Question:
Right atrium : coronary sinus :: left atrium : ______________.
Right atrium : coronary sinus :: left atrium : ______________.
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Right atrium receives deoxygenated blood; left atrium receives oxygenated blood.
Updated On: Mar 6, 2026
- coronary artery
- inferior vena cava
- pulmonary artery
- pulmonary vein
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the analogy.
The coronary sinus opens into the right atrium and drains deoxygenated blood from the heart muscle.
Step 2: Structure connected to left atrium.
Pulmonary veins open into the left atrium and bring oxygenated blood from the lungs.
Step 3: Identifying the correct match.
Just as coronary sinus is associated with the right atrium, pulmonary veins are associated with the left atrium.
Step 4: Conclusion.
Hence, the correct answer is pulmonary vein.
The coronary sinus opens into the right atrium and drains deoxygenated blood from the heart muscle.
Step 2: Structure connected to left atrium.
Pulmonary veins open into the left atrium and bring oxygenated blood from the lungs.
Step 3: Identifying the correct match.
Just as coronary sinus is associated with the right atrium, pulmonary veins are associated with the left atrium.
Step 4: Conclusion.
Hence, the correct answer is pulmonary vein.
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