Final answer:
The responsibility of a psychiatrist is to evaluate and diagnose a patient's mental health condition and prescribe appropriate medication to manage their symptoms.
Step-by-step explanation:
The responsibility of a psychiatrist to a patient who has been referred to them and prescribed medication is to evaluate and diagnose the patient's mental health condition and prescribe appropriate medication to help manage their symptoms. Psychiatrists are medical doctors who specialize in mental health and are trained to understand the interactions between medications and the brain.
It's important to note that while psychiatrists can prescribe medication, they often work in collaboration with other mental health professionals, such as psychotherapists, to provide comprehensive care for the patient.