ATI LPN
Questions About Gastrointestinal System Questions
Question 1 of 5
Which of the following cells is most directly responsible for protecting the stomach mucosa from attack by acid and proteolytic enzymes?
Correct Answer: D
Rationale: Surface mucous cells secrete a protective mucus layer.
Question 2 of 5
Plasma cells differ from other lymphocytes by having:
Correct Answer: D
Rationale: All features distinguish antibody-producing plasma cells.
Question 3 of 5
The vessel which brings oxygenated, arterial blood from the heart into the liver, with branches in each portal area, is the:
Correct Answer: A
Rationale: The hepatic artery supplies oxygen-rich blood.
Question 4 of 5
The basal surface of hepatocytes is bathed by blood plasma as it flows freely through:
Correct Answer: C
Rationale: Plasma filters into the space of Disse.
Question 5 of 5
In normal, H&E stained material, the cytoplasm of hepatocytes appears:
Correct Answer: B
Rationale: Cytoplasm is eosinophilic due to mitochondria and organelles.