Peptic ulcers are sores in the lining of the stomach that are caused by a bacterial infection. these bacteria increase the acid in the stomach and eat away at the stomach lining, which causes sores. when this occurs, which type of tissue does the acid remove?

a. connective

b. epithelial

c. muscle

d. nervous

Ans. Option b). epithelial.

The lining of gastrointestinal tract, including stomach is made up of epithelial tissues. The tissue are composed of mucous columnar cells that produce mucus to protect stomach from enzymes and acids.

When acidity of stomach is increased due to bacterial infection, the acid present in gastric juice causes damage to the outer covering or epithelial layer of stomach.

Thus, the correct answer is option b). 'epithelial.'

the answer to this question is a

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.