ATI RN
Digestive System Exam Questions Questions
Question 1 of 5
The cells of the epithelial lining in the vertebrate stomach are not damaged by HCl because of
Correct Answer: A
Rationale: Mucus secreted by gastric cells forms a protective barrier against HCl, preventing damage to the stomach lining.
Question 2 of 5
Islets of Langerhans and are found in
Correct Answer: B
Rationale: Islets of Langerhans are endocrine (ductless) glands in the pancreas that secrete hormones like insulin.
Question 3 of 5
In gut, serosa is outer most layer and made up of
Correct Answer: C
Rationale: The serosa, the outermost layer of the gut, is made of mesothelium and connective tissue.
Question 4 of 5
Digestion of starch starts from the mouth, whereas ...A... is the site of digestion mainly for ...B... Choose the correct combination of options to complete the given statement.
Correct Answer: C
Rationale: The small intestine is the primary site for protein digestion, while starch digestion begins in the mouth.
Question 5 of 5
By which process, most of glucose and amino acids are absorbed in the small intestine?
Correct Answer: A
Rationale: Glucose and amino acids are primarily absorbed via active transport in the small intestine.