Which of the Following Short-Acting Catecholamines Are Used for Their $\alpha$

Multiple Choice

Which of the following short-acting catecholamines are used for their strong $\alpha$ ₁-vasoconstricting effects to reduce swelling in the nose and larynx and to control bleeding during bronchoscopic biopsy?

A) isoproterenol
B) isoetharine
C) dobutamine
D) racemic epinephrine