Multiple choice

Gastric acid output is influenced by all the following hormones except

  1. parathormone

  2. thyroxin

  3. both (1) and (2)

  4. neither (1) nor (2)

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gastric acid secretion is regulated by gastrin, histamine, and acetylcholine. Thyroxin can influence metabolic rates and indirectly affect secretion, but parathormone is not a primary regulator of gastric acid output.