ATI RN
Digestive System Exam Questions Questions
Question 1 of 5
All about hepatocyte is true EXCEPT:
Correct Answer: D
Rationale: Hepatocytes have microvilli facing the space of Disse, but not a brush border, which is characteristic of intestinal enterocytes.
Question 2 of 5
All of the following are components of saliva EXCEPT?
Correct Answer: B
Rationale: Pepsin is not a component of saliva; it is found in the stomach where it helps digest proteins. Saliva contains mucin, amylase, and IgA antibodies.
Question 3 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 4 of 5
What is frenulum?
Correct Answer: A
Rationale: The frenulum is a fold of tissue that anchors the tongue to the floor of the mouth.
Question 5 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.