Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Ask your questions and receive precise answers from experienced professionals across different disciplines. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

A 38-year-old woman was diagnosed with pheochromocytoma. one week before the surgery to remove the tumor, phentolamine was prescribed. phentolamine is a blocker of?
a. α receptor
b. β receptor
c. da receptor
d. 5-ht receptor