Multiple Choice
Which of the following is not a formed element found in the blood?
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17. The Blood
Introduction To Blood
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Which of the following statements is true of blood arriving from the pulmonary arteries?
A
It is oxygen-poor and travels to the right atrium.
B
It is oxygen-rich and travels to the right ventricle.
C
It is oxygen-rich and travels to the left atrium.
D
It is oxygen-poor and travels to the lungs.
Verified step by step guidance1
Understand the function of the pulmonary arteries: The pulmonary arteries carry blood from the heart to the lungs.
Identify the oxygen content of the blood in the pulmonary arteries: Blood in the pulmonary arteries is oxygen-poor because it has just returned from circulating through the body and has not yet reached the lungs to pick up oxygen.
Determine the destination of the blood in the pulmonary arteries: The blood travels to the lungs, where it will receive oxygen.
Clarify the role of the right side of the heart: The right ventricle pumps oxygen-poor blood into the pulmonary arteries, not the right atrium.
Conclude with the correct statement: Blood arriving from the pulmonary arteries is oxygen-poor and travels to the lungs to become oxygenated.
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