Question:
• Natural catecholamines • Norepinephrine, Epinephrine, Dopamine • Higher affinity at BETA receptors than alpha receptors LOW DOSE: beta effect HIGH DOSE: alpha effect Epinephrine: B1 = B2 >> a1 Norepinephrine: B1 > a1 Dopamine: D1 > B1 >> a1 • Undergo EXTENSIVE FIRST PASS EFFECT • Route of administration: IV, inhalational, SC
Author: LEIGHTON DWIGHT OBILLOSAnswer:
NON- SELECTIVE DIRECT ACTING SYMPATHOMIMETICS
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LEIGHTON DWIGHT OBILLOS