The normal perfusion of body tissues requires all of the following components, EXCEPT:
a. adequate mentation
b. intact vascular system
c. functional pump
d. adequate blood volume
A
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The yellow area of an NFPA 704 placard contains information about the _____ risk posed by the substance
A) explosion B) fire C) water reactivity D) health
The conversion of HbO2 to deoxygenated Hb does which of the following? 1. Decreases blood carbon dioxide content. 2. Enhances carbon dioxide loading on Hb. 3. Helps buffer H+ ions
a. 2 and 3 only b. 1 and 2 only c. 3 only d. 1, 2, and 3
WBCs are divided into two basic groups known as what?
a. Granulocytes and cytoplasm b. Polymorphonuclear and apolymorphonuclear c. Mononuclear and agranulocytes d. Granulocytes and agranulocytes
What is an advantage of a straight stream over a fog stream?
a. greater heat absorption b. increased surface area of the stream c. less nozzle reaction d. longer reach