Overstimulation of postsynaptic receptors may lead to a decrease in the receptors' responsiveness.A brief and transient decrease in receptor responsiveness is known as _____,whereas a more prolonged process in which the actual number of available receptors is diminished is known as _________.
A) down-regulation;desensitization
B) desensitization;up-regulation
C) up-regulation;desensitization
D) down-regulation;autophosphorylation
E) desensitization;down-regulation
Correct Answer:
Verified
Q1: The primary location for receptors that recognize
Q3: A drug that binds readily to available
Q3: Some drugs affect the function of the
Q4: A drug that binds to a receptor
Q4: A drug that fails to evoke a
Q5: Signals from the surface receptor are transduced
Q7: The acetylcholine receptor located on the postsynaptic
Q8: In contrast to an agonist,a pharmacologic antagonist:
A)has
Q9: A noncompetitive antagonist:
A)has a more or less
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