HESI LPN
Pharmacology HESI 55 Questions 2023
1. A client with a history of hypertension is prescribed hydrochlorothiazide. The practical nurse should monitor the client for which potential adverse effect?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hypernatremia
- D. Hyponatremia
Correct answer: B
Rationale: Corrected Rationale: Hydrochlorothiazide is a diuretic that can lead to potassium loss, resulting in hypokalemia. Monitoring for hypokalemia is essential because it can cause various complications such as cardiac dysrhythmias. Therefore, the practical nurse should closely watch for signs and symptoms of low potassium levels in clients taking hydrochlorothiazide. Incorrect Rationale for Other Choices: A. Hyperkalemia is not typically associated with hydrochlorothiazide use; instead, it is more commonly linked to medications like ACE inhibitors or potassium-sparing diuretics. C. Hypernatremia is unlikely with hydrochlorothiazide use as it tends to cause sodium loss. D. Hyponatremia is more commonly associated with conditions where there is excessive water intake or syndrome of inappropriate antidiuretic hormone secretion (SIADH), rather than with hydrochlorothiazide use.
2. A client is receiving levothyroxine for hypothyroidism. The nurse should monitor the client for which potential side effect?
- A. Weight gain
- B. Dry skin
- C. Hair loss
- D. Hyperthermia
Correct answer: A
Rationale: Levothyroxine is a medication used to treat hypothyroidism by supplementing the body with thyroid hormone. If the dosage of levothyroxine is too high, it can cause symptoms of hyperthyroidism, including weight loss. Therefore, weight gain can be a potential side effect of levothyroxine if the dosage is excessive.
3. Twenty-four hours after starting to take oral penicillin for strep throat, a client calls the nurse to report the onset of a rash on the chest. What action should the nurse implement?
- A. Instruct the client to discontinue the penicillin immediately
- B. Instruct the client regarding the use of topical analgesic cream PRN
- C. Question the client about any other related symptoms
- D. Reinforce the need to take all doses of the penicillin
Correct answer: A
Rationale: In this scenario, the client has developed a rash after starting oral penicillin, which can indicate an allergic reaction. It is crucial for the nurse to instruct the client to discontinue the penicillin immediately. Continuing the medication can potentially lead to severe allergic reactions. Instructing about topical analgesic cream or questioning about other related symptoms may delay appropriate action in case of a severe allergic reaction. Reinforcing the need to complete all doses is not appropriate when an allergic reaction is suspected, as safety takes precedence over completing the antibiotic course.
4. A client with a history of atrial fibrillation is prescribed diltiazem. The nurse should monitor for which potential side effect?
- A. Hypotension
- B. Tachycardia
- C. Headache
- D. Hyperglycemia
Correct answer: A
Rationale: The correct answer is A: Hypotension. Diltiazem is a calcium channel blocker that can cause hypotension by relaxing blood vessels and reducing blood pressure. Monitoring blood pressure is essential to detect and manage this potential side effect. Choices B, C, and D are incorrect because diltiazem typically does not cause tachycardia, headache, or hyperglycemia as common side effects.
5. When educating a client about the adverse effects of conjunctivitis, what is a serious condition that requires prompt attention?
- A. Contact lens irritation
- B. Decreased sex drive
- C. Brown spots on the skin
- D. Epigastric pain unrelieved by antacids
Correct answer: D
Rationale: Epigastric pain unrelieved by antacids is a concerning symptom that may indicate a more serious underlying condition such as a perforated ulcer. This symptom requires immediate medical attention to prevent further complications.
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