Question

Gastrin hormone stimulates _____________ to secrete HCl.

• A. S cells
• B. parietal cells
• C. chief cells
• D. juxtaglomerular cells

Answer 1

The correct option is B parietal cells

Gastrin hormone is secreted by endocrine cells of gastrointestinal tract. Gastrin stimulates the parietal cells present in the stomach to secrete HCl.
S cells of the duodenum are triggered by the influx of the gastric acid into the intestine. They secerete the hormone secretin which stimulates the secretion of water and bicarbonate ions to bring back the intestinal pH to basic.
Chief cells of the stomach secrete pepsin as an inactive zymogen called pepsinogen.
Juxtaglomerular cells are present in the kidney and secrete hormones erythropoietin and renin.