HESI LPN
Pharmacology HESI 2023 Quizlet
1. A client is prescribed metoprolol. The nurse should monitor for which common side effect of this medication?
- A. Dizziness
- B. Fatigue
- C. Orthostatic hypotension
- D. Headache
Correct answer: A
Rationale: The correct answer is A: Dizziness. Metoprolol, a beta-blocker, can lead to dizziness as a common side effect due to its mechanism of action in reducing heart rate and blood pressure. This effect can cause a sensation of lightheadedness or unsteadiness, particularly when standing up quickly. While fatigue, orthostatic hypotension, and headache are potential side effects of metoprolol, dizziness is commonly observed and should be closely monitored by the nurse to ensure patient safety.
2. A client has a prescription for heparin 1,000 units IV STAT. Several pre-filled syringes of low molecular weight heparin are available in the client's medication drawer. Which action should the nurse implement?
- A. Dilute the available heparin in 250ml of normal saline solution prior to IV administration
- B. Advise the pharmacy on the need to deliver a vial of heparin to the nursing unit immediately
- C. Calculate and administer the equivalent dose of the available low molecular weight heparin
- D. Request a prescription to change the route of administration and use the available heparin
Correct answer: B
Rationale: In this scenario, the nurse should contact the pharmacy to obtain the correct heparin formulation as the prescription calls for heparin 1,000 units IV STAT. Low molecular weight heparin is not the same as unfractionated heparin, and therefore, the nurse should not administer the available low molecular weight heparin without first obtaining the correct medication. Diluting the available heparin, calculating an equivalent dose, or changing the route of administration would not address the discrepancy between the prescribed heparin and the available low molecular weight heparin.
3. A client with hypertension is prescribed doxazosin. The nurse should monitor for which potential side effect?
- A. Hypotension
- B. Hypertension
- C. Hyperglycemia
- D. Hypernatremia
Correct answer: A
Rationale: The correct answer is A: Hypotension. Doxazosin is an alpha-blocker medication commonly used to treat hypertension. One of the potential side effects of doxazosin is causing a sudden drop in blood pressure, leading to hypotension. Therefore, the nurse should closely monitor the client for signs and symptoms of low blood pressure when initiating or adjusting the dose of doxazosin.
4. The healthcare provider is assessing the effectiveness of the drug amiodarone. Which client statement best indicates that the drug has been effective?
- A. I have not had as many spells of angina.
- B. I have not had as much swelling in my ankles lately.
- C. My doctor told me my cholesterol levels were improving with each visit.
- D. I do not notice as many irregular heartbeats as before I started taking this medication.
Correct answer: D
Rationale: The correct answer is option D. The effectiveness of amiodarone is best assessed by a reduction in irregular heartbeats since it is primarily used to treat ventricular dysrhythmias. This drug's main purpose is to control irregular heart rhythms, so a decrease in irregular heartbeats indicates its effectiveness. Options A, B, and C are incorrect because amiodarone is not primarily used to address angina, ankle swelling, or cholesterol levels, so improvements in these areas do not directly reflect the drug's effectiveness.
5. A client with chronic obstructive pulmonary disease (COPD) is prescribed tiotropium. The nurse should instruct the client to report which potential side effect?
- A. Dry mouth
- B. Blurred vision
- C. Nausea
- D. Tachycardia
Correct answer: A
Rationale: The correct answer is A: Dry mouth. Tiotropium, a commonly prescribed medication for COPD, can cause dry mouth as a side effect. While it may not be severe, clients should report it if it becomes bothersome. Dry mouth is a common side effect of tiotropium due to its anticholinergic properties. Blurred vision, nausea, and tachycardia are not typically associated with tiotropium use in the context of COPD.
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