HESI LPN
HESI Practice Test Pharmacology
1. A client with hypertension is prescribed hydrochlorothiazide. The nurse should monitor the client for which potential side effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hypernatremia
- D. Hyponatremia
Correct answer: B
Rationale: When a client is prescribed hydrochlorothiazide, the nurse should monitor for hypokalemia as a potential side effect. Hydrochlorothiazide is a diuretic that can lead to potassium loss, hence monitoring potassium levels is crucial to prevent complications related to hypokalemia.
2. A client with a diagnosis of generalized anxiety disorder is prescribed escitalopram. The nurse should instruct the client that this medication may have which potential side effect?
- A. Drowsiness
- B. Dry mouth
- C. Nausea
- D. Headache
Correct answer: A
Rationale: The correct potential side effect of escitalopram is drowsiness. Escitalopram is known to cause sedation, so clients should be advised to avoid activities that require mental alertness, such as driving, until they know how the medication affects them. Dry mouth, nausea, and headache are also common side effects of various medications but are not specifically associated with escitalopram.
3. A client with a history of deep vein thrombosis is prescribed edoxaban. The nurse should monitor for which potential adverse effect?
- A. Increased risk of bleeding
- B. Decreased risk of bleeding
- C. Increased risk of infection
- D. Decreased risk of infection
Correct answer: A
Rationale: The correct answer is A: Increased risk of bleeding. Edoxaban is an anticoagulant that works by inhibiting clot formation, thereby increasing the risk of bleeding. Therefore, the nurse should closely monitor the client for signs of bleeding, such as bruising, petechiae, hematuria, or gastrointestinal bleeding, to prevent potential complications. Choices B, C, and D are incorrect because edoxaban does not decrease the risk of bleeding or affect the risk of infection; its primary concern is the potential for bleeding due to its anticoagulant properties.
4. 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.
5. How do you determine if the medication is effective for a client with anemia secondary to chronic kidney disease (CKD)?
- A. Food diary shows increased consumption of iron-rich foods
- B. Reports of increased energy levels and decreased fatigue
- C. Hemoglobin level increased to 12 grams/dL
- D. Takes concurrent iron therapy without adverse effects
Correct answer: C
Rationale: The correct answer is C. To assess the effectiveness of medication for anemia in a client with CKD, monitoring hemoglobin levels is crucial. Hemoglobin levels directly indicate the response to treatment and improvement in the condition. An increase in hemoglobin level to 12 grams/dL suggests that the medication is effectively addressing the anemia associated with CKD. Choices A, B, and D are incorrect because increased consumption of iron-rich foods, reports of increased energy levels and decreased fatigue, and tolerance to concurrent iron therapy without adverse effects are not direct indicators of the medication's effectiveness in treating anemia secondary to CKD.
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