Question 1

As regards the immune system, older people are more likely to develop

Accepted Answer

A)  common colds. 
B)  warts. 
C)  stronger immune responses. 
D)  an increased risk of AIDS. 
E)  autoimmune diseases. 
A)  common colds. 
B)  warts. 
C)  stronger immune responses. 
D)  an increased risk of AIDS. 
E)  autoimmune diseases.

Question 2

The establishment of which developmental paths an embryonic cell will follow is

Accepted Answer

A)  cell determination. 
B)  cell differentiation. 
C)  cell specialization. 
D)  cell categorization. 
E)  cell speciation. 
A)  cell determination. 
B)  cell differentiation. 
C)  cell specialization. 
D)  cell categorization. 
E)  cell speciation.

Question 3

Which of the following is responsible for the actual invasion of the lining of the uterus?

Accepted Answer

A)  trophoblast 
B)  amnion 
C)  inner cell mass 
D)  blastocyst 
E)  placenta 
A)  trophoblast 
B)  amnion 
C)  inner cell mass 
D)  blastocyst 
E)  placenta

Question 4

A woman who is herself a fraternal twin has what chance of giving birth to fraternal twins?

Accepted Answer

A)  double 
B)  triple 
C)  quadruple 
D)  one half the average 
E)  about the same as the average 
A)  double 
B)  triple 
C)  quadruple 
D)  one half the average 
E)  about the same as the average

Question 5

Select the correct sequence of animal developmental events.

Accepted Answer

A)  fertilization >>> cleavage >>> gastrulation >>> morula 
B)  fertilization >>> cleavage >>> morula >>> gastrulation 
C)  cleavage >>> morula >>> gastrulation >>> fertilization 
D)  morula >>> fertilization >>> gastrulation >>> cleavage 
E)  fertilization >>> morula >>> gastrulation >>> cleavage 
A)  fertilization >>> cleavage >>> gastrulation >>> morula 
B)  fertilization >>> cleavage >>> morula >>> gastrulation 
C)  cleavage >>> morula >>> gastrulation >>> fertilization 
D)  morula >>> fertilization >>> gastrulation >>> cleavage 
E)  fertilization >>> morula >>> gastrulation >>> cleavage

Question 6

Early blood cells and germ cells that become gametes arise from the

Accepted Answer

A)  allantois. 
B)  amnion. 
C)  chorion. 
D)  umbilical cord. 
E)  yolk sac. 
A)  allantois. 
B)  amnion. 
C)  chorion. 
D)  umbilical cord. 
E)  yolk sac.

Question 7

At implantation the blastocyst breaks out of the

Accepted Answer

A)  follicle. 
B)  zygote. 
C)  gastrula. 
D)  acrosome. 
E)  zona pellucida. 
A)  follicle. 
B)  zygote. 
C)  gastrula. 
D)  acrosome. 
E)  zona pellucida.

Question 8

Although the placenta acts as a filter for many harmful substances, some are able to pass from mother to embryo. They include

Accepted Answer

A)  alcohol. 
B)  toxins in cigarette smoke. 
C)  caffeine. 
D)  drugs. 
E)  all of these. 
A)  alcohol. 
B)  toxins in cigarette smoke. 
C)  caffeine. 
D)  drugs. 
E)  all of these.

Question 9

When an embryo partially splits after day 12 of development what arises?

Accepted Answer

A)  fraternal twins 
B)  triplets 
C)  a fetus with extra limbs 
D)  conjoined twins 
E)  fetus in fetu 
A)  fraternal twins 
B)  triplets 
C)  a fetus with extra limbs 
D)  conjoined twins 
E)  fetus in fetu

Question 10

Nutrient-rich blood flows from the placenta to the fetus via the

Accepted Answer

A)  ductus arteriosus. 
B)  fossa ovalis. 
C)  ductus venosus. 
D)  foramen ovale. 
E)  allantois. 
A)  ductus arteriosus. 
B)  fossa ovalis. 
C)  ductus venosus. 
D)  foramen ovale. 
E)  allantois.

Question 11

The germ layers are formed in which of the following stages?

Accepted Answer

A)  cleavage 
B)  morula 
C)  gastrula 
D)  zygote 
E)  blastula 
A)  cleavage 
B)  morula 
C)  gastrula 
D)  zygote 
E)  blastula

Question 12

If an experimenter interferes with the mesoderm in an embryo, which of the following systems would NOT be affected by the experimenter?

