Chapter 36 Aerosol Drug Therapy

Chapter 36  Aerosol Drug Therapy

Complete Chapter Questions And Answers
 

Sample Questions

MULTIPLE CHOICE

1. Which of the following best defines an aerosol?
a.
suspension of liquid droplets in a gas
b.
suspension of particulate matter in a gas
c.
molecular water dispersed throughout a carrier gas
d.
suspension of liquid or solid particles in a gas

ANS: D
An aerosol is a suspension of solid or liquid particles in gas.

DIF: Recall REF: p. 845 OBJ: 1

2. With which of the following devices are therapeutic aerosols generated?
1. atomizers
2. nebulizers
3. humidifiers
a.
1 and 2
b.
1 and 3
c.
2 and 3
d.
1, 2, and 3

ANS: A
In the clinical setting, medical aerosols are generated with atomizers, nebulizers, or inhalers.

DIF: Recall REF: p. 845 OBJ: 3

3. The mass of aerosol particles produced by a nebulizer in a given unit time best describes which quality of the aerosol?
a.
stability
b.
density
c.
output
d.
deposition

ANS: C
Aerosol output is defined as the mass of fluid or drug contained in aerosol produced by a nebulizer generated per unit of time.

DIF: Recall REF: p. 845 OBJ: 2

4. Which of the following describes the mass of drug leaving the mouthpiece of a nebulizer as aerosol?
a.
single dose
b.
emitted dose
c.
multiple dose
d.
output dose

ANS: B
For drug delivery systems, emitted dose describes the mass of drug leaving the mouthpiece of a nebulizer or inhaler as aerosol.

DIF: Recall REF: p. 845 OBJ: 2

5. Which of the following is a common method to measure aerosol particle size?
a.
scan
b.
gravimetric
c.
cascade impaction
d.
penetration studies

ANS: C
The two most common laboratory methods used to measure aerosol particle size are cascade impaction and laser diffraction.

DIF: Recall REF: p. 845 OBJ: 2