Through pharmacogenetic testing, you found out a patient is…

Through pharmacogenetic testing, you found out a patient is an ultra-rapid metabolizer at CYP 2D6. If this patient is taking a medication that is a prodrug that requires metabolism to its active form for efficacy, which of the following is likely to happen?

A 19-year-old patient is brought to the emergency department…

A 19-year-old patient is brought to the emergency department after a snowmobile accident by his friend. The patient is acutely confused, has a scalp laceration, and is complaining of a headache. Which action should the nurse take first to obtain an accurate history and ensure safe, effective care?