NAPLEX questions WITH COMPLETE SOLUTIONS

How is nitroglycerin stored? correct answer: - Non-PVC containers. - glass How often are clonidine patches replaced? correct answer: Once a week Dose of clonidine patches? correct answer: 0.1 mg/24h. Notice that the dose is in respect to 24 hours while patches are replaced once a week. Finding weekly dose would require you to multiply daily dose by 7 Sodium nitroprusside should be used? correct answer: immediately, but you have 24 hours in which you can use it. Short time frame due to risk of buildup of cyanide Sodium nitroprusside is added to D5W or NS? correct answer: D5W only How to transfer sodium nitroprusside? correct answer: Wrap in foil to reduce break down of material from light into toxic cyanide material Cyanide toxicity is associated with which agent? How do you treat it? correct answer: Sodium nitroprusside. Treat with sodium nitrate 3% and then sodium thiosulfate Digoxin levels for A.Fib correct answer: 0.8 - 2.0 Digoxin levels for CHF correct answer: 0.5 - 0.8 Prior to initiating digoxin, check correct answer: - Electrolytes (risk of hypokalemia and hypomag and hypercalcimia contributing to dig toxicity) - renal status (80% excreted renally) When do you check digoxin levels after initiation? correct answer: Check in 5-7 days after maintenance dose due to long half-life. Can take 1-3 weeks in patients with poor kidney fxns