Which of the following factors has been shown to positively correlate with obstructive sleep ap-nea?

a. Age
b. Height
c. Obesity of the upper body
d. Blood pressure at rest

ANS: C
Obesity, especially of the upper body, has been found to correlate positively with the presence of obstructive sleep apnea.

Health Professions

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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.

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What does reverse tolerance mean ?

Define the term briefly.

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