HESI RN
Pharmacology HESI Quizlet
1. A client is receiving sulfisoxazole. Which of the following should be included in the list of instructions?
- A. Restrict fluid intake.
- B. Maintain a high fluid intake.
- C. If the urine turns dark brown, call the healthcare provider (HCP) immediately.
- D. Decrease the dosage when symptoms are improving to prevent an allergic response.
Correct answer: B
Rationale: When a client is taking sulfisoxazole, it is important to maintain a high fluid intake. Each dose of sulfisoxazole should be taken with a full glass of water, as the medication is more soluble in alkaline urine. Restricting fluid intake is not recommended as it can lead to inadequate hydration. Dark brown urine may be a side effect of some forms of sulfisoxazole but does not necessarily warrant immediate notification of the healthcare provider unless accompanied by other concerning symptoms. Decreasing the dosage when symptoms improve is not advised as it may lead to treatment failure or the development of resistance.
2. A client is taking Humulin NPH insulin daily every morning. The nurse reinforces instructions for the client and tells the client that the most likely time for a hypoglycemic reaction to occur is:
- A. 2 to 4 hours after administration
- B. 4 to 12 hours after administration
- C. 16 to 18 hours after administration
- D. 18 to 24 hours after administration
Correct answer: B
Rationale: Humulin NPH is an intermediate-acting insulin with a peak action time of 4 to 12 hours after administration. During this period, the risk of hypoglycemic reactions is highest. It is important for the client to be aware of this timing to prevent, recognize, and manage hypoglycemia effectively.
3. The client with metastatic breast cancer is receiving tamoxifen. The nurse specifically monitors which laboratory value while the client is taking this medication?
- A. Glucose level
- B. Calcium level
- C. Potassium level
- D. Prothrombin time
Correct answer: B
Rationale: The correct answer is B: Calcium level. Tamoxifen may increase calcium levels, leading to hypercalcemia. Symptoms of hypercalcemia include increased urine volume, excessive thirst, nausea, vomiting, constipation, muscle weakness, and bone pain. Monitoring serum calcium levels is essential to detect and manage this potential side effect. Choices A, C, and D are incorrect because tamoxifen does not directly affect glucose, potassium, or prothrombin time levels significantly.
4. 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.
5. The healthcare provider prescribes exenatide (Byetta) for a client with type 1 diabetes mellitus who takes insulin. What is the appropriate intervention for the nurse?
- A. Administer the medication within 60 minutes before the morning and evening meal.
- B. Withhold the medication and question the prescription with the healthcare provider.
- C. Monitor the client for gastrointestinal side effects after administration of the medication.
- D. Withdraw the insulin from the Penlet into an insulin syringe to prepare for administration.
Correct answer: B
Rationale: Exenatide (Byetta) is specifically indicated for the treatment of type 2 diabetes mellitus and is not recommended for clients with type 1 diabetes mellitus who are taking insulin. Choice A is incorrect because exenatide should not be administered to a client with type 1 diabetes mellitus who takes insulin. Choice C is not the most appropriate initial action when the prescription is not suitable for the client. Choice D is unrelated to the administration of exenatide. Therefore, the appropriate intervention for the nurse is to withhold the medication and question the prescription with the healthcare provider to ensure the safety and appropriateness of the treatment plan for the client.
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