The inferior vena cava delivers deoxygenated blood to which chamber of the heart?

Question

The inferior vena cava delivers deoxygenated blood to which chamber of the heart?

BlackTom AI · Accepted Answer

The question asks which chamber of the heart receives deoxygenated blood from the inferior vena cava.
Option 1: Left atrium. This is incorrect because the left atrium receives oxygenated blood from the lungs via the pulmonary veins, not deoxygenated blood from the body.
Option 2: Left ventricle. This is incorrect as the left ventricle receives blood from the left atrium and then pumps it to the systemic circulation; it does not receive blood from the inferior vena cava.
Option 3: Right atrium. This is the correct choice because the inferior vena cava returns deoxygenated blood from the lower body directly into the right atrium, where it then moves to the right ventricle.
Option 4: Left atrium. Repeated here; as noted earlier, the left atrium handles oxygenated blood from the lungs, not deoxygenated blood from the inferior vena cava, so this remains incorrect.
In summary, only the right atrium handles deoxygenated blood returning from the body via the inferior vena cava, while the other chambers have distinct roles in receiving or pumping oxygenated blood.

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