Question 1

SSRIs such as Prozac,Paxil and Zoloft are widely prescribed to treat

Accepted Answer

A)  post traumatic stress disorder. 
B)  major depressive disorder. 
C)  schizophrenia. 
D)  minor depressive disorder. 
E)  homicidal mania. 
A)  post traumatic stress disorder. 
B)  major depressive disorder. 
C)  schizophrenia. 
D)  minor depressive disorder. 
E)  homicidal mania.

Question 2

Anandamide (and THC)differ from neurotransmitters in that they bind

Accepted Answer

A)  presynaptic receptors. 
B)  postsynaptic receptors. 
C)  dendrites. 
D)  axons. 
E)  mitochondria. 
A)  presynaptic receptors. 
B)  postsynaptic receptors. 
C)  dendrites. 
D)  axons. 
E)  mitochondria.

Question 3

Erica constantly needs to take more cocaine to get the same effect.She is exhibiting

Accepted Answer

A)  tolerance. 
B)  dependence. 
C)  paranoia. 
D)  suicidal ideation. 
E)  insomnia. 
A)  tolerance. 
B)  dependence. 
C)  paranoia. 
D)  suicidal ideation. 
E)  insomnia.

Question 4

Age of onset for schizophrenia is

Accepted Answer

A)  prenatal. 
B)  birth. 
C)  early childhood. 
D)  early adulthood. 
E)  at one's 50th birthday party. 
A)  prenatal. 
B)  birth. 
C)  early childhood. 
D)  early adulthood. 
E)  at one's 50th birthday party.

Question 5

Bipolar disorder affects about __ percent of the U.S.population.

Accepted Answer

A)  0.1 
B)  1 
C)  2 
D)  5 
E)  10 
A)  0.1 
B)  1 
C)  2 
D)  5 
E)  10

Question 6

Evidence that sleep has an inherited component is that

Accepted Answer

A)  MZ twins share more sleep characteristics than do DZ twins. 
B)  siblings often go to sleep and wake up at the same time. 
C)  students living in dorms develop the same sleeping habits. 
D)  people with insomnia have the same chromosome abnormality. 
E)  DZ twins share more sleep characteristics than do MZ twins. 
A)  MZ twins share more sleep characteristics than do DZ twins. 
B)  siblings often go to sleep and wake up at the same time. 
C)  students living in dorms develop the same sleeping habits. 
D)  people with insomnia have the same chromosome abnormality. 
E)  DZ twins share more sleep characteristics than do MZ twins.

Question 7

Some drugs are plant products that can bind neural receptors in a human body because the body makes a similar chemical.Endorphins are the human equivalent of

Accepted Answer

A)  opiates. 
B)  cocaine. 
C)  THC (tetrahydrocannabinol). 
D)  ethanol. 
E)  chocolate. 
A)  opiates. 
B)  cocaine. 
C)  THC (tetrahydrocannabinol). 
D)  ethanol. 
E)  chocolate.

Question 8

LSD binds receptors that normally bind

Accepted Answer

A)  dopamine. 
B)  serotonin. 
C)  epinephrine. 
D)  trace amines. 
E)  insulin. 
A)  dopamine. 
B)  serotonin. 
C)  epinephrine. 
D)  trace amines. 
E)  insulin.

Question 9

The best description of the probable role that genes play in behavioral disorders is that

Accepted Answer

A)  a single gene causes each of these disorders. 
B)  the same disorder may be caused by a single gene in one individual, and solely by an environmental factor in another. 
C)  single genes with major influences as well as small inputs from common gene variants contribute to susceptibility to behavioral disorders, perhaps requiring environmental triggers. 
D)  these genes increase the risk of infection, which directly causes the behavioral disorders. 
E)  variants of the same gene underlie major depressive disorder, bipolar disorder, anxiety disorder, eating disorders, and schizophrenia. 
A)  a single gene causes each of these disorders. 
B)  the same disorder may be caused by a single gene in one individual, and solely by an environmental factor in another. 
C)  single genes with major influences as well as small inputs from common gene variants contribute to susceptibility to behavioral disorders, perhaps requiring environmental triggers. 
D)  these genes increase the risk of infection, which directly causes the behavioral disorders. 
E)  variants of the same gene underlie major depressive disorder, bipolar disorder, anxiety disorder, eating disorders, and schizophrenia.

