What factor primarily determines the effect of positive-pressure ventilation (PPV) on the cardiac output?
a. Peak airway pressure
b. Mean pleural pressure
c. CO2
d. Expiratory time
ANS: B
More specifically, the decrease in left ventricular output corresponded to the increase in pleural pressure that occurred with PPV.
Health Professions
You might also like to view...
Where must fluid-resistant laboratory coats be worn?
a. Walking to a patient room to collect a sample b. Cafeteria c. Restroom d. Home
Health Professions
What is the difference between a red top tube and a tiger top tube?
A) The red top tube contains EDTA. B) Only tiger top tubes are used for biochemistry profiles.C) The tiger top contains a separator gel. D) The red top tube contains heparin.
Health Professions