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1. Which of the following activities is NOT a function of the spinal cord?
A) carrying sensory information from “body” (that is, skin, muscles, joints, and
internals organs) to brain
B) carrying motor information from brain to “body”
C) modulating sensory information en route from “body” to brain
D) initiating motor commands to “body”
2. The brain stem includes all but the following:
A) pons.
B) medulla.
C) midbrain.
D) thalamus.
3. The brain stem is involved in all of the following functions, EXCEPT:
A) attention.
B) filtering.
C) arousal.
D) behavioral alerting (vigilance).
4. The diencephalon includes all but the following:
A) hypothalamus.
B) pituitary gland.
C) subthalamus.
D) cerebrum.
5. The correct sequence for hormone release is the following:
A) pituitary gland → hypothalamus → target organ.
B) hypothalamus → pituitary gland → target organ.
C) pituitary gland → target organ → hypothalamus.
D) hypothalamus → target organ → pituitary gland.
6. The hypothalamus is a motivating force behind all the following behaviors, EXCEPT:
A) the drive to eat.
B) the drive to drink.
C) the drive for sex.
D) the rage response.

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7. Which of the following is NOT a member of the limbic system?
A) hypothalamus
B) amygdala
C) hippocampus
D) dopamine-rich reward centers
8. The basic cellular unit of the central nervous system is the:
A) nerve.
B) tract.
C) axon.
D) neuron.
9. In neurophysiology, the term exocytosis applies to:
A) the neural cell body.
B) the presynaptic terminal of the neural cell.
C) the vesicles of the neural cell.
D) both the presynaptic terminal and the vesicles of the neural cell.
10. The conduction velocity of two neurons was compared. The action potential was
conducted much faster in Neuron A than in Neuron B. These data suggest that:
A) Neuron A is shorter than Neuron B.
B) Neuron B must possess a myelin sheath.
C) Neuron B is found in the spinal cord.
D) Neuron A possesses a myelin sheath.
11. The nucleus of a neural cell is found in the:
A) soma.
B) dendrite.
C) axon.
D) presynaptic terminal.
12. Administration of the psychedelic drug scopolamine results in:
A) blockade of postsynaptic ACh receptors.
B) increased degradation of ACh.
C) decreased synthesis of ACh.
D) increased levels of ACh.

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13. Inhibition of acetylcholine esterase (AChE) results in:
A) blockade of postsynaptic ACh receptors.
B) increased degradation of ACh.
C) decreased synthesis of ACh.
D) increased levels of ACh.
14. Inhibition of acetylcholine esterase (AChE) results in:
A) blockade of postsynaptic ACh receptors.
B) increased degradation of ACh.
C) decreased degradation of ACh.
D) decreased synthesis of ACh.
15. Insecticides produce their effects by:
A) blocking postsynaptic ACh receptors.
B) increasing degradation of ACh.
C) decreasing synthesis of ACh.
D) increasing levels of ACh.
16. Nerve gases such as Sarin produce their effects by:
A) blocking postsynaptic ACh receptors.
B) increasing degradation of ACh.
C) decreasing synthesis of ACh.
D) increasing levels of ACh.
17. Reversible acetylcholine esterase (AChE) inhibitors are used clinically to treat:
A) Parkinson's disease.
B) multiple sclerosis.
C) muscular dystrophy.
D) Alzheimer's disease.
18. Muscarinic receptors are:
A) ionotropic.
B) metabotropic.
C) “fast.”
D) presynaptic.

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19. The catecholamines include all of the following neurotransmitters, EXCEPT:
A) norepinephrine (NE).
B) dopamine (DA).
C) serotonin (5-HT).
D) epinephrine (E).
20. The mechanism of action of the MAO inhibitor antidepressants is:
A) blockade of receptors (antagonist action).
B) blockade of neurotransmitter reuptake (reuptake inhibitor).
C) blockade of enzymatic breakdown of neurotransmitter.
D) increase in release of neurotransmitter.
21. An experimental lesion is performed in a mouse resulting in a dramatic change in the
amount of REM sleep displayed by the animal. Based on what you know about
neurotransmitters, the most reasonable conclusion is that the circuit involved must use:
A) dopamine.
B) acetylcholine.
C) glutamate.
D) GABA.
22. In neurochemistry, the terms alpha and beta refer to subtypes of the neurotransmitter:
A) NE.
B) DA.
C) 5-HT.
D) E.
23. A new drug has been developed that improves psychotic symptoms in schizophrenics.
Based on current knowledge in behavioral pharmacology, the ______ receptor is a
possible site of action.
A) D1
B) D5
C) D2A
D) D6B
24. Cell bodies of the neurotransmitter norepinephrine (NE) originate from the _____; its
precursor (that is, the chemical from which it is directly converted) is _____.
A) midbrain; l-dopa
B) midbrain; dopamine
C) locus coeruleus; l-dopa
D) locus coeruleus; dopamine

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