Multiple Choice
What class of drugs selectively blocks the reuptake of serotonin into presynaptic axon terminals?
A) phosphodiesterase-type 5 (PDE-5) inhibitors
B) selective serotonin reuptake stimulators (SSRSs)
C) phosphodiesterase-type 5 (PDE-5) stimulators
D) selective serotonin reuptake inhibitors (SSRIs)
E) phosphodiesterase-type 2 (PDE-2) inhibitors
Correct Answer:

Verified
Correct Answer:
Verified
Q51: The voltage-gated sodium channel has two gates:
Q52: The amino acid _ is a primary
Q53: The strength of a stimulus is coded
Q54: Figure 4-5<br>Use the accompanying diagram to answer
Q55: The endocrine system is specialized to control
Q57: What ensures the one-way propagation of an
Q58: Voltage-gated sodium channels can exist in how
Q59: What proportion of all drugs prescribed today
Q60: _ potentials are local changes in membrane
Q61: Figure 4-5<br>Use the accompanying diagram to answer