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Which of the following formulas for a compound containing the Cr2+ ion is incorrect?

Which of the following does not have the same number of electrons as a noble gas atom?

A patient with chronic migraine reports daily use of combination acetaminophen, aspirin, and caffeine for headache relief. She now experiences near-daily headaches with reduced response to medications. Which intervention is most appropriate?

A 54-year-old patient on chronic oxycodone therapy for noncancer back pain presents to the ED with somnolence and a respiratory rate of 8 breaths/min. Naloxone is administered, resulting in abrupt agitation, hypertension, vomiting, and severe pain. Which pharmacologic principle best explains this response?

A medication has a very narrow therapeutic index. Which statement best describes its clinical implications?

A patient carries a gene variant that causes reduced drug-metabolizing enzyme activity. Which outcome is most likely?

A patient asks why CGRP receptor antagonists are effective for migraine treatment. Which mechanism best explains their therapeutic effect?

During simulation, an APRN student gives a drug that blocks a receptor but does so reversibly. When the instructor increases the dose of the agonist, the normal receptor response returns.Which explanation best fits this situation?

Two opioids (Drug A and Drug B) provide equal analgesia, but Drug A requires a much lower dose than Drug B. Which statement is correct?

A patient develops a new pruritic rash two days after beginning a prescribed medication. To determine whether this could be an adverse drug reaction (ADR), which initial assessment question is MOST important?