to the intensive care unit, the respiratory therapist notices oxygen saturationhas dropped
to 88% and that the bag-valve is easier to squeeze than normal.Suspecting mal-
positioning of the ET tube, the respiratory therapist should first
a. Perform diagnostic chest percussion
b. Obtain an arterial blood gas
c. Call for a chest radiograph
d. Examine chest rise and auscultate breath sounds
ANS d. Examine chest rise andauscultate breath sounds
7. A 48-year-old patient has just been orally intubated prior to being placed on volume-
controlled ventilation. The respiratory therapist should do whichof the following to best
confirm proper placement of the endotracheal tube?
a. Auscultate breath sounds
b. Assess chest rise symmetry
c. Examine tube markings near the lips
d. Obtain a chest radiograph
ANS d. Obtain a chest radiograph
8. After 20 minutes into a spontaneous breathing trial (SBT) a mechanicallyventilated
4 of 91 8/8/2024, 3:46
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