ATI LPN
Cardiovascular NCLEX Questions Questions
Question 1 of 5
An increase in heart rate by the sympathetic nervous system is a____
Correct Answer: C
Rationale: A positive chronotropic effect increases heart rate due to enhanced activity of the sympathetic nervous system.
Question 2 of 5
A lung mass of a 50 pack-year smoker is biopsied. If ADH levels were grossly increased, what would most likely be the histologic appearance of this mass?
Correct Answer: B
Rationale: Small cell lung cancer, common in heavy smokers, produces ADH (SIADH) and shows sheets of small, round, hyperchromatic cells on histology.
Question 3 of 5
When is used to make artificial valves, the valves last long a long time, but blood clotting can result.
Correct Answer: B
Rationale: Metal or plastic artificial valves are durable but can cause blood clotting, unlike animal tissue which is less prone to clotting but less durable.
Question 4 of 5
What is the best action if a client with a history of heart failure prescribed spironolactone and lisinopril has a potassium level of 5.8 mEq/L?
Correct Answer: B
Rationale: Spironolactone and lisinopril both increase potassium levels, and a level of 5.8 mEq/L indicates hyperkalemia.
Question 5 of 5
What is the nurse's best response if a patient on furosemide reports dizziness when standing?
Correct Answer: C
Rationale: Orthostatic hypotension is a common side effect of diuretics; standing slowly minimizes symptoms.