HESI LPN
Pharmacology HESI Practice
1. The practical nurse (PN) is obtaining the medical history of a client starting a new prescription for conjugated estrogens PO daily. Which medical condition is not treated by this medication?
- A. Menopausal symptoms
- B. Prostatic cancer
- C. Thromboembolic diseases
- D. Abnormal uterine bleeding
Correct answer: C
Rationale: Conjugated estrogens, such as Premarin, are not used in the treatment of thromboembolic diseases. These medications are contraindicated in conditions predisposing to thromboembolic diseases due to their association with an increased risk of thromboembolism, stroke, pulmonary embolism, and myocardial infarction. Choices A, B, and D are incorrect because conjugated estrogens are commonly prescribed for managing menopausal symptoms, abnormal uterine bleeding, and certain hormone-responsive cancers, but not for thromboembolic diseases.
2. A client with diabetes mellitus type 1 is prescribed insulin lispro. When should the nurse instruct the client to administer this medication?
- A. 5-10 minutes before meals
- B. 15 minutes after meals
- C. 30 minutes before meals
- D. 1 hour after meals
Correct answer: A
Rationale: Corrected Rationale: Insulin lispro is a rapid-acting insulin that should be administered 5-10 minutes before meals. This timing helps synchronize the peak action of insulin with the rise in blood glucose levels after eating, effectively managing postprandial hyperglycemia. Choice B, administering 15 minutes after meals, is incorrect because rapid-acting insulins like lispro are meant to act quickly to cover the rise in blood glucose levels after meals. Choices C and D are also incorrect as they do not align with the rapid onset of action required to manage postprandial hyperglycemia in patients with diabetes mellitus type 1.
3. The healthcare provider notes that a client has a new prescription for 20 mEq of potassium. The IV site is inflamed but not tender, and has a blood flashback. What action should the healthcare provider take?
- A. Obtain a liter of normal saline with 20 mEq of KCl
- B. Contact the healthcare provider to clarify the prescription
- C. Withhold the prescription medication until a new IV is started
- D. Fax the prescription to the pharmacy for immediate dispensing
Correct answer: B
Rationale: The healthcare provider should contact the prescriber to clarify the prescription because an inflamed IV site may indicate potential issues with administering the medication. It is important to ensure that the prescription is appropriate and safe for the client before proceeding with administration. Option A is incorrect because administering potassium through an inflamed IV site can lead to further complications. Option C is not the best course of action as clarifying the prescription first is essential. Option D is also incorrect as the focus should be on ensuring the safety of the client before dispensing the medication.
4. A client with diabetes mellitus type 1 is prescribed insulin glargine. When should the nurse instruct the client to administer this medication?
- A. Before meals
- B. After meals
- C. At bedtime
- D. In the morning
Correct answer: C
Rationale: Corrected Rationale: Insulin glargine is a long-acting insulin that provides a consistent level of insulin over 24 hours. Administering it at bedtime helps mimic the body's natural insulin secretion pattern and provides optimal blood glucose control during the night and throughout the day. Choice A (Before meals) is incorrect because insulin glargine is not a rapid-acting insulin meant to cover meals. Choice B (After meals) is incorrect as the timing doesn't align with the insulin's mechanism. Choice D (In the morning) is incorrect as administering insulin glargine in the morning may not provide adequate coverage throughout the night and the following day.
5. What should be obtained prior to starting olanzapine for a male client with bipolar disorder?
- A. Complete blood count
- B. Family history of hypertension
- C. History of erectile dysfunction
- D. Baseline weight
Correct answer: D
Rationale: Baseline weight should be obtained prior to starting olanzapine in a male client with bipolar disorder to monitor for potential weight gain associated with the medication. Olanzapine is known to cause weight gain and monitoring the baseline weight can help in assessing any changes during treatment.
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