Pharmacology HESI

Correct Answer: A

Rationale: Allopurinol is an antigout medication that works by reducing the production of uric acid in the body. To prevent kidney stones and promote the excretion of uric acid, increased fluid intake is essential. Instructing the client to drink 3000 mL of fluid per day helps to reduce the risk of kidney stones and assists in the elimination of uric acid, thereby enhancing the effectiveness of allopurinol therapy.

Correct Answer: A

Rationale: Lisinopril should be taken daily as prescribed and not skipped. Skipping doses can lead to ineffective treatment.

Correct Answer: B

Rationale: The therapeutic serum level for digoxin ranges from 0.5 to 2 ng/mL. This range is considered optimal for therapeutic effects while minimizing the risk of toxicity. Levels above 2 ng/mL may lead to digoxin toxicity, which can manifest as anorexia among other symptoms. Therefore, the nurse should be vigilant in monitoring the digoxin levels to ensure the client's safety and therapeutic effectiveness of the medication.

Correct Answer: A

Rationale: Allopurinol is an antigout medication that works by reducing the production of uric acid in the body. To prevent kidney stones and promote the excretion of uric acid, increased fluid intake is essential. Instructing the client to drink 3000 mL of fluid per day helps to reduce the risk of kidney stones and assists in the elimination of uric acid, thereby enhancing the effectiveness of allopurinol therapy.

Correct Answer: C

Rationale: When prednisone is prescribed for a client with diabetes mellitus who is taking Humulin NPH insulin daily, the nurse should anticipate an increased amount of daily Humulin NPH insulin. Prednisone, a glucocorticoid, can elevate blood glucose levels, requiring an increase in insulin dosage to maintain optimal blood sugar control.