Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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 3

The embryonic disk becomes the inner cell mass after gastrulation.

Accepted Answer

A) True 
 B)False

Question 4

At the end of the embryonic period,the embryo is about 12 inches long.

Accepted Answer

A) True 
 B)False

Question 5

If a fetus contains an X and a Y chromosome but a defective SRY gene,they will develop

Accepted Answer

A)  into a female because testosterone is not present. 
B)  into a male because testosterone is not present. 
C)  into a female because testosterone is present. 
D)  into a male because testosterone is present. 
A)  into a female because testosterone is not present. 
B)  into a male because testosterone is not present. 
C)  into a female because testosterone is present. 
D)  into a male because testosterone is present.

Question 6

What structure produces progesterone and estrogen during pregnancy?

Accepted Answer

A)  placenta 
B)  hypothalamus 
C)  anterior pituitary 
D)  posterior pituitary 
E)  ovaries 
A)  placenta 
B)  hypothalamus 
C)  anterior pituitary 
D)  posterior pituitary 
E)  ovaries

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

The umbilical arteries carry

Accepted Answer

A)  oxygen-rich blood to the developing fetus. 
B)  oxygen-rich blood to the placenta. 
C)  oxygen-poor blood to the developing fetus. 
D)  oxygen-poor blood to the placenta. 
A)  oxygen-rich blood to the developing fetus. 
B)  oxygen-rich blood to the placenta. 
C)  oxygen-poor blood to the developing fetus. 
D)  oxygen-poor blood to the placenta.

Question 9

The names of the extraembryonic membranes are derived from their function in animals that produce shelled eggs.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following gives the correct order of layers the sperm crosses when entering the egg?

Accepted Answer

A)  corona radiata, zona pellucida, oocyte plasma membrane 
B)  zona pellucida, oocyte plasma membrane, corona radiata 
C)  oocyte plasma membrane, corona radiata, zona pellucida 
D)  corona radiata, oocyyte plasma membrane, zona pellucida 
E)  zona pellucida, corona radiata, oocyte plasma membrane 
A)  corona radiata, zona pellucida, oocyte plasma membrane 
B)  zona pellucida, oocyte plasma membrane, corona radiata 
C)  oocyte plasma membrane, corona radiata, zona pellucida 
D)  corona radiata, oocyyte plasma membrane, zona pellucida 
E)  zona pellucida, corona radiata, oocyte plasma membrane

Question 11

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

Accepted Answer

A)  pre-embryonic 
B)  embryonic 
C)  fetal 
A)  pre-embryonic 
B)  embryonic 
C)  fetal

Question 12

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 13

Which of the following is involved in the prevention of polyspermy?

Accepted Answer

A)  acrosome of the sperm 
B)  depolarization of the egg's plasma membrane 
C)  fusion of the sperm and egg nucleus 
D)  changes within the corona radiata 
A)  acrosome of the sperm 
B)  depolarization of the egg's plasma membrane 
C)  fusion of the sperm and egg nucleus 
D)  changes within the corona radiata

Question 14

Which of the following statements is related to a decrease in blood flow?

Accepted Answer

A)  More neural cells are lost as we age. 
B)  Females undergo menopause. 
C)  Ventilation of the lungs is reduced. 
D)  The liver does not metabolize drugs as efficiently as before. 
E)  The homeostatic adjustment to heat is limited. 
A)  More neural cells are lost as we age. 
B)  Females undergo menopause. 
C)  Ventilation of the lungs is reduced. 
D)  The liver does not metabolize drugs as efficiently as before. 
E)  The homeostatic adjustment to heat is limited.

Question 15

When does the mother first begin to feel the fetus move?

Accepted Answer

A)  1-2 months 
B)  3-4 months 
C)  5-7 months 
D)  7-9 months 
A)  1-2 months 
B)  3-4 months 
C)  5-7 months 
D)  7-9 months

Question 16

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.

Question 17

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 18

The yolk sac of the chick provides nutrients to the developing embryo.What does that in humans?

Accepted Answer

A)  chorion 
B)  allantois 
C)  yolk sac 
D)  amnion 
A)  chorion 
B)  allantois 
C)  yolk sac 
D)  amnion

Question 19

Which of the following occurs during the embryonic stage of development?

Accepted Answer

A)  Chorion appears. 
B)  Nose, eyes, and ear become noticeable. 
C)  Testes descend into scrotum. 
D)  Heartbeat can be heard. 
E)  Fingernails appear. 
A)  Chorion appears. 
B)  Nose, eyes, and ear become noticeable. 
C)  Testes descend into scrotum. 
D)  Heartbeat can be heard. 
E)  Fingernails appear.

Question 20

Which of the following is present in the fetus but not in an adult human?

Accepted Answer

A)  ductus arteriosus 
B)  pulmonary vein 
C)  left atrium 
D)  superior vena cava 
E)  internal iliac artery 
A)  ductus arteriosus 
B)  pulmonary vein 
C)  left atrium 
D)  superior vena cava 
E)  internal iliac artery

Exam 17: Development and Aging

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

How do males and females differ as they age?

The embryonic disk becomes the inner cell mass after gastrulation.

At the end of the embryonic period,the embryo is about 12 inches long.

If a fetus contains an X and a Y chromosome but a defective SRY gene,they will develop

What structure produces progesterone and estrogen during pregnancy?

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

The umbilical arteries carry

The names of the extraembryonic membranes are derived from their function in animals that produce shelled eggs.

Which of the following gives the correct order of layers the sperm crosses when entering the egg?

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

How are the pulmonary veins and the umbilical veins similar?

Which of the following is involved in the prevention of polyspermy?

Which of the following statements is related to a decrease in blood flow?

When does the mother first begin to feel the fetus move?

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

The adhering follicular cells that surround the egg are called the

The yolk sac of the chick provides nutrients to the developing embryo.What does that in humans?

Which of the following occurs during the embryonic stage of development?

Which of the following is present in the fetus but not in an adult human?

Exploring Life and Science

Chemistry of Life

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

DNA Biology and Technology

Human Evolution

Global Ecology and Human Interferences

Human Population, planetary Resources, and Conservation

Infectious Diseases Supplement

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