ANATOMY 1. What is the purpose of the chordae tendineae? 2. The lateral vessel i

Question

ANATOMY

1. What is the purpose of the chordae tendineae?

2. The lateral vessel in the forearm is the _____ artery and the lateral vessel in the leg is the ____ artery.

3. Which of the following correctly lists blood flow from the heart to the leg?

A. to prevent blood from flowing into the pulmonary trunk and aorta B. to provide additional surface area for the atria as they contract C. to keep the atrioventricular valves shut during ventricular contraction D. to keep the atrioventricular valves open during atrial contraction

Explanation / Answer

1. C. to keep the atrioventricular valves shut during ventricular contraction

2. B. radial; fibular

3. D. Abdominal aorta, right external iliac, and popliteal (the correct order is aortic arch, abdominal aorta, right common iliac, right internal iliact, external iliac, femoral artery, popliteral artery, anterior tibial artery)

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