ATI LPN
Cardiovascular System Questions Questions
Question 1 of 5
The parasympathetic nervous system decreases heart rate by____
Correct Answer: D
Rationale: Parasympathetic stimulation opens potassium channels, leading to hyperpolarization of pacemaker cells and a slower heart rate.
Question 2 of 5
What action by the AP will require the nurse to intervene when taking the blood pressure of an obese patient admitted with heart failure?
Correct Answer: B
Rationale: The cuff should be deflated at a rate of 2 to 3 mm Hg/sec. The arm should be supported at the level of the heart for accurate blood pressure measurements.
Question 3 of 5
When engineers brainstorm together as a team, they make sure to
Correct Answer: B
Rationale: Effective brainstorming involves generating many ideas and building on them collaboratively, not criticizing or limiting focus.
Question 4 of 5
What assessment finding would require the nurse to stop the infusion and notify the provider if a client is receiving lidocaine IV for ventricular dysrhythmias?
Correct Answer: B
Rationale: A widened QRS complex indicates potential worsening of the dysrhythmia or toxicity.
Question 5 of 5
How should the nurse respond if a patient taking spironolactone asks if they can use a salt substitute?
Correct Answer: B
Rationale: Salt substitutes often contain potassium, which can lead to hyperkalemia when used with potassium-sparing diuretics like spironolactone.