ATI LPN
Cardiovascular Questions Questions
Question 1 of 5
When teaching the patient with newly diagnosed heart failure about a 2000-mg sodium diet, the nurse explains that foods to be restricted include
Correct Answer: B
Rationale: Yogurt and milk products (e.g., cheese) naturally contain a significant amount of sodium, and the intake of these should be limited for patients on a diet that limits sodium to 2000 mg daily. The other foods listed have minimal levels of sodium and can be eaten without restriction.
Question 2 of 5
Which of the following factors have no effect on blood return?
Correct Answer: A
Rationale: GI motility affects digestion, not venous return, unlike the respiratory pump, muscle contraction, and gravity, which influence venous return.
Question 3 of 5
When recording lead II on an ECG, the positive electrode is the:
Correct Answer: B
Rationale: Lead II uses the left leg as the positive electrode and the right arm as the negative electrode.
Question 4 of 5
If the origin of the stimulus that causes atrial paroxysmal tachycardia is near the AV node, which of the following statements about P-wave in standard limb lead I is most accurate?
Correct Answer: C
Rationale: A stimulus near the AV node causes retrograde atrial activation, inverting the P-wave in lead I.
Question 5 of 5
The tendency for edema to occur will be increased by:
Correct Answer: B
Rationale: Arteriolar constriction raises capillary pressure, promoting edema.