ATI LPN
NCLEX Questions Gastrointestinal System Questions
Question 1 of 5
Every mucosa consists of:
Correct Answer: D
Rationale: Mucosa includes an epithelial layer (simple or stratified, with or without glands) and an underlying lamina propria (loose connective tissue); smooth muscle (muscularis mucosae) is optional and not always present.
Question 2 of 5
Tonsils consist of:
Correct Answer: D
Rationale: Tonsils are lymphatic tissue with crypts lined by epithelium, aiding in immune surveillance.
Question 3 of 5
Taste buds occur most commonly:
Correct Answer: B
Rationale: Taste buds are primarily on fungiform and circumvallate papillae, not filiform.
Question 4 of 5
Taenia coli are:
Correct Answer: A
Rationale: Taenia coli are longitudinal muscle bands in the colon.
Question 5 of 5
Which of the following regions of the GI tract is not characterized by simple columnar epithelium on the mucosal surface?
Correct Answer: D
Rationale: The anal canal has stratified squamous epithelium, unlike the others with simple columnar.