Multiple Choice
Viagra is a drug used to treat erectile dysfunction by dilating arteries in the penis. The neurotransmitter that Viagra affects is
A) acetylcholine.
B) nitric oxide.
C) serotonin.
D) histamine.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Every neuron has<br>A)many axons.<br>B)a cell body.<br>C)myelin.<br>D)a neurilemma.
Q2: The space between neurons is called the
Q4: Several nerve fibers converging onto one neuron
Q5: Most of the neurons in the brain
Q6: Synaptic knobs are at the ends of<br>A)axons.<br>B)dendrites.<br>C)cell
Q7: Convergence refers to<br>A)dendrites from neurons in different
Q8: A nerve is a single neuron that
Q9: The neurotransmitter that controls skeletal muscle contraction
Q10: Saltatory conduction<br>A)occurs only if the myelin sheath
Q11: Drugs that inhibit the enzyme monoamine oxidase<br>A)allow