Expectorants include which of the following? 1. Guaifenesin 2. Robitussin 3. Iodinated glycerol 4. Potassium iodide 5. Benadryl

a. 1 only
b. 2, 3, and 4 only
c. 1, 2, 3, and 4 only
d. 1, 2, 3, 4, and 5

ANS: C

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Most nebulizers used in respiratory care produce which type of aerosol suspension?

a. Monodisperse b. Microaerosol c. Heterodisperse d. Macroaerosol

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Which of the following best describes a proper a dose-response assessment of a metered dose inhaler (MDI) bronchodilator?

a. Give 4 puffs one after the other, wait 1 min, repeat up to 16 puffs. The best dose is the highest dose given without side ef-fects. b. Give 4 puffs spaced 1 to 2 min apart; re-peat up to 12 puffs with continued im-provement. The best dose provides maxi-mum subjective relief and the highest peak expiratory flow rate (PEFR) without side effects. c. Give 12 puffs 1 min apart; repeat every 20 min until maximum relief of symptoms is achieved without side effects. d. Give 2 puffs 1 to 2 min apart; repeat up to 6 puffs with continued improvement. The best dose provides maximum subjective relief and the highest PEFR without side effects.

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