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Question: The main reason for using alfa-receptor antagonists in the management of pheochromocytoma is:

Inhibition of the release of epinephrine from the adrenal medulla
Blockade of alfa2 receptors on vascular smooth muscle results in epinephrine stimulation of unblocked alfa2 receptors
Direct interaction with and inhibition of beta2 adrenoreceptors
Antagonism to the release of rennin

Answer: Blockade of alfa2 receptors on vascular smooth muscle results in epinephrine stimulation of unblocked alfa2 receptors

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Question: The main reason for using alfa-receptor antagonists in the management of pheochromocytoma is:

Inhibition of the release of epinephrine from the adrenal medulla
Blockade of alfa2 receptors on vascular smooth muscle results in epinephrine stimulation of unblocked alfa2 receptors
Direct interaction with and inhibition of beta2 adrenoreceptors
Antagonism to the release of rennin


Blockade of alfa2 receptors on vascular smooth muscle results in epinephrine stimulation of unblocked alfa2 receptors Source: CoolInterview.com

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