The bubbles in Class B foam are filled with a gas, usually ____, creating a blanket over the surface of the fuel.
A. phosgene
B. carbon dioxide
C. air
D. helium
Answer: C
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Which of the following factors will cause analysis of blood gas samples to be erroneous?
1. Warming the sample 2. Low leukocyte counts 3. The presence of air bubbles in the sample 4. Icing the sample between obtaining and analyzing 5. Prolonged time delay between obtaining and analyzing a sample a. 2 and 3 c. 1, 3, and 5 b. 2 and 4 d. 1, 2, 4, and 5
Which of the following is not a potential hazard of intermittent positive-pressure breathing?
a. Increased cardiac output b. Respiratory alkalosis c. Pulmonary barotrauma d. Gastric distention
_________ is the most serious potential hazard associated with the use of acetylcysteine
a. Nausea b. Rhinorrhea c. Tachycardia d. Bronchospasm
The slow loss of kidney function over a period of months or years is:
A) chronic kidney disease. B) kidney disease. C) acute renal failure. D) nephritis.