The particle size above and below which 50 of the particles are found is termed
a. count mode.
b. count median diameter (CMD).
c. mass median diameter (MMD).
d. geometric standard deviation (GSD).
Q. 2 This device is propellant-free and utilizes mechanical energy in the form of a tension spring to deliver medication.
a. Breath-enhanced nebulizer
b. Breath-actuated jet nebulizer
c. Ultrasonic nebulizer
d. Soft-mist inhaler
Q. 3 This device is electrically powered and operates on the piezoelectric principle and is capable of high output.
a. Breath-enhanced nebulizer
b. Breath-actuated jet nebulizer
c. Ultrasonic nebulizer
d. Soft-mist inhaler
Q. 4 A measure of the dispersion of a distribution, calculated as the ratio of particle size below which 84 of the particles occur to the particle size below which 50 occur, in a log-normal distribution is termed
a. count mode.
b. count median diameter (CMD).
c. mass median diameter (MMD).
d. geometric standard deviation (GSD).
Q. 5 ________________ is the particle size above and below which 50 of the mass of the particles are found.
a. Count mode
b. Count median diameter (CMD)
c. Mass median diameter (MMD)
d. Geometric standard deviation (GSD)
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