardiovascular system. 
C) respiratory system. 
D) nervous system. 
E) reproductive system.

Exam 18: Development and Aging

Which of the following is not associated with the egg?

Which of the following develops into the male genital ducts?

Describe what occurs during cleavage,growth,morphogenesis,and differentiation.

When cells take on specific structure and function,this is called

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

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

The sex of an individual is determined at the moment of fertilization.

The yolk sac of the chick provides nutrients to the developing embryo.What structure serves the same role in humans?

How do males and females differ as they age?

The nervous system develops enough to permit reflex actions during which period of development?

Does a woman ovulate during pregnancy? Why or why not?

The adhering follicular cells that surround the egg are called the

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

Which of the following is not derived from the endoderm?

Once the cortical granules release their enzymes,the corona radiata becomes the fertilization membrane.

The 4 cell stage of development is almost twice the size of the 2 cell stage of development.

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

The blood of the mother and the fetus mix in the placenta.

How are the pulmonary veins and the umbilical veins similar?

The first system in the body to become visibly differentiated during development is the

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