Which of the following can be measured with the GE Carestation? 1. Oxygen consumption 2. Carbon dioxide production 3. Ejection fraction 4. Respiratory quotient 5. Energy expenditure
a. 1 and 3 c. 1, 2, 4, and 5
b. 1, 2, and 4 d. 1, 2, 3, 4, and 5
ANS: C
Measurements of oxygen consumption and carbon dioxide production are used to calculate res-piratory quotient and energy expenditure.
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Which of the following structures allows food to move from the mouth to the stomach?
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Warfarin skin necrosis occurs within the first 2 to 3 days after starting warfarin therapy because:
a. The platelet count decreases to fewer than 100 ยด 109/L, and significant bleeding occurs. b. Protein C decreases significantly before full anticoagulation, and skin thrombosis results. c. Prothrombin decreases rapidly generating less thrombin, and significant bleeding occurs. d. Plasminogen increases, and rapid clot lysis occurs.