Which of the following are true about continuous positive airway pressure (CPAP)?
1. It maintains alveoli at greater inflation volumes.
2. It holds airway pressure essentially constant.
3. It provides the pressure gradient needed for ventilation.
4. It has side effects similar to those of positive pressure ventilation.
a. 1 and 3 only
b. 1, 2, and 4 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: B
Because airway pressure does not change, CPAP does not provide ventilation.
You might also like to view...
Primarily, failure to warn is used in reference to:
a. pharmacy technicians b. psychiatric patients c. pharmacists d. healthcare providers
For tube testing, the most commonly used plasma-to-cell ratio is
a. One drop of plasma and one drop of 5% suspension of red blood cells b. One drop of plasma and two drops 5% suspension of red blood cells c. Two drops of plasma and one drop of 5% suspension of red blood cells d. Two drops of plasma and two drops of 5% suspension of red blood cells
Giving a child multiple vaccines provides them with protection as early as possible during the vulnerable early months of their lives.
a. true b. false
What type of information is NOT found on a procedure day sheet?
A. the dates that procedures took place B. adjustments for a particular patient C. debits relating to procedures D. the place of service for procedures