ATI Pharmacology Proctored Exam 2023

Correct Answer: A

Rationale: The correct answer is Acetylcysteine. Acetylcysteine is the antidote for acetaminophen overdose. It works by replenishing glutathione, which is depleted in cases of acetaminophen overdose, thus preventing liver damage. Pegfilgrastim is a medication used to stimulate white blood cell production, misoprostol is a medication used to prevent gastric ulcers, and naltrexone is used in the management of opioid addiction and alcohol dependence, which are not indicated in the scenario described.

Correct Answer: C

Rationale: Propranolol is a beta-adrenergic antagonist that decreases heart rate and controls tremors.

Correct Answer: D

Rationale: The correct instruction for taking Colesevelam is to take it with food and at least one glass of water to ensure proper absorption and reduce the risk of gastrointestinal side effects.

Correct Answer: C

Rationale: Methylnaltrexone is an opioid antagonist used to treat severe constipation unresponsive to laxatives in opioid-dependent clients. It functions by blocking the mu opioid receptors in the gastrointestinal tract, helping alleviate constipation associated with opioid use.

Correct Answer: C

Rationale: The correct answer is increased urine output. Dopamine increases cardiac output and improves renal perfusion, leading to increased urine output. This response indicates that the medication is effective in treating shock by enhancing renal function and perfusion.