Question 1

Magnetic resonance imaging allows a scientist to:

Accepted Answer

A)   explore the inner space of the brain without using chemicals.
B)   study the consumption of glucose in different regions of the brain.
C)   detect electrical activity within a single cell.
D)   tell us precisely what is happening physiologically inside a person's head.

Question 2

Which part of the neuron transmits messages to other neurons, to muscles, and to gland cells?

Accepted Answer

A)   axon
B)   dendrite
C)   glia
D)   cell body

Question 3

Hundreds of substances are known or suspected to be neurotransmitters.

Accepted Answer

A) True 
 B)False

Question 4

When a person quickly determines the emotional importance of sensory information in order to decide whether or not to approach a person, the ________ is responsible for this function.

Accepted Answer

A)   hippocampus
B)   amygdala
C)   cerebellum
D)   pons

Question 5

A surgeon is electrically stimulating your auditory cortex with a probe. Which of the following would you be most likely to experience?

Accepted Answer

A)   nothing at all
B)   a sense of being gently touched
C)   hearing a sound
D)   the emotion of anger

Question 6

What structure in the brain plays a role in drives associated with survival of the individual and the species?

Accepted Answer

A)   the hypothalamus
B)   the cerebellum
C)   the thalamus
D)   the cortex

Question 7

Sympathetic nervous system activation stimulates:

Accepted Answer

A)   ejaculation in males.
B)   secretion of tears.
C)   salivation.
D)   constriction of the bronchial tubes.

Question 8

When a neurotransmitter molecule binds briefly with a receptor site, changes occur in the receiving neuron's membrane. If there is a voltage shift in a positive direction then the effect is:

Accepted Answer

A)   an inhibitory effect.
B)   a decreased probability that the receiving neuron will fire.
C)   an excitatory effect.
D)   to prevent an action potential from occurring.

Question 9

In general, the ________ hemisphere is in charge of the left side of the body and the ________ is in charge of the right side of the body.

Accepted Answer

A)   right; left
B)   left; right
C)   lateral; frontal
D)   frontal; lateral

Question 10

How can scientists study the living brain, since it is protected by the skull? The textbook notes several methods for this type of study. Describe the different approaches that have been used to explore the workings of the brain.

Accepted Answer

A good answer will include the following...

Question 11

When researchers used MRI scans to observe brain functioning during different rhyme-judgment tasks they found that:

Accepted Answer

A)   women and men did equally well on the test.
B)   men outperformed women on the test when sensible rhymes were used.
C)   women outperformed men on the test when sensible rhymes were used.
D)   women's judgments were superior for nonsense rhymes.

Question 12

Dr. Stearns is studying what happens behaviourally when a brain area is temporarily inactivated. Which method is she most likely to be using?

Accepted Answer

A)   PET scans
B)   transcranial magnetic stimulation
C)   functional MRIs
D)   lesion studies with animals

Question 13

Which of the following statements is NOT true?

Accepted Answer

A)   The sympathetic nervous system controls body reflexes and the parasympathetic controls reflexes of the head.
B)   The sympathetic and parasympathetic nervous systems act in opposing ways to adjust the body to changing circumstances.
C)   The sympathetic nervous system acts like an accelerator and the parasympathetic like a brake.
D)   The sympathetic nervous system speeds up the body and the parasympathetic slows it down.

Question 14

Match these descriptions with the division of the nervous system they describe.
-The portion of the nervous system that regulates the internal organs and glands.

Accepted Answer

A)  autonomic nervous system
B)  sympathetic nervous system
C)  peripheral nervous system
D)  somatic nervous system
E)  central nervous system

Question 15

Action potentials travel swiftly down:

Accepted Answer

A)   dendrites with myelin and more slowly in dendrites without myelin.
B)   axons without myelin and more slowly in axons with myelin.
C)   dendrites without myelin and more slowly in dendrites with myelin.
D)   axons with myelin and more slowly in axons without myelin.

Question 16

The prefrontal cortex takes up about 7% of the cerebral cortex in dogs and about ________ in humans.

Accepted Answer

A)   12%
B)   38%
C)   17%
D)   29%

Question 17

Which of the following sex hormones contributes to the growth and maintenance of the uterine lining in preparation for a fertilized egg?

Accepted Answer

A)   testosterone
B)   serotonin
C)   progesterone
D)   dopamine

Question 18

The spinal cord cannot produce behaviours unless it has been helped by the brain.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following regions contains the somatosensory cortex, which receives information about pressure, pain, touch, and temperature from all over the body?

Accepted Answer

A)   parietal lobes
B)   occipital lobes
C)   frontal lobes
D)   temporal lobes

Question 20

Many axons are insulated by a surrounding layer of fatty material, which is made up of glial cells.

Accepted Answer

A) True 
 B)False

Exam 4: The Brain: Source of Mind and Self

Which part of the neuron transmits messages to other neurons, to muscles, and to gland cells?

Correct AnswerverifiedShow Answer

In general, the ________ hemisphere is in charge of the left side of the body and the ________ is in charge of the right side of the body.

Correct AnswerverifiedShow Answer

Action potentials travel swiftly down:

Correct AnswerverifiedShow Answer

Sympathetic nervous system activation stimulates:

Correct AnswerverifiedShow Answer

When researchers used MRI scans to observe brain functioning during different rhyme-judgment tasks they found that:

Correct AnswerverifiedShow Answer

Hundreds of substances are known or suspected to be neurotransmitters.

Correct AnswerverifiedShow Answer

Magnetic resonance imaging allows a scientist to:

Correct AnswerverifiedShow Answer

Which of the following statements is NOT true?

Correct AnswerverifiedShow Answer

Which of the following regions contains the somatosensory cortex, which receives information about pressure, pain, touch, and temperature from all over the body?

Correct AnswerverifiedShow Answer

The spinal cord cannot produce behaviours unless it has been helped by the brain.

Correct AnswerverifiedShow Answer

Dr. Stearns is studying what happens behaviourally when a brain area is temporarily inactivated. Which method is she most likely to be using?

Correct AnswerverifiedShow Answer

Which of the following sex hormones contributes to the growth and maintenance of the uterine lining in preparation for a fertilized egg?

Correct AnswerverifiedShow Answer

A surgeon is electrically stimulating your auditory cortex with a probe. Which of the following would you be most likely to experience?

Correct AnswerverifiedShow Answer

Many axons are insulated by a surrounding layer of fatty material, which is made up of glial cells.

Correct AnswerverifiedShow Answer

When a person quickly determines the emotional importance of sensory information in order to decide whether or not to approach a person, the ________ is responsible for this function.

Correct AnswerverifiedShow Answer

The prefrontal cortex takes up about 7% of the cerebral cortex in dogs and about ________ in humans.

Correct AnswerverifiedShow Answer

Match these descriptions with the division of the nervous system they describe. -The portion of the nervous system that regulates the internal organs and glands.

Correct AnswerverifiedShow Answer

When a neurotransmitter molecule binds briefly with a receptor site, changes occur in the receiving neuron's membrane. If there is a voltage shift in a positive direction then the effect is:

Correct AnswerverifiedShow Answer

What structure in the brain plays a role in drives associated with survival of the individual and the species?

Correct AnswerverifiedShow Answer

How can scientists study the living brain, since it is protected by the skull? The textbook notes several methods for this type of study. Describe the different approaches that have been used to explore the workings of the brain.

Correct AnswerverifiedA good answer will include the following...View AnswerShow Answer

Correct Answer
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In general, the hemisphere is in charge of the left side of the body and the is in charge of the right side of the body.

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A good answer will include the following...
View Answer