Q. The epithelial cells lining the stomach of vertebrates is protected from damage by HCl because
A) Hydrochloric acid is too dilute
B) The epithelial cells are resistant to the action of HCl
C) HCl is neutralized by alkaline gastric juice
D) The epithelial cells are covered with a mucous secretion
Explanation
Mucous neck or goblet cells secrete mucus. It protects stomach wall against HCl action and protein digesting enzymes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.