Question 10

In the 1980s,when researchers began seeking gene variants that can cause or contribute to bipolar disorder,it seemed that each extended family had its own mutations.These findings,looking back,most likely mean that

Accepted Answer

A)  the families have different allele combinations of the same gene. 
B)  bipolar disorder results from imitating the behavior of an affected family member. 
C)  Many gene variant combinations cause or contribute to bipolar disorder, but only a few such variants are seen in any one family. 
D)  many people fake the symptoms of bipolar disorder. 
E)  bipolar disorder reflects changes in gene expression, but not in mutations. 
A)  the families have different allele combinations of the same gene. 
B)  bipolar disorder results from imitating the behavior of an affected family member. 
C)  Many gene variant combinations cause or contribute to bipolar disorder, but only a few such variants are seen in any one family. 
D)  many people fake the symptoms of bipolar disorder. 
E)  bipolar disorder reflects changes in gene expression, but not in mutations.

Question 11

Smoking cigarettes causes lung cancer because

Accepted Answer

A)  nicotine destroys the membranes of alveoli, the microscopic air sacs. The alveoli expand, and the person cannot completely exhale. 
B)  nicotine is deposited as black, sticky tar in respiratory passages. 
C)  nicotinic receptors in the lungs bind carcinogens in cigarette smoke. 
D)  nicotine binds the A1 allele of the dopamine D(2) receptor. 
E)  nicotine accelerates the cell cycle of lung cells. 
A)  nicotine destroys the membranes of alveoli, the microscopic air sacs. The alveoli expand, and the person cannot completely exhale. 
B)  nicotine is deposited as black, sticky tar in respiratory passages. 
C)  nicotinic receptors in the lungs bind carcinogens in cigarette smoke. 
D)  nicotine binds the A1 allele of the dopamine D(2) receptor. 
E)  nicotine accelerates the cell cycle of lung cells.

Question 12

Environmental factors that might cause or contribute to schizophrenia include

Accepted Answer

A)  infection by smallpox virus. 
B)  maternal malnutrition. 
C)  excess oxygen to a fetus. 
D)  maternal use of anti-depressants. 
E)  trauma during pregnancy. 
A)  infection by smallpox virus. 
B)  maternal malnutrition. 
C)  excess oxygen to a fetus. 
D)  maternal use of anti-depressants. 
E)  trauma during pregnancy.

Question 13

Schizophrenia affects about ____ percent of the population.

Accepted Answer

A)  0.1 
B)  1.0 
C)  5.0 
D)  10.0 
E)  50.0 
A)  0.1 
B)  1.0 
C)  5.0 
D)  10.0 
E)  50.0

Question 14

Causes of mental retardation include

Accepted Answer

A)  single-gene and chromosomal disorders, infection, malnutrition, poisoning, and problems before or during birth. 
B)  eating too much chocolate, not exercising, and not drinking enough. 
C)  watching too much television, exposure to secondhand smoke, and drinking cow's milk before the age of six months. 
D)  inheriting a very low IQ, not having mobiles in the crib or being read to, and being ignored. 
E)  being exposed to certain bacteria, fungal spores, or mouse excrement. 
A)  single-gene and chromosomal disorders, infection, malnutrition, poisoning, and problems before or during birth. 
B)  eating too much chocolate, not exercising, and not drinking enough. 
C)  watching too much television, exposure to secondhand smoke, and drinking cow's milk before the age of six months. 
D)  inheriting a very low IQ, not having mobiles in the crib or being read to, and being ignored. 
E)  being exposed to certain bacteria, fungal spores, or mouse excrement.

Question 15

A synapse is

Accepted Answer

A)  a space between neurons. 
B)  a neurotransmitter molecule. 
C)  a receptor on a cell that binds a neurotransmitter. 
D)  a type of protein. 
E)  a gene that controls the nervous system. 
A)  a space between neurons. 
B)  a neurotransmitter molecule. 
C)  a receptor on a cell that binds a neurotransmitter. 
D)  a type of protein. 
E)  a gene that controls the nervous system.

