ATI LPN
Cardiovascular Med Surg Questions Questions
Question 1 of 5
A 23-year-old woman develops the sudden onset of congestive heart failure. Her condition rapidly deteriorates and she dies in heart failure. At autopsy, patchy interstitial infiltrates composed mainly of lymphocytes are found, some of which surround individual myocytes. What is the most likely cause of this patient's heart failure?
Correct Answer: D
Rationale: Viral myocarditis (e.g., coxsackievirus) causes lymphocytic infiltrates and acute heart failure, a common cause in young adults with rapid deterioration.
Question 2 of 5
The right ventricle pumps blood to the
Correct Answer: B
Rationale: The right ventricle pumps deoxygenated blood to the lungs via the pulmonary artery for oxygenation.
Question 3 of 5
When administering digoxin, the nurse should hold the medication if the client's apical heart rate is less than____ bpm.
Correct Answer: C
Rationale: Digoxin should be withheld if the apical pulse is below 60 bpm for adults.
Question 4 of 5
What lab result requires immediate intervention in a patient taking lisinopril for heart failure?
Correct Answer: A
Rationale: Hyperkalemia is a significant risk of ACE inhibitors like lisinopril and must be addressed promptly.
Question 5 of 5
What is the nurse's priority action if a client receiving digoxin has lab results showing potassium 2.8 mEq/L and digoxin level 2.4 ng/mL?
Correct Answer: B
Rationale: A digoxin level of 2.4 ng/mL indicates toxicity, which combined with hypokalemia is life-threatening. Digibind is the antidote.