Question 1

Which of the following defines "aging"?

Accepted Answer

A)  progressive changes from infancy until death 
B)  the loss of function of various body systems 
C)  the onset of sexual maturity 
D)  the development of disease or disability 
E)  the failure to thrive 
A)  progressive changes from infancy until death 
B)  the loss of function of various body systems 
C)  the onset of sexual maturity 
D)  the development of disease or disability 
E)  the failure to thrive

Question 2

During fertilization, several sperm penetrate the corona radiata.

Accepted Answer

A) True 
 B)False

Question 3

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 4

Fetal development includes the third through ninth months of development.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following problems is not associated with pregnancy?

Accepted Answer

A)  lordosis 
B)  lower back pain 
C)  gastrointestinal reflux 
D)  incontinence 
E)  impotence 
A)  lordosis 
B)  lower back pain 
C)  gastrointestinal reflux 
D)  incontinence 
E)  impotence

Question 6

Summarize the events that occur during each stage of birth.

Accepted Answer

Stage 1 is when the uterine contractions

Question 7

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. 
E)  oxygen-rich blood to the mother. 
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. 
E)  oxygen-rich blood to the mother.

Question 8

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

Question 9

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 10

The embryonic disk becomes the inner cell mass after gastrulation.

Accepted Answer

A) True 
 B)False

Question 11

Development ceases at birth.

Accepted Answer

A) True 
 B)False

Question 12

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

Question 13

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 14

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

Accepted Answer

A)  into an anatomical female because testosterone is not present. 
B)  into an anatomical male because testosterone is not present. 
C)  into an anatomical female because testosterone is present. 
D)  into an anatomical male because testosterone is present. 
E)  into a hermaphrodite due to the presence of estrogen and testosterone. 
A)  into an anatomical female because testosterone is not present. 
B)  into an anatomical male because testosterone is not present. 
C)  into an anatomical female because testosterone is present. 
D)  into an anatomical male because testosterone is present. 
E)  into a hermaphrodite due to the presence of estrogen and testosterone.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

The amnion is to the amniotic fluid as the allantois is to the

Accepted Answer

A)  blood cell precursors. 
B)  chorionic villi. 
C)  umbilical blood vessels. 
D)  amniotic cavity. 
E)  yolk. 
A)  blood cell precursors. 
B)  chorionic villi. 
C)  umbilical blood vessels. 
D)  amniotic cavity. 
E)  yolk.

Question 18

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

Accepted Answer

Cleavage is the division of the zygote f

Question 19

Which part of the sperm contains the chromosomes?

Accepted Answer

A)  tail 
B)  middle piece 
C)  head 
D)  cell membrane 
E)  flagella 
A)  tail 
B)  middle piece 
C)  head 
D)  cell membrane 
E)  flagella

Question 20

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

Accepted Answer

A)  lanugo. 
B)  fontanels. 
C)  vernix caseosa. 
D)  foramen ovale. 
E)  ductus arteriosus. 
A)  lanugo. 
B)  fontanels. 
C)  vernix caseosa. 
D)  foramen ovale. 
E)  ductus arteriosus.

Exam 18: Development and Aging

Which of the following defines "aging"?

During fertilization, several sperm penetrate the corona radiata.

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

Fetal development includes the third through ninth months of development.

Which of the following problems is not associated with pregnancy?

Summarize the events that occur during each stage of birth.

The umbilical arteries carry

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

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

The embryonic disk becomes the inner cell mass after gastrulation.

Development ceases at birth.

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

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

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

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

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

The amnion is to the amniotic fluid as the allantois is to the

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

Which part of the sperm contains the chromosomes?

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

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Hummen Evolution

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

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