سؤال 2

A vessel is identified as an artery even though it carries blood with little oxygen. Which feature justifies that name?

It has a larger diameter than every vein.
It carries blood away from the heart regardless of oxygen content.پاسخ درست
It always carries oxygen-rich blood.
It contains the smallest vessels in the body.

توضیح

Vessels are named by the direction in which they carry blood relative to the heart. Oxygen content cannot define an artery because the pulmonary artery carries blood with little oxygen toward the lungs.

توضیح

ادامهٔ این آزمون