HESI RN
Pharmacology HESI Quizlet
1. 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.
2. A client is receiving vancomycin (Vancocin). Which of the following is the most important action for the nurse to take?
- A. Monitor the client for signs of nephrotoxicity.
- B. Monitor the client for signs of ototoxicity.
- C. Ensure adequate hydration.
- D. Administer the medication with food.
Correct answer: A
Rationale: The most important action for the nurse to take when a client is receiving vancomycin is to monitor for signs of nephrotoxicity. Vancomycin can cause kidney damage, so monitoring kidney function and signs of nephrotoxicity are crucial to prevent harm. While monitoring for ototoxicity and ensuring adequate hydration are important nursing actions, they are not as critical as preventing nephrotoxicity when administering vancomycin.
3. A client is diagnosed with pulmonary embolism and is to be treated with streptokinase (Streptase). A nurse would report which priority data collection finding to the registered nurse before initiating this therapy?
- A. Adventitious breath sounds
- B. Temperature of 99.4°F orally
- C. Blood pressure of 198/110 mm Hg
- D. Respiratory rate of 28 breaths/min
Correct answer: C
Rationale: The correct answer is C. Streptokinase therapy is contraindicated in severe uncontrolled hypertension due to the risk of cerebral hemorrhage. A blood pressure of 198/110 mm Hg indicates severe hypertension, which needs to be addressed before initiating streptokinase to prevent potential complications.
4. 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.
5. A clinic nurse prepares to administer an MMR (measles, mumps, rubella) vaccine to a child. How is this vaccine best administered?
- A. Intramuscularly in the deltoid muscle
- B. Subcutaneously in the gluteal muscle
- C. Subcutaneously in the outer aspect of the upper arm
- D. Intramuscularly in the anterolateral aspect of the thigh
Correct answer: C
Rationale: The MMR vaccine is best administered subcutaneously in the outer aspect of the upper arm. This route allows for proper absorption and efficacy of the vaccine while minimizing the risk of injury or discomfort to the child.
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