ATI LPN
LPN Pharmacology Practice Test
1. A healthcare provider is assessing a client who has been taking lisinopril. Which of the following findings should the provider report?
- A. Dry cough
- B. Hyperkalemia
- C. Elevated blood pressure
- D. Increased appetite
Correct answer: A
Rationale: The correct answer is A: Dry cough. A dry cough is a common side effect of lisinopril. It is essential to report this to the healthcare provider as it may indicate the need to discontinue the medication to prevent further complications such as angioedema or cough that can persist for weeks to months after stopping the medication. Choice B, hyperkalemia, is not typically associated with lisinopril use; instead, it is a possible side effect of medications like potassium-sparing diuretics. Choice C, elevated blood pressure, would not be a concerning finding as lisinopril is often prescribed to lower blood pressure. Choice D, increased appetite, is not a common side effect of lisinopril and would not typically warrant immediate reporting.
2. The client with a history of angina pectoris reports chest pain unrelieved by nitroglycerin. Which action should the nurse take next?
- A. Administer another dose of nitroglycerin.
- B. Notify the healthcare provider immediately.
- C. Have the client lie down and rest.
- D. Encourage the client to take deep breaths.
Correct answer: B
Rationale: When a client with a history of angina pectoris reports chest pain unrelieved by nitroglycerin, it may indicate a myocardial infarction, also known as a heart attack. In this situation, the nurse should immediately notify the healthcare provider to ensure prompt evaluation and appropriate intervention. Delay in seeking medical attention for chest pain unrelieved by nitroglycerin can be life-threatening, as it might be a sign of a more serious cardiac event. Administering another dose of nitroglycerin (Choice A) without further evaluation can be risky, as the client's condition may require a different intervention. Having the client lie down and rest (Choice C) or encouraging deep breaths (Choice D) are not appropriate actions in this scenario where a more serious cardiac event needs to be ruled out.
3. 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.
4. The healthcare provider is preparing to assist in the care of a client who has just returned from coronary artery bypass graft (CABG) surgery. Which is the priority action?
- A. Monitor the client's urine output.
- B. Check the client's surgical dressing.
- C. Measure the client's blood pressure.
- D. Assess the client's level of consciousness.
Correct answer: D
Rationale: Assessing the client's level of consciousness is the priority action post-CABG surgery to monitor for signs of cerebral hypoxia or other complications that require immediate intervention. Changes in the client's level of consciousness can indicate neurological deterioration, which is critical to address promptly in this postoperative period. Monitoring urine output, checking surgical dressing, and measuring blood pressure are important aspects of postoperative care but assessing the client's level of consciousness takes precedence as it provides crucial information about the client's neurological status and the need for urgent intervention.
5. The client with a history of heart failure is receiving digoxin (Lanoxin). Which electrolyte imbalance increases the risk of digoxin toxicity?
- A. Hypernatremia
- B. Hypercalcemia
- C. Hypokalemia
- D. Hypomagnesemia
Correct answer: C
Rationale: Hypokalemia increases the risk of digoxin toxicity as low potassium levels enhance the effects of digoxin on the heart, leading to toxicity and potential adverse effects. Hypernatremia (Choice A) is not directly associated with an increased risk of digoxin toxicity. Hypercalcemia (Choice B) does not increase the risk of digoxin toxicity. Hypomagnesemia (Choice D) can contribute to digoxin toxicity, but hypokalemia has a more significant impact on increasing the risk.
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