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Figure 40.10 Which of the following statements about the circulatory system is false?
- Blood in the pulmonary vein is deoxygenated.
Introduction:
The complex circulatory system has divided into three divisions the systemic circuit, the pulmonary circuit, and the coronary circuit. In coronary circulation, the heart receives blood directly from the aorta derive from the heart while in the pulmonary and systemic circulation, the heart propels blood to the lungs or remaining part of the body.
Answer to Problem 1VCQ
Correct answer:
The correct answer is option (c) Blood in the pulmonary artery is deoxygenated.
Explanation of Solution
Explanation/justification for the correct answer:
Option (c) blood in the pulmonary artery is deoxygenated. Arteries typically carry oxygenated blood, except pulmonary arteries that taken up deoxygenated blood from the right ventricles, and then carried to the lungs for oxygenation. So, the correct answer is option (c).
Explanation for the incorrect answer:
Option (a) blood in the pulmonary vein is deoxygenated. The pulmonary veins carry the oxygenated blood from the lungs to the left atrium of the heart. So, this is an incorrect option.
Option (b) blood in the inferior vena cava is deoxygenated. Superior vena cava takes up deoxygenated blood from the brain and arms while inferior vena cava carries blood from the lower organs and legs to the right atrium. So, this is an incorrect answer.
Option (d) blood in the aorta is oxygenated. The blood gets pumped into the left ventricle through the bicuspid valve or mitral valve and then passes to the aorta, which further circulates oxygenated blood to the organs and muscles of the body. So, this is an incorrect answer.
The statement blood in the pulmonary artery is deoxygenated is false. Hence, the correct answer is option (c) blood in the pulmonary artery is deoxygenated.
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Chapter 40 Solutions
Biology 2e
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