ATI LPN
Cardiovascular NCLEX Questions with Rationale Questions
Question 1 of 5
The bicuspid valve, the mitral valve, and the left atrioventricular valve are all names for the same structure.
Correct Answer: A
Rationale: These terms all refer to the same valve between the left atrium and ventricle.
Question 2 of 5
Pericardial fluid can be found between the:
Correct Answer: D
Rationale: Pericardial fluid is found between the epicardium and the pericardium, reducing friction.
Question 3 of 5
The Frank-Starling mechanism:
Correct Answer: C
Rationale: The Frank-Starling mechanism correlates the stretch of cardiac muscle fibers with the strength of contraction.
Question 4 of 5
IV sodium nitroprusside is ordered for a patient with acute pulmonary edema. During the first hours of administration, the nurse will need to titrate the nitroprusside rate down if the patient develops
Correct Answer: C
Rationale: Sodium nitroprusside is a potent vasodilator and the major adverse effect is severe hypotension. Coughing and bradycardia are not adverse effects of this medication. Nitroprusside does not cause increased ventricular ectopy.
Question 5 of 5
According to the Frank-Starling law, stroke volume increases as a function of:
Correct Answer: C
Rationale: Frank-Starling law states that the stroke volume of the heart increases in response to an increase in the volume of blood filling the heart (the end diastolic volume) when all other factors remain constant.