Which of the following factors affect pulmonary deposition of an aerosol? 1. Size of the particles 2. Shape and motion of the particles 3. Physical characteristics of the airways 4. Class of medication being delivered
a. 1 and 4 only
b. 1 and 3 only
c. 2, 3, and 4 only
d. 1, 2, and 3 only
ANS: D
Whether aerosol particles that are inhaled into the lung are deposited in the respiratory tract de-pends on the size, shape, and motion of the particles and on the physical characteristics of the airways and breathing pattern.
You might also like to view...
The reason a whirlpool bath is beneficial is that:
A. the temperature is constantly maintained at 105°F. B. the movement of the water cleanses the resident without soap. C. being surrounded by warm, circulating water is relaxing. D. it improves the condition of the resident’s skin.
After a patient is discharged, he or she should receive a complete list of which of the following?
A. Any dosing errors that occurred B. Other health-care providers C. Medications to be taken D. Herbal supplements that can be used instead of approved medications
Traumatic fractures are based on a number of criteria. Which of the following is NOT one of them?
A) Specific bone B) Site on the bone C) Cause of the fracture D) Open or closed
Which of the following is the most appropriate action when opening sterile packages of instruments and supplies and applying them to a sterile field?
a. You may touch the inside flap. b. Gather the loose edges of the package to prevent dragging over the field. c. Open peel-apart packages using scissors. d. Open the first flap toward you.