HESI RN
HESI Pharmacology Quizlet
1. A client is prescribed phenytoin (Dilantin) for seizure control. Which statement by the client indicates an understanding of the medication?
- A. I should brush and floss my teeth regularly.
- B. I should take the medication with antacids.
- C. I can stop taking the medication once my seizures are controlled.
- D. I should avoid drinking milk while taking this medication.
Correct answer: A
Rationale: The correct statement is 'I should brush and floss my teeth regularly.' Phenytoin (Dilantin) can cause gingival hyperplasia, so maintaining good oral hygiene is essential. Taking the medication with antacids can affect its absorption, so it should not be done. It is crucial not to stop taking the medication abruptly, even if seizures are controlled. There is no specific requirement to avoid milk while taking phenytoin (Dilantin).
2. A client with diabetes mellitus is prescribed Humulin NPH insulin. The client asks the nurse how to store unopened vials of insulin. The nurse instructs the client to:
- A. Freeze the insulin.
- B. Refrigerate the insulin.
- C. Store the insulin in a dark, dry place.
- D. Keep the insulin at room temperature.
Correct answer: B
Rationale: Unopened vials of insulin should be stored in the refrigerator until needed. Freezing insulin can damage it, affecting its efficacy. Storing insulin in a dark, dry place or at room temperature is not recommended as it can lead to degradation of the insulin. Refrigeration helps maintain the stability and effectiveness of insulin.
3. Rifabutin (Mycobutin) is prescribed for a client with active Mycobacterium avium complex (MAC) disease and tuberculosis. The nurse monitors for which side effects of the medication? Select one that doesn't apply.
- A. Signs of hepatitis
- B. Flu-like syndrome
- C. Low neutrophil count
- D. Vitamin B6 deficiency
Correct answer: D
Rationale: Rifabutin is known to cause side effects such as hepatitis, flu-like syndrome, low neutrophil count, and ocular pain or blurred vision. Vitamin B6 deficiency is not associated with rifabutin but is a side effect of isoniazid (INH). Therefore, the nurse should not monitor for Vitamin B6 deficiency when administering rifabutin.
4. The client with acute myelocytic leukemia is being treated with busulfan (Myleran). Which laboratory value should the nurse specifically monitor during treatment with this medication?
- A. Clotting time
- B. Uric acid level
- C. Potassium level
- D. Blood glucose level
Correct answer: B
Rationale: The correct answer is B, Uric acid level. Busulfan can cause an increase in uric acid levels, leading to hyperuricemia, renal stones, and acute renal failure. Monitoring uric acid levels is crucial to detect and manage potential complications associated with busulfan therapy.
5. The healthcare provider should anticipate that the most likely medication to be prescribed prophylactically for a child with spina bifida (myelomeningocele) who has a neurogenic bladder would be:
- A. Prednisone
- B. Sulfisoxazole
- C. Furosemide (Lasix)
- D. Intravenous immune globulin (IVIG)
Correct answer: B
Rationale: Children with spina bifida, especially those with a neurogenic bladder, are at an increased risk of urinary tract infections. Sulfisoxazole, an antibiotic, is commonly prescribed prophylactically to prevent UTIs in this population. Prednisone (Choice A) is a corticosteroid and is not typically used for prophylaxis in this scenario. Furosemide (Lasix) (Choice C) is a diuretic used to treat fluid retention and hypertension, not for preventing UTIs. Intravenous immune globulin (IVIG) (Choice D) is used to boost the immune system, not for UTI prophylaxis in this case.
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