Which respond more rapidly to high levels of CO2?
a. Aortic chemoreceptors
b. Carotid chemoreceptors
c. Central chemoreceptors
d. Ventral respiratory centers
ANS: B
The carotid chemoreceptors respond to increased arterial hydrogen ion concentration more rapid-ly than do the central chemoreceptors.
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Which of the following statements about structural surveys is MOST accurate?
A. Preincident surveys are typically conducted on occupied private residences. B. Public access structures and workplaces are not subject to structural surveys. C. Commercial, industrial, institutional and educational structures are subject to structural surveys. D. Preincident surveys are conducted only as an educational opportunity for the home or business owner.
When using the vacuum container method, it is important to use a(n) ________.
A. small vein B. large vein C. large artery D. arteriole