Certified Rhythm Analysis Technician (CRAT) Practice Exam 2025 – All-in-One Study Guide for Exam Success!

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What structure is responsible for the transporting of blood to the lungs?

Aorta

Pulmonary artery

The pulmonary artery is the vessel specifically responsible for carrying deoxygenated blood from the heart to the lungs for oxygenation. This vital structure emerges from the right ventricle of the heart. Once in the lungs, the blood releases carbon dioxide and absorbs oxygen during the process of respiration.

In contrast, the aorta is the main artery that distributes oxygenated blood from the heart to the rest of the body, while the pulmonary veins transport oxygenated blood back from the lungs to the heart. The superior vena cava is responsible for bringing deoxygenated blood from the upper body back to the heart. Understanding these functions highlights why the pulmonary artery is specifically labeled for this role in transporting blood to the lungs.

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Pulmonary veins

Superior vena cava

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