1. The neurotransmitter at the neuromuscular synapse is:
A. Serotonin
B. Glutamate
C. Dopamine
D. Acetylcholine

2. Which ion is believed to activate previously inactive enzymes within the axon terminals?
A. Na+
B. K+
C. Ca++
D. Cl-

3. At muscarinic cholinergic synapses:
A. depolarize the membrane
B. hyperpolarize the membrane
C. are directly dated
D. All of the Above
E. None of the above

4. Upon stimulation of a nerve,
A. positive charges move in.
B. the nerve becomes depolarized.
C. an impulse begins to move down the axon.
D. the nerve cell membrane becomes permeable to sodium.
E. All of the choices are correct.

5. The myelin sheath is
A. formed by Schwann cells.
B. a protein covering around axons only.
C. cellular covering of dendrites only.
D. fatty covering of cell bodies.

6. During slow wave sleep:
A. all skeletal muscles are inhibited
B. heart rate goes up
C. parasympathetic outflow dominates autonomic activity
D. none of the above

7. Which of the following statements about inhibitory postsynaptic potentials is TRUE?
A. They occur in axons.
B. They are graded hyperpolarizations.
C. They are all-or-none.
D. They are graded depolarizations.

8. Speech in patients with Wernickes Aphasia is:
A. labored and articualtion is impaired
B. usually grammatically normal
C. usually grammatically abnormal
D. none of the above

9. According to the all-or-none law of action potentials
A. the amplitude of action potentials is constant
B. the frequency of action potentials is constant
C. the speed of conduction is constant
D. All of these choices are true

10. When an axon is stimulated, the K+ gates open
A. before the Na+ gates open and close
B. after the Na+ gates open and close
C. at the same time that the Na+ gates open