Explain each of the seven medications listed in the case study. Include the classification, action, and rationale for each of these medications as they stem from pathophysiology for this patient's condition (e.g., consider morphine use outside of pain management).

 1. IV furosemide (Lasix): A loop diuretic, furosemide inhibits sodium and chloride reabsorption in the kidneys, increasing urine output. It's used to reduce fluid overload, a common issue in heart failure in Mrs.R.2. Enalapril (Vasotec): An ACE inhibitor, enalapril decreases blood pressure and reduces strain on the heart by preventing the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. It's indicated for hypertension and heart failure management in Mrs.R.3. Metoprolol (Lopressor): A beta-blocker, metoprolol reduces heart rate, blood pressure, and workload by blocking beta-adrenergic receptors. It's used to manage hypertension heart failure and to stabilize her 9