ATI LPN
Cardiovascular MCQ Questions Questions
Question 1 of 5
When the ventricles relax
Correct Answer: A
Rationale: Ventricular relaxation (diastole) causes a drop in pressure, allowing blood to fill the ventricles from the atria, not forcing valves open or reversing flow.
Question 2 of 5
A nurse is teaching an adult female patient about the risk factors for hypertension. What should the nurse explain as risk factors for primary hypertension?
Correct Answer: A
Rationale: Obesity, stress, high intake of sodium or saturated fat, and family history are all risk factors for primary hypertension. Diabetes and oral contraceptives are risk factors for secondary hypertension. Metabolic syndrome, renal disease, and coarctation of the aorta are causes of secondary hypertension.
Question 3 of 5
A newly diagnosed patient with hypertension is prescribed Diuril, a thiazide diuretic. What patient education should the nurse provide to this patient?
Correct Answer: C
Rationale: Thiazide diuretics can cause postural hypotension, which may be potentiated by alcohol, barbiturates, opioids, or hot weather. Diuril does not cause either moderate hyperkalemia or severe hypokalemia and it does not result in hypernatremia.
Question 4 of 5
Arteriolar constriction is caused by:
Correct Answer: A
Rationale: Serotonin causes arteriolar constriction by activating smooth muscle receptors.
Question 5 of 5
In myocardial infarction:
Correct Answer: D
Rationale: Failure of R wave progression can indicate infarction in the posterior left ventricle.