Normal air is approximately ________ oxygen and ________ nitrogen.
A. 95%/5%
B. 21%/78%
C. 50%/50%
D. 1%/99%
Answer: B
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When a patient suffers penetrating trauma to the chest, as the diaphragm moves downward, air will:
A) enter the pleural cavity from outside. B) not move into the chest cavity. C) be forced from the chest cavity. D) accumulate in the lungs.
Once a pediatric patient goes into cardiac arrest, a grim prognosis is almost assured.
Answer the following statement true (T) or false (F)
The fluid outside the body cell is called:
a. intravascular fluid .c. extracellular fluid. b. interstitial fluid .d. intracellular fluid.
Which of the following statements regarding the fire command center in a high-rise is MOST accurate?
A) The location of the fire command center must be approved by the fire department. B) The fire command center is often required to be an enclosed room separated from the remainder of the building by three-hour fire-rated construction. C) The fire command center must have an exterior access. D) All fire command centers must follow the approved, standard layout as identified in the model building codes.