Hypoxemia during FB on a mechanically ventilated patient is typically due to:
a. inappropriately set alarms.
b. equipment failure.
c. loss of lung volume.
d. bronchospasm.
ANS: C
Hypoxemia during FB on mechanically ventilated patients is related to several factors, including loss of lung volume during suctioning, particularly if tidal volume delivery also is compromised. It occurs more frequently in those with acute respiratory distress syndrome and in those insuffi-ciently sedated.
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Etiquette refers to:
A. connections between or among people. B. showing faith to people that one is under obligation to defend or support. C. acceptable standards of behavior in a polite society. D. people working together in a cooperative action. E. None of the above
Which of the following are examples of how computers are used in diagnostic services?
A. Pharmacy drugs are inventoried using a computer. B. The positron emission tomography (PET) computer produces a 3-D image that shows an organ or bone from all sides. C. Respiratory therapy computers keep critically ill patients in homeostasis. D. Computers in intensive care units monitor patients and warn caregivers about potentially dangerous conditions. E. All of the above