Question 1

Botulin blocks the release of ACh.Botulin is best described as a(n)

Accepted Answer

A)   opiate.
B)   glutamate.
C)   antagonist.
D)   neurotransmitter.E) B) and C)
F) All of the above

Question 2

Some neurons enable you to grasp objects by relaying outgoing messages to the muscles in your arms and hands.These neurons are called

Accepted Answer

A)   interneurons.
B)   sensory neurons.
C)   neurotransmitters.
D)   motor neurons.E) A) and D)
F) All of the above

Question 3

The amygdala,hypothalamus,and hippocampus are part of the

Accepted Answer

A)   brainstem.
B)   limbic system.
C)   reticular formation.
D)   cerebral hemispheres.E) None of the above
F) C) and D)

Question 4

The temporary inflow of positive ions through an axon membrane is the

Accepted Answer

A)   resting potential.
B)   refractory period.
C)   action potential.
D)   threshold.E) A) and D)
F) A) and C)

Question 5

The slowdown of neural communication in multiple sclerosis results from the degeneration of the

Accepted Answer

A)   amygdala.
B)   endorphins.
C)   myelin sheath.
D)   pituitary gland.E) A) and B)
F) A) and C)

Question 6

If you lose a foot,the somatosensory cortex that received its input will begin to pick up signals from the formerly adjoined leg.This best illustrates the value of

Accepted Answer

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

Question 7

Agonists are chemical molecules that increase the activity of

Accepted Answer

A)   motor neurons.
B)   genes.
C)   synapses.
D)   neurotransmitters.E) A) and B)
F) A) and C)

Question 8

At the age of 22,Mrs.LaBlanc was less than 4 feet tall.Her short stature was probably influenced by the lack of a growth hormone produced by the

Accepted Answer

A)   pancreas.
B)   thyroid.
C)   adrenal gland.
D)   pituitary gland.E) A) and B)
F) All of the above D

Question 9

Genetic influences on personality traits are most clearly highlighted by comparing ________ with ________.

Accepted Answer

A)   identical twins raised together;identical twins raised apart
B)   fraternal twins raised together;identical twins raised apart
C)   identical twins raised together;fraternal twins raised together
D)   fraternal twins raised apart;identical twins raised togetherE) A) and B)
F) A) and C)

Question 10

The biochemical units of heredity that make up the chromosomes are called

Accepted Answer

A)   genes.
B)   genomes.
C)   epigenetic molecules.
D)   neurotransmitters.E) A) and B)
F) A) and C)

Question 11

Information is most quickly transmitted from one cerebral hemisphere to the other by the

Accepted Answer

A)   corpus callosum.
B)   motor cortex.
C)   association areas.
D)   somatosensory cortex.E) B) and D)
F) A) and D)

Question 12

The left cerebral hemisphere is typically superior to the right in

Accepted Answer

A)   spatial reasoning.
B)   speech production.
C)   visual perception.
D)   musical abilities.E) B) and D)
F) B) and C)

Question 13

People's reactions to our genetically influenced traits constitute part of our

Accepted Answer

A)   epigenetic marks.
B)   environment.
C)   genome.
D)   natural selection.E) All of the above
F) B) and C)

Question 14

Mutations result from random errors in

Accepted Answer

A)   brain development.
B)   gene replication.
C)   natural selection.
D)   neural transmission.E) None of the above
F) A) and B)

Question 15

The division of the peripheral nervous system controlling the body's skeletal muscles is the

Accepted Answer

A)   motor nervous system.
B)   sympathetic nervous system.
C)   somatic nervous system.
D)   parasympathetic nervous system.E) A) and C)
F) B) and D) C

Question 16

Mathematical computations by a computer are faster than your quickest mathematical computations because the top speed of a neural impulse is about ________ times slower than the speed of electricity through the wired circuitry in a computer.

Accepted Answer

A)   3 hundred
B)   3 thousand
C)   3 hundred thousand
D)   3 millionE) B) and C)
F) A) and D) D

Question 17

Curare is a paralyzing poison that functions as a(n)

Accepted Answer

A)   ACh agonist.
B)   GABA agonist.
C)   ACh antagonist.
D)   GABA antagonist.E) A) and B)
F) A) and C)

Question 18

The hypothalamus influences the ________ to send messages to the ________.

Accepted Answer

A)   adrenal glands;pancreas
B)   pituitary;endocrine glands
C)   motor neurons;sensory neurons
D)   somatic nervous system;autonomic nervous systemE) A) and B)
F) A) and C)

Question 19

An action potential registers an electrical charge of

Accepted Answer

A)   -70 millivolts.
B)   -55 millivolts.
C)   +40 millivolts.
D)   +70 millivolts.E) All of the above
F) B) and C)

Question 20

When the effect of one factor depends on the presence of another factor,outcomes are said to reflect

Accepted Answer

A)   an epigenetic mark.
B)   an interaction.
C)   natural selection
D)   adaptive flexibilityE) A) and B)
F) C) and D)

Exam 2: The Biology of Behavior

Botulin blocks the release of ACh.Botulin is best described as a(n)

Correct AnswerverifiedShow Answer

Some neurons enable you to grasp objects by relaying outgoing messages to the muscles in your arms and hands.These neurons are called

Correct AnswerverifiedShow Answer

The amygdala,hypothalamus,and hippocampus are part of the

Correct AnswerverifiedShow Answer

The temporary inflow of positive ions through an axon membrane is the

Correct AnswerverifiedShow Answer

The slowdown of neural communication in multiple sclerosis results from the degeneration of the

Correct AnswerverifiedShow Answer

If you lose a foot,the somatosensory cortex that received its input will begin to pick up signals from the formerly adjoined leg.This best illustrates the value of

Correct AnswerverifiedShow Answer

Agonists are chemical molecules that increase the activity of

Correct AnswerverifiedShow Answer

At the age of 22,Mrs.LaBlanc was less than 4 feet tall.Her short stature was probably influenced by the lack of a growth hormone produced by the

Correct AnswerverifiedD

Genetic influences on personality traits are most clearly highlighted by comparing ________ with ________.

Correct AnswerverifiedShow Answer

The biochemical units of heredity that make up the chromosomes are called

Correct AnswerverifiedShow Answer

Information is most quickly transmitted from one cerebral hemisphere to the other by the

Correct AnswerverifiedShow Answer

The left cerebral hemisphere is typically superior to the right in

Correct AnswerverifiedShow Answer

People's reactions to our genetically influenced traits constitute part of our

Correct AnswerverifiedShow Answer

Mutations result from random errors in

Correct AnswerverifiedShow Answer

The division of the peripheral nervous system controlling the body's skeletal muscles is the

Correct AnswerverifiedC

Mathematical computations by a computer are faster than your quickest mathematical computations because the top speed of a neural impulse is about ________ times slower than the speed of electricity through the wired circuitry in a computer.

Correct AnswerverifiedD

Curare is a paralyzing poison that functions as a(n)

Correct AnswerverifiedShow Answer

The hypothalamus influences the ________ to send messages to the ________.

Correct AnswerverifiedShow Answer

An action potential registers an electrical charge of

Correct AnswerverifiedShow Answer

When the effect of one factor depends on the presence of another factor,outcomes are said to reflect

Correct AnswerverifiedShow Answer

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D

Genetic influences on personality traits are most clearly highlighted by comparing with .

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C

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D

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The hypothalamus influences the to send messages to the .

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