All of the following are true of ultrasonography EXCEPT:
a. Ultrasonography provides a more definitive type of picture than x-rays.
b. Ultrasonography uses sound waves bounced off the desired structure to form a picture of the organ.
c. Ultrasonography is potentially less damaging than x-rays.
d. Ultrasonography cannot be used during pregnancy because of the embryo's developing eardrums.
D
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People who overreact at the scene of an emergency, such as an incident with multiple casualties, will MOST likely:
A) have a history of anxiety. B) be compulsively talkative. C) be in a numbed, dazed state. D) experience bodily dysfunction.
Minute volume would increase if:
A. tidal volume was reduced. B. respiratory rate was increased. C. a patient's breathing was shallow. D. the amount of dead space air increased.