ATI RN
Cardiovascular System Quiz Questions Questions
Question 1 of 5
An ABO mismatched blood transfusion can cause acute renal failure because the
Correct Answer: D
Rationale: Mismatched transfusion lyses RBCs, releasing hemoglobin that clogs kidneys (D).
Question 2 of 5
Which of the following is not important in preventing backflow of blood?
Correct Answer: D
Rationale: Chordae tendineae (A), papillary muscles (B), and AV valves (C) prevent backflow in ventricles. Endocardium (D) lines the heart but doesn’t prevent backflow.
Question 3 of 5
Ventricular relaxation immediately follows
Correct Answer: B
Rationale: Ventricular relaxation (diastole) follows ventricular repolarization (B), marked by the T wave.
Question 4 of 5
The nurse is caring for a client with hypertension. Which of the following drugs should the nurse administer?
Correct Answer: B
Rationale: Dyazide (B), a diuretic combo, treats hypertension by reducing blood volume. Mexiletine (A) is an antiarrhythmic, digoxin (C) treats heart failure, warfarin (D) is an anticoagulant.
Question 5 of 5
The nurse should monitor a client with an acute myocardial infarction who is receiving intravenous streptokinase (Streptase) for which of the following serious adverse reactions?
Correct Answer: A
Rationale: Streptokinase (A), a thrombolytic, risks intracranial hemorrhage, a life-threatening complication. Nausea (B), MI extension (C), and embolus (D) are less directly related.