Page 1 of 127 NIGHTINGALE COLLEGE HESI PHARMACOLOGY EXAM 2025 - 2026 SOLVED QUESTIONS & ANSWERS VERIFIED 100% GRADED A+ (LATEST VERSION) WELL REVISED AND HIGHLY RECOMMENDALE 100% GUARANTEE PASS HESI Pharmacology Isotretinoin is prescribed for a client with severe acne. Before the administration of this medication, the nurse anticipates that which laboratory test will be prescribed? Potassium level Triglyceride level Hemoglobin A1C Total cholesterol level Triglyceride level Rationale: Isotretinoin can elevate triglyceride levels. Blood triglyceride levels should be measured before treatment and periodically thereafter until the effect on the triglycerides has been evaluated. There is no indication that isotretinoin affects potassium, hemoglobin A1C, or total cholesterol levels. A client with severe acne is seen in the clinic and the health care provider (HCP) prescribes isotretinoin. The nurse reviews the client's medication record and would contact the HCP if the client is also taking which medication? Digoxin Phenytoin Vitamin A Furosemide Vitamin A Rationale: Isotretinoin is a metabolite of vitamin A and can produce generalized intensification of isotretinoin toxicity. Because of the potential for increased toxicity,Page 2 of 127 vitamin A supplements should be discontinued before isotretinoin therapy. There are no contraindications associated with digoxin, phenytoin, or furosemide. The nurse