Our breathing rate is determined by the concentration of __________ in the blood.

A. oxygen
B. carbon dioxide
C. oxygenated hemoglobin
D. chemoreceptors


Answer: B

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Potential effects of hyperventilation on the central nervous system include which of the follow-ing? 1. Increased O2 consumption 2. Increased cerebral vascular resistance (CVR) 3. Increased intracranial pressure (ICP)

a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3

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Which lateral hip rotator lies above and can compress the sciatic nerve when tight?

A) gemellus inferior B) gemellus superior C) obturator externus D) piriformis

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Constant pressure in the walls of the arteries is ____

A) pulse deficit B) systolic C) diastolic D) hypertension

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When collecting a blood culture specimen directly from a butterfly into blood culture bottles, which should be filled first?

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