A 71-year-old woman with HFrEF (EF 25%) is on lisinopril, metoprolol, and furosemide. She reports persistent edema despite high-dose furosemide. Labs: K 3.2, Cr 1.2. Which medication adjustment is most appropriate? 

A 54-year-old man with alcohol-related liver disease and severe protein-calorie malnutrition is prescribed phenytoin for new-onset seizures. Despite a “therapeutic” total level, the patient develops nystagmus, ataxia, and confusion. Which pharmacokinetic change best explains these findings? 

Phenylephrine nasal spray is prescribed. The NP advises caution because prolonged use may cause: 

Which electrolyte abnormality is most strongly associated with loop diuretics? 

A 40-year-old with acute pulmonary edema is treated with IV furosemide. Shortly after, he reports hearing loss. Which mechanism explains this? 

A patient receives high-dose lidocaine IV infusion and develops seizures and arrhythmia. This reflects: 

Nitroprusside is used in hypertensive emergencies because it: 

MATCHING: Answer the following questions about each of the Energy Systems:  ATP-Phosphocreatine, Anaerobic Glycolysis, Oxidative Phosphorylation: Type of exercise associated with this system?

MATCHING: Answer the following questions about each of the Energy Systems:  ATP-Phosphocreatine, Anaerobic Glycolysis, Oxidative Phosphorylation: How long does it last?

Answer the following questions about each of the Energy Systems:  Oxidative Phosphorylation: Is it anaerobic or aerobic?