You can shield yourself from beta particles using:
A. 3 cm of dry air.
B. a thick piece of paper.
C. a 1 cm thickness of aluminum.
D. all of the above
Answer: C
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Which is true with respect to passing another vehicle?
a) Passing should be done in the right lane
b) A safe pass takes about 6 seconds at 40 to 60 miles per hour
c) Stay in the passing lane no longer than necessary
d) Only allowed on roads with at least two lanes in your direction of travel
Which of the following is a societal trend that has helped contribute to increased use of EHR?
A) Rising public concern about the security of electronic data B) Increased specialization among medical care providers C) Americans' decreasing tendency toward relocation D) Patient reluctance to rely on health information obtained through the Internet
Solve the percents, rounding off to the closest hundredth if necessary. 12% of what number is 100?
Fill in the blank(s) with the appropriate word(s).
The EMT recognizes that alcohol or drug dependence often occurs in those with post-traumatic stress disorder (PTSD) because:
A) it is used to blunt the sympathetic nervous system and emotional mental anguish. B) the medications that treat PTSD make the individual more prone to alcohol and drug abuse. C) it reflects an individual weakness since not all with PTSD have substance abuse issues. D) it is therapeutic by "slowing down" the brain and allowing mental processing of past experiences.