Which of the following statements about fire stream types is MOST accurate?
A. The pattern type must be correctly matched to the pattern size.
B. The pattern must supply at least 50 percent of the critical flow rate.
C. The pattern must be compact enough for the water to reach the burning material.
D. The pattern must maintain its shape at least 50 percent of the reach of the fire stream.
C
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The EMT would document an FDO2 level when she is:
A) assisting breathing with a bag-valve-mask device. B) inserting a nasopharyngeal airway. C) providing oxygen at greater than 10 liters per minute. D) using a nonrebreather face mask with high-concentration O2.
The results of a titration showed 2+ positive reactions at 1:2, 1:4, 1:8, and 1:16 dilutions; 1+ positive reactions at 1:32 and 1:64 dilutions; and a negative reaction at 1:128 dilution. What would be the titer result reported?
a. 16 b. 32 c. 64 d. 128
The air moves from a HEPA filter at a rate of 90 to 120 linear ____________________ per minute
Fill in the blank(s) with correct word
What prevents food or water from entering the trachea?
a. tympanum b. epiglottis c. arytenoid cartilage d. vallecula