A leak around a patient's ET tube cuff during pressure support ventilation (PSV) will cause which of the following to occur?
a. Volume cycle
b. Time cycle
c. Pressure cycle
d. Flow cycle
ANS: B
A leak around a cuff could cause a pressure support breath to never flow cycle. For this reason, most ventilators time cycle at a maximum inspiratory time of 1.5-2 seconds.
Health Professions
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The unit used to express the force of 1 newton (N) acting on a 1-kilogram (kg) object to move it 1 meter (m) is which of the following?
a. Watt c. Kilowatt b. Joule d. Kinetic energy
Health Professions
All of the following questions should be asked of a patient who provides a positive response on the medical history for asthma EXCEPT:
A. severity of attacks. B. frequency of attacks. C. trigger of attacks. D. all of the above questions should be asked.
Health Professions