Question 16

A neurotransmitter that might contribute to causing autism if levels are abnormal is

Accepted Answer

A)  dopamine. 
B)  serotonin. 
C)  trace amines. 
D)  glutamate. 
E)  norepinephrine. 
A)  dopamine. 
B)  serotonin. 
C)  trace amines. 
D)  glutamate. 
E)  norepinephrine.

Question 17

Researchers estimate that about _____ genes are involved in behavioral disorders.

Accepted Answer

A)  10-20 
B)  100-120 
C)  100-300 
D)  500 
E)  1,000 
A)  10-20 
B)  100-120 
C)  100-300 
D)  500 
E)  1,000

Question 18

Dr.Gregory House,a character on a television program,experiences severe withdrawal symptoms when he stops taking hydrocodone,which is a drug that he originally took for leg pain,but has not been able to give up.He is exhibiting

Accepted Answer

A)  tolerance. 
B)  dependence. 
C)  paranoia. 
D)  suicidal ideation. 
E)  insomnia. 
A)  tolerance. 
B)  dependence. 
C)  paranoia. 
D)  suicidal ideation. 
E)  insomnia.

Question 19

Schizophrenia differs from dementia in that it

Accepted Answer

A)  affects primarily males. 
B)  is a single-gene disorder. 
C)  is treatable with insulin. 
D)  is episodic rather than degenerative. 
E)  is degenerative rather than episodic. 
A)  affects primarily males. 
B)  is a single-gene disorder. 
C)  is treatable with insulin. 
D)  is episodic rather than degenerative. 
E)  is degenerative rather than episodic.

Question 20

Early symptoms of schizophrenia affect

Accepted Answer

A)  thinking. 
B)  emotions. 
C)  hearing. 
D)  vision. 
E)  aggression. 
A)  thinking. 
B)  emotions. 
C)  hearing. 
D)  vision. 
E)  aggression.

Exam 8: Genetics of Behavior

SSRIs such as Prozac,Paxil and Zoloft are widely prescribed to treat

Anandamide (and THC)differ from neurotransmitters in that they bind

Erica constantly needs to take more cocaine to get the same effect.She is exhibiting

Age of onset for schizophrenia is

Bipolar disorder affects about __ percent of the U.S.population.

Evidence that sleep has an inherited component is that

Some drugs are plant products that can bind neural receptors in a human body because the body makes a similar chemical.Endorphins are the human equivalent of

LSD binds receptors that normally bind

The best description of the probable role that genes play in behavioral disorders is that

In the 1980s,when researchers began seeking gene variants that can cause or contribute to bipolar disorder,it seemed that each extended family had its own mutations.These findings,looking back,most likely mean that

Smoking cigarettes causes lung cancer because

Environmental factors that might cause or contribute to schizophrenia include

Schizophrenia affects about ____ percent of the population.

Causes of mental retardation include

A synapse is

A neurotransmitter that might contribute to causing autism if levels are abnormal is

Researchers estimate that about _____ genes are involved in behavioral disorders.

Dr.Gregory House,a character on a television program,experiences severe withdrawal symptoms when he stops taking hydrocodone,which is a drug that he originally took for leg pain,but has not been able to give up.He is exhibiting

Schizophrenia differs from dementia in that it

Early symptoms of schizophrenia affect

Overview of Genetics

Cells

Meiosis and Development

Single-Gene Inheritance

Beyond Mendels Law

Matters of Sex

Multifactorial Traits

DNA Structure and Replication

Gene Action: From Dna to Protein

Gene Expression and Epigenetics

Gene Mutation

Chromosomes

Constant Allele Frequencies

Changing Allele Frequencies

Human Ancestry

Genetics of Immunity

Genetics of Cancer

Genetic Technologies: Amplifying, Modifying, and Monitoring DNA

Genetic Testing and Treatment

Reproductive Technologies

Genomics

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