ATI RN
Cardiovascular System Assessment Questions Questions
Question 1 of 5
Most of the plasma proteins are synthesized in the
Correct Answer: A
Rationale: The liver (A) produces most plasma proteins (albumin, fibrinogen, globulins).
Question 2 of 5
Arteries serving the stomach, pancreas, and liver all branch from the
Correct Answer: C
Rationale: The celiac trunk (C) supplies the stomach, pancreas, and liver. Mesenteric arteries (A, B) serve intestines, splenic (D) is a branch of celiac.
Question 3 of 5
The influx of which ion accounts for the plateau phase?
Correct Answer: D
Rationale: Calcium (D) influx via L-type channels sustains the plateau phase in cardiac action potentials.
Question 4 of 5
The two tubes that eventually fuse to form the heart are referred to as the
Correct Answer: B
Rationale: Endocardial tubes (B) fuse to form the primitive heart tube in the embryo.
Question 5 of 5
Which of the following interventions should the nurse include in the plan of care for a client taking an ACE inhibitor?
Correct Answer: A
Rationale: ACE inhibitors (A) can cause first-dose hypotension, requiring BP monitoring for 2 hours. High doses (B), potassium supplements (C), and alternate dosing (D) are incorrect.