Which causes antral gastrin release: (A) Antral distension, (B) Acid, (C) Secretin, (D) Calcitonin
Answer is A. Gastrin release stimulated by
-        Distension of stomach
-        Peptides and amino acids in stomach and duodenum
-        Vagal neurotransmitter GRP
-        Epinephrine
 Gastrin release inhibited by
-        Acid in duodenum
-        Secretin, GIP, VIP, CCK, somatostatin, glucagon, calcitonin