ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The heart would stop pumping
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Blood would not flow into the coronary arteries
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Blood from the pulmonary artery would enter the aorta
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Blood would move between the right and keft sides of the heart
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Detailed explanation-1: -A ventricular septal defect changes the direction of blood flow in the heart and lungs. The hole lets oxygen-rich blood go back into the lungs, instead of going out to the body. Oxygen-rich blood and oxygen-poor blood now mix together.
Detailed explanation-2: -In an atrial septal defect, there’s an opening in the wall (septum) between the atria. As a result, some oxygenated blood from the left atrium flows through the hole in the septum into the right atrium, where it mixes with oxygen-poor blood and increases the total amount of blood that flows toward the lungs.
Detailed explanation-3: -The septum helps keep oxygen-rich blood from the lungs from mixing with oxygen-poor blood from the body. It also prevents blood from flowing back into the heart chambers after pumping it out.
Detailed explanation-4: -The right and left sides of the heart are separated by a muscular wall that prevents blood without oxygen from mixing with blood that has oxygen. The heart also has valves that separate the chambers and connect to major blood vessels.