When using an SVN or pMDI with NPPV, where in the NPPV circuit should the device be placed to obtain the greatest aerosol deposition?
a. Before the leak port
b. Anywhere in the circuit
c. Between the NPPV and the humidifier
d. Between the leak port and the face mask
ANS: D
To achieve the greatest aerosol deposition when using a pMDI or SVN, the device should be placed close to the patient, between the leak port and the face mask.
You might also like to view...
Which of the following statements describes the difference between an inverted roof and a conventional roof?
A) In a conventional roof, the main joists are located at the level of the ceiling. B) In an inverted roof, the main joists are located at the final roof level. C) In an inverted roof, the main joists are located at the level of the ceiling. D) In an inverted roof, the framework to support the floor deck is constructed below the main joists.
Answer the following statement(s) true (T) or false (F)
1. Estrogen and progesterone are responsible for the female secondary sex characteristics. 2. Oogenesis is the process of ovum formation. 3. Pregnancy results when a sperm cell unites with an ovum in a process called spermatogenesis. 4. Pregnancy results when a sperm cell unites with an ovum in a process called fertilization. 5. The morula implants in the endometrial wall of the uterus.