TEST BANK
U
SE
IS
O
N
N
O
C
ED
M
, 1. The idea that various brain regions have particular functions is known as
A) phrenology.
B) neural communication.
C) localization of function.
D) plasticity.
M
2. An axon transmits messages the cell body and a dendrite transmits messages
the cell body.
A) away from; toward
ED
B) away from; away from
C) toward; away from
D) toward; toward
C
3. To excite or inhibit an action potential in a receiving neuron, a neurotransmitter must
cross the
A) axon.
O
B) synaptic gap.
C) myelin sheath.
D) endocrine glands.
N
4. The release of to muscle cell receptors triggers muscle contractions.
N
A) ACh
B) serotonin
C) dopamine
O
D) adrenaline
5. Depressed mood states are linked to levels of serotonin and levels
IS
of norepinephrine.
A) low; low
B) high; high
SE
C) low; high
D) high; low
6. A drug molecule that increases the release of a neurotransmitter into the synaptic gap is
a(n)
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A) glutamate.
B) steroid.
C) agonist.
R
D) opiate.
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, 7. The peripheral nervous system consists of
A) interneurons.
B) the spinal cord.
C) endocrine glands.
D) sensory and motor neurons.
M
8. carry messages from the body's tissues and sensory receptors to the brain and
spinal cord for processing.
ED
A) Sensory neurons
B) Motor neurons
C) Interneurons
D) ANS
C
9. The autonomic nervous system most directly controls
A) speech production.
B) thinking and memory.
O
C) movement of the arms and legs.
D) bladder contractions.
N
10. The two nervous systems that work together to keep us in a state of homeostasis are the
nervous systems.
N
A) sympathetic and parasympathetic
B) sympathetic and somatic
C) parasympathetic and autonomic
O
D) somatic and autonomic
IS
11. When the nervous system is active, the pupils contract, heartbeat slows,
digestion is stimulated, and the bladder contracts.
A) autonomic
B) sympathetic
SE
C) somatic
D) parasympathetic
12. Although Ron has no genital sensations, he is capable of an erection if his genitals are
U
stimulated. Ron's experience is most indicative of a(n)
A) morphine antagonist.
B) severed spinal cord.
R
C) synaptic gap.
D) all-or-none response.
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, 13. The release of epinephrine and norepinephrine blood pressure and
blood sugar levels.
A) raises; raises
B) lowers; lowers
C) raises; lowers
M
D) lowers; raises
14. To monitor the electrical activity in the brain that is triggered by hearing one's own
ED
name, researchers would make use of a(n)
A) MRI.
B) PET scan.
C) EEG.
D) brain lesion.
C
15. Your life would be most immediately threatened if you suffered destruction of the
A) amygdala.
O
B) hippocampus.
C) cerebellum.
D) medulla.
N
16. Stimulation of the reticular formation will cause a
N
A) sleeping cat to awaken.
B) hungry cat to stop eating.
C) violent cat to become passive.
O
D) thirsty cat to drink.
IS
17. When people were shown happy and angry faces, their was found to activate
in response to the angry faces.
A) thalamus
B) hypothalamus
SE
C) basal ganglia
D) amygdala
18. Which neural center in the limbic system plays an important role in emotions such as
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fear and rage?
A) amygdala
B) thalamus
R
C) nucleus accumbens
D) hypothalamus
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