The reading obtained by the use of a pulse oximeter reflects the:
A) amount of saturated hemoglobin per deciliter of blood.
B) amount of oxygen dissolved in the blood.
C) ratio of unsaturated hemoglobin to saturated hemoglobin.
D) partial pressure of oxygen in capillary blood.
C
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What does the presence of stridor indicate?
a. Lower airway obstruction b. Increased secretions in the large airways c. Upper airway obstruction d. Bronchial spasm
Arteries ________ because of the high pumping pressure they receive from the heart.
A. stiffen B. make a hissing sound C. expand D. pulsate
In the chapter it is noted that the commonly made statement that "sports are reflections of society"
A. is likely to inspire people to want to change sports. B. applies to race and gender issues, but not to other social issues. C. is not supported in any of the research done in the sociology of sport. D. ignores the capacity of people to act as agents of cultural production.
Which of the following nerves,when stimulated, causes a decrease in the respiratory and heart rates of the newborn?
a. VII cranial nerve c. phrenic b. IX cranial nerve d. V cranial nerve (trigeminal)