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dleary chapter 4 & 5

aerosols/ bronchodilators

QuestionAnswer
medicated aerosols advantages smaller required doses quick drug responses fewer, less severe side effects painless convenient
disadvantages of medicated aerosols difficult to deliver consistent precise dose requires patient compliance and education equipment maintenance
ADVANTAGES OF DPI relatively small and easy to use contains no harmful propellents easy to tell how much drug is left eliminates timing and technique problems with MDIs can be used in cold environments ( ski slopes) where propellants will not work
DISADVANTAGES OF DPI few drugs available in powder form some patients may react to the carrier substance inspiratory flow of at least 50-60 liters/min is required may not be appropriate for patients with altered mental status or neuromuscular weakness
alhpa 1 locations-arteries and veins action- vasoconstriction
beta 1 location - heart action- increases in ratevand force of contraction
beta 2 locations-lungs, skeletal muscle, and uterus action-smooth muscle relaxation
Created by: dleary
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