ATI LPN
100 Questions on the Cardiovascular System PDF Questions
Question 1 of 5
The normal pattern of impulse conduction through the heart is:
Correct Answer: D
Rationale: The normal conduction pathway is SA node, AV node, bundle of His, and Purkinje fibers.
Question 2 of 5
The nurse plans discharge teaching for a patient with chronic heart failure who has prescriptions for digoxin (Lanoxin) and hydrochlorothiazide. Appropriate instructions for the patient include
Correct Answer: C
Rationale: Nausea is an indication of digoxin toxicity and should be reported so that the provider can assess the patient for toxicity and adjust the digoxin dose, if necessary. The patient will need to include potassium-containing foods in the diet to avoid hypokalemia. Patients should be taught to check their pulse daily before taking the digoxin and if the pulse is less than 60 beats/min, to call their provider before taking the digoxin. Diuretics should be taken early in the day to avoid sleep disruption.
Question 3 of 5
Q .= SV x HR. Explain the meaning of this equation and give typical resting values that you would expect in an endurance-based athlete.
Correct Answer: D
Rationale: Explanation derived from provided content.
Question 4 of 5
Which of the following veins carry oxygenated blood?
Correct Answer: D
Rationale: Pulmonary veins (from lungs to left atrium) and umbilical veins (in fetus from placenta) carry oxygenated blood; cephalic veins do not.
Question 5 of 5
When recording lead III on an ECG, the negative electrode is the:
Correct Answer: A
Rationale: Lead III uses the left arm as the negative electrode and the left leg as the positive electrode.