ATI LPN
Cardiovascular Assessment Nursing Questions Questions
Question 1 of 5
Propranolol(Inderal) is prescribed for a patient diagnosed with hypertension. The nurse should consult with the health care provider before giving this medication when the patient reveals a history of
Correct Answer: A
Rationale: Nonselective b-blockers block b1- and b2-adrenergic receptors and can cause bronchospasm, especially in patients with a history of asthma. b-Blockers will have no effect on the patient's peptic ulcer disease or alcohol use. b-Blocker therapy is recommended after MI.
Question 2 of 5
The nurse is screening a number of adults for hypertension. What range of blood pressure is considered normal?
Correct Answer: D
Rationale: JNC 7 defines a blood pressure of less than 120/80 mm Hg as normal, 120 to 129/80 to 89 mm Hg as prehypertension, and 140/90 mm Hg or higher as hypertension.
Question 3 of 5
Which vessel has the lowest PO2?
Correct Answer: D
Rationale: The umbilical artery carries deoxygenated blood from the fetus to the placenta, thus having the lowest PO2.
Question 4 of 5
Coronary circulation:
Correct Answer: D
Rationale: At rest, coronary blood flow is approximately 250 ml/min.
Question 5 of 5
The atrioventricular(AV) node is important for heart function because:
Correct Answer: D
Rationale: The AV node delays impulses to allow ventricular filling and directs impulses from atria to ventricles.