HESI LPN
Pharmacology HESI 2023
1. The healthcare professional is caring for a patient with a new order for an oral laxative. Which is a contraindication in administering an oral laxative?
- A. Cardiac problems
- B. Abdominal pain of unknown origin
- C. Several hemorrhoids
- D. Chronic constipation
Correct answer: B
Rationale: Administering an oral laxative to a patient with abdominal pain of unknown origin is contraindicated because it could be a sign of a more serious underlying condition that needs immediate medical evaluation. Giving a laxative in such a situation without proper diagnosis could potentially worsen the patient's condition or delay appropriate treatment. Choice A (Cardiac problems) is not a contraindication for an oral laxative unless the patient has a specific cardiac condition that interacts with the laxative. Choice C (Several hemorrhoids) and Choice D (Chronic constipation) are not contraindications for administering an oral laxative.
2. A client with chronic heart failure is prescribed furosemide. The nurse should monitor the client for which potential adverse effect?
- A. Increased blood glucose levels
- B. Electrolyte imbalance
- C. Dehydration
- D. Weight gain
Correct answer: C
Rationale: When a client with chronic heart failure is prescribed furosemide, a diuretic, the nurse should be vigilant for potential adverse effects. Furosemide can lead to excessive fluid loss, resulting in dehydration. Dehydration is a significant concern as it can exacerbate heart failure symptoms. Additionally, furosemide can cause electrolyte imbalances, particularly affecting potassium and sodium levels. Monitoring for signs of dehydration and electrolyte disturbances is crucial to prevent complications and ensure the client's safety and well-being. Increased blood glucose levels and weight gain are not commonly associated with furosemide use in heart failure patients, making choices A and D incorrect.
3. 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.
4. A client with hypertension is prescribed atenolol. The nurse should monitor the client for which potential side effect?
- A. Bradycardia
- B. Tachycardia
- C. Hypotension
- D. Hyperglycemia
Correct answer: A
Rationale: When a client is prescribed atenolol, a beta-blocker medication used to treat hypertension, the nurse should monitor for bradycardia as a potential side effect. Atenolol works by slowing the heart rate, and one common adverse effect is bradycardia, which is a slower than normal heart rate. Monitoring the client's heart rate is essential to detect and manage this potential side effect promptly. Choices B, C, and D are incorrect because atenolol typically does not cause tachycardia, hypotension, or hyperglycemia as primary side effects. Instead, bradycardia is a common concern due to the drug's mechanism of action in reducing heart rate.
5. 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.
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