ATI Pharmacology Proctored Exam 2023 Quizlet

Correct Answer: C

Rationale: When a patient is being treated with Lithium, a life-threatening side effect to watch out for is seizures. Seizures are serious and necessitate prompt medical intervention to ensure the patient's safety and well-being.

Correct Answer: C

Rationale: Alprazolam (Xanax) is a medication commonly prescribed to treat anxiety disorders and panic attacks. It belongs to the class of medications known as benzodiazepines, which work by enhancing the effects of gamma-aminobutyric acid (GABA) in the brain to produce a calming effect. Phenytoin is an antiepileptic drug, not typically used for anxiety or panic attacks. Lithium is primarily used to treat bipolar disorder, not anxiety. Spironolactone is a diuretic primarily used to treat conditions like high blood pressure and heart failure, not anxiety or panic attacks.

Correct Answer: D

Rationale: Erectile dysfunction drugs are contraindicated with Nitroglycerin because they can potentiate the hypotensive effects of Nitroglycerin, leading to severe hypotension.

Correct Answer: A

Rationale: Low potassium levels can lead to Digoxin toxicity because Digoxin competes with potassium for binding sites on the sodium-potassium pump, and when potassium levels are low, there is an increased risk of Digoxin binding and toxicity.

Correct Answer: C

Rationale: A decrease in hemoglobin A1C is a more specific indicator of metformin's effectiveness in controlling blood glucose levels over a longer period compared to fasting blood glucose levels. Hemoglobin A1C reflects average blood sugar levels over the past 2-3 months, providing a more comprehensive view of glycemic control.