A prescribing practitioner has ordered cytochrome P450 testing for a patient who is not responding to his current antidepressant medication. Which is the best explanation the nurse can provide the patient for why the provider has ordered the test?
1. "It can help find the most beneficial medication."
2. "It provides important information for pharmacological research."
3. "It may rule out any organic causes of your depression."
4. "It helps determine the extent and severity of your depression."
Answer: 1
Explanation: Cytochrome P450 testing can assist in determining which psychotropic medications might be more beneficial for an individual and more efficiently processed by an individual's metabolism. Although the testing might provide pharmacological information, it is intended to determine the most effective medication for the individual patient. It is not used for determining causality of a mental health disorder nor for making differential diagnoses.
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