Which of the following short-acting catecholamines is used for their strong al-pha-1-vasoconstricting effects to reduce swelling in the nose and larynx and to control bleeding during bronchoscopic biopsy?
a. Levophed
b. Dopamine
c. Dobutamine
d. Racemic epinephrine
ANS: D
Because of their strong alpha-1 activity and vasoconstricting effect, epinephrine and the synthet-ic racemic epinephrine are used to reduce swelling in the nose (nasal decongestant) and larynx (croup, epiglottitis) and to control bleeding during bronchoscopic biopsy.
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