ATI RN
Cardiovascular System Practice Questions Questions
Question 1 of 5
Blood islands are
Correct Answer: D
Rationale: Blood islands (D) in the yolk sac form early vessels and blood cells in the embryo.
Question 2 of 5
Which of the following is the priority for the nurse to assess before administering digoxin (Lanoxin)?
Correct Answer: A
Rationale: Auscultating the apical pulse (A) for 1 minute is the priority to detect bradycardia (<60 bpm), a sign of digoxin toxicity. Radial pulse (B) is less accurate, renal function (C) and potassium (D) are monitored but not the priority.
Question 3 of 5
The nurse is caring for a client on a heparin infusion when the client expresses concern over a progressively painful headache. Which of the following is the priority nursing action?
Correct Answer: C
Rationale: Notifying the physician (C) is the priority for a headache (possible heparin hypersensitivity or bleed). Stopping heparin (A) or giving protamine (B) awaits orders, morphine (D) is inappropriate.
Question 4 of 5
Arteries are blood vessels that:
Correct Answer: C
Rationale: Arteries are defined as vessels that carry blood away from the heart, regardless of oxygenation status (e.g., pulmonary artery carries deoxygenated blood). Veins travel to the heart. A and B are not universally true for all arteries.
Question 5 of 5
The nurse's client asks, 'How did I get rheumatic heart disease?' The most appropriate response by the nurse is that rheumatic heart disease is frequently a result of?
Correct Answer: D
Rationale: Rheumatic heart disease (RHD) is a complication of rheumatic fever, which is triggered by an untreated streptococcal infection (e.g., strep throat). Pregnancy, hypertension, and genetics may exacerbate heart conditions but are not primary causes of RHD.