Which of the following heart chambers is correctly associated with the blood vessel that enters or leaves it?
A. Left atrium - aorta
B. Right ventricle - pulmonary trunk
C. Left ventricle - superior vena cava and inferior vena cava
D. Right atrium - aorta
E. Right atrium - pulmonary veins
Answer: B
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Matching
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What will be an ideal response?
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A. within the normal PO2 range have little effect on regulation of respiration. B. never change enough to influence respiration. C. are more important than CO2 levels in the regulation of respiration. D. in venous blood and arterial blood are about the same. E. need to change only slightly to cause a change in respiration rate.