Question 1

The brain is most likely to compensate for a loss of neurons by

Accepted Answer

A)   generating new neural cells in the brain.
B)   increasing the speed of neural impulses.
C)   inhibiting activity in the association areas.
D)   decreasing the production of stem cells.E) None of the above
F) A) and C)

Question 2

A neural system at the border between the brainstem and the cerebral hemispheres is known as the

Accepted Answer

A)   pons.
B)   limbic system.
C)   reticular formation.
D)   medulla.E) B) and D)
F) B) and C)

Question 3

The ________ project enables researchers to examine differences between the brains of healthy people and those with various disorders.

Accepted Answer

A)   MEG
B)   diffusion spectrum imaging
C)   PsychENCODE
D)   MRIE) A) and C)
F) A) and B)

Question 4

Neurotransmitters are best described as

Accepted Answer

A)   electrically charged atoms.
B)   sodium/potassium pumps.
C)   chemical messengers.
D)   action potentials.E) A) and B)
F) A) and C)

Question 5

Norman is convinced that his son looks just like him and that his son inherited most of his genes from him.What would you say to Norman?

Accepted Answer

A)   You are correct.Boys always inherit more genes from their father.
B)   You are incorrect.Boys usually inherit more genes from their mother.
C)   You are correct.Fathers always have the dominate genes.
D)   You are incorrect.All children inherit half their genes from their fathers and half from their mothers.E) B) and D)
F) B) and C)

Question 6

Which of the following is considered the body's building blocks?

Accepted Answer

A)   protein molecules
B)   chromosomes
C)   DNA
D)   genesE) A) and B)
F) C) and D)

Question 7

Infant rats deprived of their mothers' normal licking had more ________ that block access to the "on" switch for developing the brain's stress hormone receptors.

Accepted Answer

A)   self-regulating genes
B)   neurotransmitters
C)   genomes
D)   epigenetic moleculesE) C) and D)
F) B) and D)

Question 8

Hormones are the chemical messengers of the

Accepted Answer

A)   autonomic nervous system.
B)   somatic nervous system.
C)   endocrine system.
D)   central nervous system.E) B) and C)
F) None of the above

Question 9

Any drug molecule that occupies a neurotransmitter receptor site and blocks the neurotransmitter's effect is a(n)

Accepted Answer

A)   glutamate.
B)   agonist.
C)   opiate.
D)   antagonist.E) B) and C)
F) A) and D)

Question 10

Any drug molecule that binds to a neurotransmitter receptor site and mimics the neurotransmitter's excitatory or inhibitory effects is a(n)

Accepted Answer

A)   glutamate.
B)   steroid.
C)   agonist.
D)   action potential.E) B) and C)
F) A) and C)

Question 11

Which brain structure receives information from all the senses except smell?

Accepted Answer

A)   hippocampus
B)   amygdala
C)   pons
D)   thalamusE) C) and D)
F) All of the above

Question 12

A(n) ________ is a molecule that inhibits a neurotransmitter's action.

Accepted Answer

A)   agonist
B)   antagonist
C)   endorphin
D)   motor neuronE) B) and C)
F) None of the above

Question 13

The motor cortex is located in the ________ lobes.

Accepted Answer

A)   occipital
B)   temporal
C)   frontal
D)   parietalE) None of the above
F) A) and C)

Question 14

The knee-jerk reflex requires the activity of the

Accepted Answer

A)   central nervous system.
B)   autonomic nervous system.
C)   sympathetic nervous system.
D)   parasympathetic nervous system.E) A) and B)
F) C) and D)

Question 15

To detect Mr.Ziegler's loss of brain tissue from a degenerative disease,his physicians are most likely to request that he receive a(n)

Accepted Answer

A)   EEG.
B)   MRI.
C)   brain lesion.
D)   PET scan.E) None of the above
F) A) and D)

Question 16

Jason's intensely uncomfortable withdrawal symptoms following heroin use were probably due in part to a reduction of his body's normal production of

Accepted Answer

A)   dopamine.
B)   epinephrine.
C)   acetylcholine.
D)   endorphins.E) All of the above
F) None of the above

Question 17

The fight-or-flight response is most clearly associated with the release of ________ into the bloodstream.

Accepted Answer

A)   endorphins
B)   serotonin
C)   epinephrine
D)   dopamineE) B) and C)
F) A) and D)

Question 18

A tendency for the brain's left and right hemispheres to serve different functions is called

Accepted Answer

A)   hemispherectomy.
B)   lateralization.
C)   neurogenesis.
D)   plasticity.E) B) and C)
F) A) and D)

Question 19

The endocrine system's hormones are ________ messengers that travel through the ________.

Accepted Answer

A)   electrical;bloodstream
B)   chemical;bloodstream
C)   electrical;neural networks
D)   chemical;body's organsE) B) and D)
F) All of the above

Question 20

Nongenetic influences are known as

Accepted Answer

A)   environmental influences.
B)   biological influences.
C)   heredity.
D)   behavior genetics.E) A) and C)
F) A) and D)

Exam 2: The Biology of Behavior

The endocrine system's hormones are ________ messengers that travel through the ________.

Correct AnswerverifiedShow Answer

Any drug molecule that occupies a neurotransmitter receptor site and blocks the neurotransmitter's effect is a(n)

Correct AnswerverifiedShow Answer

Which of the following is considered the body's building blocks?

Correct AnswerverifiedShow Answer

A tendency for the brain's left and right hemispheres to serve different functions is called

Correct AnswerverifiedShow Answer

The ________ project enables researchers to examine differences between the brains of healthy people and those with various disorders.

Correct AnswerverifiedShow Answer

The brain is most likely to compensate for a loss of neurons by

Correct AnswerverifiedShow Answer

Norman is convinced that his son looks just like him and that his son inherited most of his genes from him.What would you say to Norman?

Correct AnswerverifiedShow Answer

A neural system at the border between the brainstem and the cerebral hemispheres is known as the

Correct AnswerverifiedShow Answer

A(n) ________ is a molecule that inhibits a neurotransmitter's action.

Correct AnswerverifiedShow Answer

Which brain structure receives information from all the senses except smell?

Correct AnswerverifiedShow Answer

Hormones are the chemical messengers of the

Correct AnswerverifiedShow Answer

Any drug molecule that binds to a neurotransmitter receptor site and mimics the neurotransmitter's excitatory or inhibitory effects is a(n)

Correct AnswerverifiedShow Answer

To detect Mr.Ziegler's loss of brain tissue from a degenerative disease,his physicians are most likely to request that he receive a(n)

Correct AnswerverifiedShow Answer

Infant rats deprived of their mothers' normal licking had more ________ that block access to the "on" switch for developing the brain's stress hormone receptors.

Correct AnswerverifiedShow Answer

Jason's intensely uncomfortable withdrawal symptoms following heroin use were probably due in part to a reduction of his body's normal production of

Correct AnswerverifiedShow Answer

The fight-or-flight response is most clearly associated with the release of ________ into the bloodstream.

Correct AnswerverifiedShow Answer

Neurotransmitters are best described as

Correct AnswerverifiedShow Answer

Nongenetic influences are known as

Correct AnswerverifiedShow Answer

The knee-jerk reflex requires the activity of the

Correct AnswerverifiedShow Answer

The motor cortex is located in the ________ lobes.

Correct AnswerverifiedShow Answer

The endocrine system's hormones are messengers that travel through the .

Correct Answer
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