Alpha Cells Glucagon — FRCA Primary MCQ
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Correct answer: C — Alpha cells
Alpha cells secrete glucagon (raises blood glucose via glycogenolysis and gluconeogenesis). Beta cells secrete insulin (lowers blood glucose). Delta cells secrete somatostatin (inhibits both insulin and glucagon). PP cells secrete pancreatic polypeptide. Epsilon cells secrete ghrelin.
Reference: Power Kam 2018 Principles of Physiology for the Anaesthetist