Bill has been taking Prozac (fluoxetine),a selective serotonin reuptake inhibitor,for his depression for some time now.However,he has found that the drug has become less effective over time.This effect may be due to receptor:

Question

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Desensitization occurs when a receptor becomes less responsive to a drug or neurotransmitter over time. In the case of Bill, his decreasing response to Prozac may be due to desensitization of his serotonin receptors.

Bill Has Been Taking Prozac (Fluoxetine),a Selective Serotonin Reuptake Inhibitor,for