ATI LPN
LPN Pharmacology Questions
1. A client is taking levothyroxine for hypothyroidism. Which of the following findings should indicate to the healthcare provider that the client is experiencing levothyroxine toxicity?
- A. Weight loss
- B. Insomnia
- C. Heat intolerance
- D. Dry skin
Correct answer: C
Rationale: Heat intolerance is a hallmark sign of levothyroxine toxicity. It indicates that the client may be receiving an excessive dose of levothyroxine, leading to hyperthyroid symptoms. This can happen when the dosage is too high, causing the body to have an excess of thyroid hormone. Weight loss is a common symptom of hyperthyroidism but alone does not specifically indicate levothyroxine toxicity. Insomnia can be related to hyperthyroidism but is not a specific sign of levothyroxine toxicity. Dry skin is more commonly associated with hypothyroidism rather than levothyroxine toxicity.
2. The client at risk for thrombophlebitis receives reinforcement from the LPN/LVN regarding measures to minimize its occurrence. Which statement by the client indicates an understanding of this information?
- A. I should avoid sitting for prolonged periods.
- B. I will take frequent walks and avoid prolonged bed rest.
- C. I should drink plenty of fluids to stay hydrated.
- D. I will use compression stockings as advised by my doctor.
Correct answer: B
Rationale: The correct answer is B. Taking frequent walks and avoiding prolonged bed rest are essential measures to promote circulation and reduce the risk of thrombophlebitis. Physical activity helps prevent blood from pooling and clotting in the veins, thus decreasing the likelihood of thrombophlebitis development. Choice A is incorrect because while avoiding prolonged sitting is important, it is not as effective as engaging in physical activity. Choice C is not directly related to preventing thrombophlebitis. Choice D, using compression stockings, is a helpful measure but not as effective as regular physical activity in preventing thrombophlebitis.
3. The client with a history of coronary artery disease (CAD) is scheduled for a stress test. What instruction should the nurse provide to the client before the test?
- A. Continue taking your usual dose of beta-blockers
- B. Refrain from eating or drinking anything for 4 hours before the test
- C. Wear loose, comfortable clothing and walking shoes
- D. Avoid any physical activity for 24 hours before the test
Correct answer: C
Rationale: Before a stress test, the nurse should instruct the client to wear loose, comfortable clothing and walking shoes. This is essential as the stress test involves physical exercise, and the client should be ready for the activity involved. Continuing beta-blockers should be based on healthcare provider's instructions; adjustments may be needed. Fasting before the test is usually not necessary. Avoiding physical activity for 24 hours before the test is not recommended as it may affect the accuracy of the test results by not providing a true reflection of the client's exercise capacity.
4. The LPN/LVN is assisting in the care of a client with chronic heart failure who is receiving digoxin (Lanoxin). Which sign should the nurse monitor for that could indicate digoxin toxicity?
- A. Bradycardia
- B. Tachycardia
- C. Hypertension
- D. Hyperglycemia
Correct answer: A
Rationale: Bradycardia is a common sign of digoxin toxicity and should be closely monitored. Digoxin toxicity can lead to various cardiac dysrhythmias, with bradycardia being a significant indicator. Monitoring the client's heart rate is crucial to detect and manage digoxin toxicity promptly. Tachycardia, hypertension, and hyperglycemia are not typically associated with digoxin toxicity. Tachycardia is more commonly seen with inadequate treatment of heart failure, hypertension is a possible but less common effect, and hyperglycemia is not a typical sign of digoxin toxicity.
5. A client with a history of myocardial infarction (MI) is being discharged with a prescription for nitroglycerin sublingual tablets. Which instruction should the nurse reinforce?
- A. Store the tablets in a cool, dry place away from light.
- B. Take a tablet every 5 minutes if chest pain occurs.
- C. Place the tablets under the tongue for sublingual absorption.
- D. Take the tablets without water for faster effect.
Correct answer: A
Rationale: The correct answer is A. Nitroglycerin tablets are light and moisture-sensitive, so they should be stored in a cool, dry place away from light to maintain their effectiveness. Option B advises taking a tablet every 5 minutes, which may lead to overdose as this frequency is too high. Option C emphasizes the correct administration route for sublingual tablets. Option D is incorrect as water is not needed for the tablets to take effect.
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