Download Practice Test Neuroscience I

Practice Test Neuroscience I
1. An axon transmits messages ________ the cell body and a dendrite transmits messages
________ the cell body.
A) toward; away from
B) toward; toward
C) away from; away from
D) away from; toward
2. Multiple sclerosis is a disease that is most directly associated with the degeneration of:
A) endorphins.
B) dendrites.
C) the pituitary gland.
D) the myelin sheath.
3. Drugs that block the reuptake of serotonin will thereby increase the concentration of
serotonin molecules in the:
A) endocrine glands.
B) glial cells.
C) axon terminals.
D) synaptic gaps.
4. A synapse is a(n):
A) neural network.
B) junction between a sending neuron and a receiving neuron.
C) neural cable containing many axons.
D) chemical messenger that triggers muscle contractions.
E) automatic response to sensory input.
5. In stressful situations, the sympathetic nervous system ________ blood sugar levels and
________ the pupils of the eyes.
A) lowers; contracts
B) raises; dilates
C) raises; contracts
D) lowers; dilates
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6. Which of the following chemical messengers is both a neurotransmitter and a hormone?
A) norepinephrine
B) serotonin
C) dopamine
D) insulin
E) acetylcholine
7. The peripheral nervous system consists of:
A) sensory and motor neurons.
B) association areas.
C) the spinal cord.
D) the reticular formation.
8. Information travels from the spinal cord to the brain via:
A) the circulatory system.
B) the sympathetic nervous system.
C) interneurons.
D) the endocrine system.
E) sensory neurons.
9. The release of epinephrine and norepinephrine ________ blood pressure and _______
blood sugar levels.
A) lowers; lowers
B) raises; lowers
C) lowers; raises
D) raises; raises
10. While listening to operatic solos, musicians process the lyrics and the tunes in separate
brain areas. This most clearly illustrates the functioning of different:
A) limbic systems.
B) neural networks.
C) neurotransmitters.
D) reticular formations.
11. Natural, opiatelike neurotransmitters linked to pain control are called:
A) glial cells.
B) morphene antagonists.
C) ACh agonists.
D) dendrites.
E) endorphins.
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12. Depressed mood states are linked to ________ levels of serotonin and ________ levels
of norepinephrine.
A) high; low
B) low; high
C) low; low
D) high; high
13. An axon is:
A) the extension of a neuron that carries messages away from the cell body.
B) an antagonist molecule that blocks neurotransmitter receptor sites.
C) a cell that serves as the basic building block of the nervous system.
D) a junction between a sending and receiving neuron.
E) a layer of fatty tissue that encases the fibers of many neurons.
14. A drug that blocks the reuptake of a particular neurotransmitter is called a(n):
A) agonist.
B) glutamate.
C) opiate.
D) antagonist.
15. The autonomic nervous system most directly controls:
A) bladder contractions.
B) movement of the arms and legs.
C) speech production.
D) thinking and memory.
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Answer Key
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
D
D
D
B
B
A
A
C
D
B
E
C
A
A
A
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