Regarding ambulance warning devices, which of the following statements is NOT true?
A) The use of strobes is controversial.
B) The large lights on the outermost corners of the ambulance box should blink alternately.
C) Four-way flashers should not be used as emergency lights.
D) In most states it is illegal to drive at night with only one headlight.
B
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When interviewing a patient with a medical emergency, an AEMT is using the technique of "summarization" when she says:
A) "With one finger, can you point to where it hurts?" B) "So, the nausea and vomiting started two days ago." C) "Did you also have diarrhea with your nausea and vomiting?" D) "I know how you feel; I had the same thing last week."
Which of the following statements regarding radiographic detection of caries is correct?
A) Decalcification must reach 80 to 90 percent loss of hard structure to be imaged radiographically. B) The depth of the caries appears more advanced radiographically than clinically. C) The periapical radiograph is the radiograph of choice to image caries. D) Some practitioners prefer to use a low kVp to best image caries.