Blood Oxygen Levels

question 110

Multiple Choice

Blood oxygen levels

• A)are more important than carbon dioxide levels in the regulation of respiration.
• B)need to change only slightly to cause a change in respiration rate.
• C)within the normal PO₂ range have little effect on regulation of respiration.
• D)in venous blood and arterial blood are about the same.
• E)never change enough to influence respiration.

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