Accepted Answer

A)  circulatory system 
B)  muscular system 
C)  reproductive system 
D)  integumentary system 
E)  excretory system 
A)  circulatory system 
B)  muscular system 
C)  reproductive system 
D)  integumentary system 
E)  excretory system

Question 13

Beta amyloid plaques are most often seen in persons suffering from

Accepted Answer

A)  Parkinson's disease. 
B)  Alzheimer's disease. 
C)  heart attacks. 
D)  muscular dystrophy. 
E)  multiple sclerosis. 
A)  Parkinson's disease. 
B)  Alzheimer's disease. 
C)  heart attacks. 
D)  muscular dystrophy. 
E)  multiple sclerosis.

Question 14

Which of the following systems is the first of those listed below to begin development in the human embryo?

Accepted Answer

A)  nervous system 
B)  excretory system 
C)  reproductive system 
D)  skeletal system 
E)  endocrine system 
A)  nervous system 
B)  excretory system 
C)  reproductive system 
D)  skeletal system 
E)  endocrine system

Question 15

One of the most common causes of mental retardation in the United States is

Accepted Answer

A)  congenital rubella syndrome. 
B)  cocaine addiction. 
C)  fetal alcohol syndrome. 
D)  use of thalidomide by pregnant women. 
E)  use of tetracycline by pregnant women. 
A)  congenital rubella syndrome. 
B)  cocaine addiction. 
C)  fetal alcohol syndrome. 
D)  use of thalidomide by pregnant women. 
E)  use of tetracycline by pregnant women.

Question 16

Clumps of microtubules in aging neurons are called

Accepted Answer

A)  beta amyloid. 
B)  neurofibrillary tangles. 
C)  neural atrophy. 
D)  plaques. 
E)  ganglionic fossae. 
A)  beta amyloid. 
B)  neurofibrillary tangles. 
C)  neural atrophy. 
D)  plaques. 
E)  ganglionic fossae.

Question 17

In which stage of labor dose the amniotic sac rupture?

Accepted Answer

A)  the first stage 
B)  the second stage 
C)  the third stage 
D)  in either the first or second stage 
E)  in either the second or third stage 
A)  the first stage 
B)  the second stage 
C)  the third stage 
D)  in either the first or second stage 
E)  in either the second or third stage

Question 18

Match between columns
                        Premises: This stage identifies an individual from infancy to about age 12 or 13.
This stage lasts from the ninth week after conception through birth.
This is the designation of an individual during the first two weeks after birth.
This stage is characterized by the appearance of secondary sexual characteristics.
This stage identifies the latter teenage years.

Accepted Answer

The Answer of neonate and child and pubescent and adolescent is...

Question 19

Each new cell that forms during cleavage is called a(n)

Accepted Answer

A)  zygote. 
B)  morula. 
C)  gastrula. 
D)  blastomere. 
E)  endoderm. 
A)  zygote. 
B)  morula. 
C)  gastrula. 
D)  blastomere. 
E)  endoderm.

Question 20

At about how many weeks of pregnancy is a chorionic villus sampling performed?

Accepted Answer

A)  eight 
B)  ten 
C)  fourteen 
D)  sixteen 
E)  twenty 
A)  eight 
B)  ten 
C)  fourteen 
D)  sixteen 
E)  twenty

Exam 17: Development and Aging

As regards the immune system, older people are more likely to develop

The establishment of which developmental paths an embryonic cell will follow is

Which of the following is responsible for the actual invasion of the lining of the uterus?

A woman who is herself a fraternal twin has what chance of giving birth to fraternal twins?

Select the correct sequence of animal developmental events.

Early blood cells and germ cells that become gametes arise from the

At implantation the blastocyst breaks out of the

Although the placenta acts as a filter for many harmful substances, some are able to pass from mother to embryo. They include

When an embryo partially splits after day 12 of development what arises?

Nutrient-rich blood flows from the placenta to the fetus via the

The germ layers are formed in which of the following stages?

If an experimenter interferes with the mesoderm in an embryo, which of the following systems would NOT be affected by the experimenter?

Beta amyloid plaques are most often seen in persons suffering from

Which of the following systems is the first of those listed below to begin development in the human embryo?

One of the most common causes of mental retardation in the United States is

Clumps of microtubules in aging neurons are called

In which stage of labor dose the amniotic sac rupture?

Each new cell that forms during cleavage is called a(n)

At about how many weeks of pregnancy is a chorionic villus sampling performed?

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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