ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
Which process takes place in region A?
Correct Answer: B
Rationale: Region A (glomerulus) filters blood plasma, making B the correct answer.
Question 2 of 5
What is the most common cause of peptic ulcer disease?
Correct Answer: C
Rationale: Helicobacter pylori is the most common cause of peptic ulcers, damaging the mucosal barrier, making C correct.
Question 3 of 5
The term mucosa (mucous membrane) means:
Correct Answer: D
Rationale: Mucosa refers to the moist lining of hollow organs open to the exterior, such as the GI tract, respiratory tract, etc., encompassing all these features broadly.
Question 4 of 5
The submucosa differs from lamina propria by having:
Correct Answer: C
Rationale: The submucosa has larger blood vessels compared to the lymphocyte-rich lamina propria.
Question 5 of 5
The mesentery and lining of the peritoneal cavity, like the outermost layer of the digestive tract, consist of:
Correct Answer: B
Rationale: The mesentery and peritoneal lining are serosa, not mucosa, secreting serous fluid.