ATI RN
Cardiovascular System Exam
1. The client on spironolactone (Aldactone) has a potassium level of 5.8 mEq/L. What is the nurse’s priority action?
- A. Hold the spironolactone and notify the healthcare provider.
- B. Administer a potassium supplement.
- C. Continue the spironolactone as ordered.
- D. Increase the dose of spironolactone.
Correct answer: A
Rationale: With a potassium level of 5.8 mEq/L, which is high, the priority action for the nurse is to hold the spironolactone. Spironolactone is a potassium-sparing diuretic that can further increase potassium levels. Therefore, it is crucial to prevent exacerbating hyperkalemia by discontinuing the medication. Notifying the healthcare provider is necessary for further guidance and potential adjustments to the treatment plan. Administering a potassium supplement (Choice B) would be contraindicated since the client already has elevated potassium levels. Continuing the spironolactone as ordered (Choice C) can worsen hyperkalemia. Increasing the dose of spironolactone (Choice D) would be unsafe and exacerbate the high potassium levels.
2. What is a chronic condition where the heart is unable to pump blood effectively, leading to fluid buildup in the lungs and other parts of the body?
- A. Heart failure
- B. Myocardial infarction
- C. Pericarditis
- D. Pulmonary edema
Correct answer: A
Rationale: The correct answer is A: Heart failure. Heart failure is a chronic condition characterized by the heart's inability to pump blood effectively, resulting in fluid accumulation in the lungs and other body tissues. Myocardial infarction (choice B) refers to a heart attack caused by a blocked coronary artery, leading to damage of heart muscle tissue. Pericarditis (choice C) is the inflammation of the pericardium, the protective sac around the heart. Pulmonary edema (choice D) is a condition where fluid builds up in the lungs, often as a result of heart failure.
3. Which term refers to high blood pressure, a condition where the force of the blood against the artery walls is too high?
- A. Hypertension
- B. Hypotension
- C. Hyperlipidemia
- D. Diabetes
Correct answer: A
Rationale: The correct answer is A, Hypertension. Hypertension is a condition characterized by persistently high blood pressure, which increases the risk of heart disease and stroke. Choice B, Hypotension, refers to low blood pressure. Choice C, Hyperlipidemia, is the term for high levels of fats in the blood. Choice D, Diabetes, is a condition characterized by high blood sugar levels.
4. The nurse is caring for a client on amiodarone. What adverse effect is the nurse most concerned about?
- A. Pulmonary toxicity
- B. Liver toxicity
- C. Thyroid dysfunction
- D. Renal dysfunction
Correct answer: A
Rationale: The correct answer is A, Pulmonary toxicity. Amiodarone is known to cause pulmonary toxicity, which can be serious and even fatal in some cases. This adverse effect includes interstitial pneumonitis, pulmonary fibrosis, and acute respiratory distress syndrome. Monitoring for symptoms such as cough, dyspnea, and fever is crucial. Choices B, Liver toxicity, C, Thyroid dysfunction, and D, Renal dysfunction, are incorrect because while amiodarone can also affect the liver, thyroid, and kidneys, the most concerning adverse effect that requires immediate attention and monitoring is pulmonary toxicity.
5. The nurse is caring for a client on enalapril (Vasotec). What is the most important side effect to monitor?
- A. Cough
- B. Hyperkalemia
- C. Hypotension
- D. Dizziness
Correct answer: A
Rationale: The correct answer is A: Cough. Enalapril is an ACE inhibitor, and cough is a common side effect associated with this class of medication. Monitoring for cough is crucial as it can indicate the development of a potentially serious condition known as angioedema. Hyperkalemia (choice B) is a possible side effect of ACE inhibitors but is not the most important side effect to monitor. Hypotension (choice C) and dizziness (choice D) are also potential side effects of enalapril; however, cough takes precedence due to its association with angioedema, a severe adverse reaction.
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