Contrast-enhanced MR images use ________as the contrast material of choice.
a. iodine
b. barium
c. gadolinium
d. hydrogen
c. gadolinium
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What is the affect on the cardiovascular medullary centers when the cerebral carbon dioxide is low?
a. Excitatory b. Inhibitory c. No affect d. Increased vascular tone
Antihistamines stop the effects of histamine from worsening and they reverse the response that has already occurred.
Answer the following statement true (T) or false (F)
The nursing assistant has no responsibility to report incomplete assignments.
Answer the following statement true (T) or false (F)
You should be MOST suspicious of tube misplacement following an open cricothyrotomy if:
A) bleeding from the subcutaneous tissues is observed. B) there is minimal rise of the chest during ventilations. C) progressive redness is noted around the insertion site. D) a crackling sensation is noted when palpating the neck.