ATI RN
Cardiovascular System Questions and Answers Questions
Question 1 of 5
A healthy elastic artery
Correct Answer: A
Rationale: Elastic arteries (e.g., aorta) are compliant (A), stretching to accommodate systolic pressure. They don’t reduce flow (B), aren’t resistance vessels (C, muscular arteries), and have thick, regular walls (not D).
Question 2 of 5
Most blood enters the ventricle during
Correct Answer: B
Rationale: Most ventricular filling (~70-80%) occurs passively during atrial diastole (B) when AV valves are open.
Question 3 of 5
Upon finding a client in cardiac arrest, the nurse should administer which of the following drugs first?
Correct Answer: B
Rationale: Epinephrine (B) is the first drug in ACLS for cardiac arrest to stimulate cardiac activity. Atropine (A) treats bradycardia, lidocaine (C) arrhythmias, atenolol (D) hypertension.
Question 4 of 5
A client has been taking warfarin sodium (Coumadin) for the prevention of deep vein thrombosis. When the home care nurse arrives for a weekly visit, the client reports having been using aspirin (acetylsalicylic acid) daily for arthritic pain since hearing a commercial on television bolstering its benefits. Which of the following is the most appropriate response by the nurse, based on an understanding of the effect of combining Coumadin with aspirin?
Correct Answer: B
Rationale: Warfarin and aspirin (B) both increase bleeding risk (anticoagulant + antiplatelet). Other options (A, C, D) are incorrect and unsafe.
Question 5 of 5
Blood supply to the liver, spleen, and stomach is carried in:
Correct Answer: D
Rationale: The coeliac artery supplies oxygenated blood to the liver, spleen, and stomach via its branches (e.g., hepatic, splenic, and gastric arteries). The mesenteric arteries supply the intestines, and the external iliac serves the lower limbs.