Today's firefighters are faced with ____ task when fighting vehicle fires compared with a few years ago.
A. the exact same
B. a completely different
C. a simpler
D. a much more complex
Answer: D
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What is the static lung compliance when the returned tidal volume is 700 mL, the positive end-expiratory pressure is 10 cm H2O, the peak inspiratory pressure is 45 cm H2O, and the plat-eau pressure is 35 cm H2O?
a. 0.160 L/cm H2O c. 0.028 L/cm H2O b. 0.020 L/cm H2O d. 0.735 L/cm H2O
The lethal dose (LD 50/30) of radiation for humans is estimated to be:
a. 4,500 grays. b. 450 grays. c. 45 grays. d. 4.5 grays.
During a patient interview, you note signs of anxiety in the patient. You may be able to help the patient by ____.
A. stopping the interview B. letting him take the lead C. bringing in the physician D. telling him to calm down E. allowing him to describe his feelings
Which of the following is a characteristic of an acid?
A. sour taste B. produce hydrogen ions in solution C. turn litmus red D. all of the above