with Correct Answers
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 Correct Answer-d.
Suspension of liquid or solid particles in a gas
With which of the following devices are therapeutic aerosols generated?
1. Atomizers
2. Nebulizers
3. Humidifiers
4. Soft mist inhalers
a.
1, 2, and 4 only
b.
1 and 4 only
c.
,2 and 3 only
d.
1, 2, 3, and 4 Correct Answer-a.
1, 2, and 4 only
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 Correct Answer-c.
Output
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 Correct Answer-b.
Emitted dose
Which of the following is a common method to measure aerosol particle
size?
a.
Scan
b.
Gravimetric
c.
Cascade impaction
d.
Penetration studies Correct Answer-c.
Cascade impaction
What measure is used to identify the particle diameter, which
corresponds to the most typical settling behavior of an aerosol?
a.
Mean mass velocity coefficient (MMVC)
b.
Logarithmic standard diameter (LSD)
c.
, Mean mass aerodynamic diameter (MMAD)
d.
Geometric standard deviation (GSD) Correct Answer-c.
Mean mass aerodynamic diameter (MMAD)
What measure is used to describe the variability of particle diameters in
an aerosol?
a.
MMVC
b.
LSD
c.
MMAD
d.
GSD Correct Answer-d.
GSD
Most nebulizers used in respiratory care produce which type of aerosol
suspension?
a.
Monodisperse
b.
Microaerosol
c.