Aerosol and Transdermal

Question 1

which of the following is considered a true aerosol system?
a. mist generated by nebulizers
b. very fine baby powder suspended in air
c.foam produced from shaving cream
d. A & B only
e. A,B and C

Answer 1

D. mist generated by nebulizers and very fine baby powder suspended in air

Question 2

Which of the following is TRUE about aerosol dosage forms?
a. Often increase systemic side-effects
b. They often have slow action
c. Inaccurate dosing
d. Administration of a thick layer of drug only
e. Allow local therapeutic effects

Answer 2

e. Allow local therapeutic effects

Question 3

definition of aerosol

Answer 3

a suspension of small solid particles suspended in a gas or vapor

Question 4

dispersed system of aerosol

Answer 4

solid/liquid in gas/vapor

Question 5

dispersed system of foam

Answer 5

gas/vapor in liquid

Question 6

aerosol is a system that depends on the power of a compressed or liquefied gas _____ to expel the contents from the container

Answer 6

propellant

Question 7

what is the main disadvantage of HFA as the propellants for inhalers?
a. horrible taste
b.inadequate solvent power
c. high toxicity
d.it damages the ozone layer
e.vapor pressure too low

Answer 7

b.inadequate solvent power

Question 8

what is the purpose of ethanol in bronchodilator?