HESI LPN
Pharmacology HESI 55 Questions 2023
1. In a capillary glucose measurement, a client is to receive 10 units of regular insulin and isophane insulin. How should the nurse prepare?
- A. Withdraw ten units of regular insulin from a vial
- B. Withhold the dose until regular insulin is available
- C. Obtain a new vial of regular insulin and withhold
- D. Pull up 30 units from a vial but only administer 10 units
Correct answer: B
Rationale: In insulin administration, regular insulin is typically administered before isophane insulin to manage blood glucose effectively. If regular insulin is not available, it is best to withhold the dose until it can be administered as prescribed. Choice A is incorrect as it suggests withdrawing from a specific vial without specifying regular insulin. Choice C is incorrect as obtaining a new vial of regular insulin may not be necessary if it becomes available shortly. Choice D is incorrect as administering 10 units from a mixture of regular and isophane insulin is not the correct approach.
2. During a home visit, a client with a history of angina reports frequent headaches. The client recently started a new prescription for diltiazem, a calcium channel blocker. What action should the nurse take?
- A. Explain the importance of obtaining a blood sample promptly to test for medication toxicity
- B. Consult with the healthcare provider regarding the necessity of an opioid analgesic for pain relief
- C. Recommend the client to discontinue the medication until contacting the healthcare provider
- D. Instruct the client on the use of acetaminophen every 4-6 hours as needed for headaches
Correct answer: D
Rationale: The correct action for the nurse to take is to instruct the client to use acetaminophen for headaches. Acetaminophen is a suitable and safer option for managing headaches associated with calcium channel blockers like diltiazem. It is essential to avoid medications that can interact negatively with diltiazem, such as opioid analgesics. Discontinuing the medication abruptly without consulting the healthcare provider is not recommended. Monitoring for medication toxicity through blood samples is not typically indicated for managing headaches in this scenario.
3. The practical nurse administered 15 units of NPH insulin subcutaneously to a client before they consumed their breakfast at 7:30 AM. At what time is the client at an increased risk for a hypoglycemic reaction?
- A. 8:30 to 11:30 AM
- B. 3:30 to 7:30 PM
- C. 9:30 PM to midnight
- D. 1:00 to 5:00 AM
Correct answer: B
Rationale: NPH insulin, an intermediate-acting type, peaks approximately 8 to 12 hours after subcutaneous administration. Considering this, the client is most likely to experience a hypoglycemic reaction between 3:30 and 7:30 PM, making option B the correct answer. Choices A, C, and D are incorrect because they fall outside the peak time for a hypoglycemic reaction after administering NPH insulin.
4. A client with diabetes mellitus type 2 is prescribed liraglutide. The nurse should include which instruction in the client's teaching plan?
- A. Administer this medication once a week.
- B. Administer this medication once a month.
- C. Administer this medication twice a day.
- D. Administer this medication once a day.
Correct answer: D
Rationale: The correct answer is to administer liraglutide once a day. Liraglutide is typically prescribed to be taken once daily, as directed by the healthcare provider. This dosing schedule helps maintain consistent levels of the medication in the body to effectively manage blood sugar levels in clients with diabetes mellitus type 2. Option A, administering once a week, is incorrect as it would not provide consistent control of blood sugar levels. Option B, administering once a month, is also incorrect as it is not the recommended dosing frequency for liraglutide. Option C, administering twice a day, is inaccurate as liraglutide is not typically dosed in this manner. It is important for the nurse to emphasize the importance of adherence to the prescribed dosing regimen to achieve optimal therapeutic outcomes.
5. A client with a diagnosis of generalized anxiety disorder is prescribed lorazepam. The client should be informed that this medication may have which potential side effect?
- A. Drowsiness
- B. Dry mouth
- C. Nausea
- D. Headache
Correct answer: A
Rationale: The correct answer is A: Drowsiness. Lorazepam, a medication commonly used to treat anxiety disorders, can lead to drowsiness as a common side effect. It is important for clients to be aware of this potential effect, and they should be advised to avoid activities like driving until they understand how the medication affects them. Dry mouth, nausea, and headache are possible side effects of other medications but are less commonly associated with lorazepam.
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