ATI RN
Digestive System Questions Questions
Question 1 of 5
Which of the following secretions is NOT produced by gastric glands?
Correct Answer: D
Rationale: Sebum is an oily substance produced by sebaceous glands in the skin, not by gastric glands, which secrete HCl, intrinsic factor, and pepsin.
Question 2 of 5
Which process matches the definition: Circular muscles behind a bolus of food contract and longitudinal muscles relax, thus pushing a bolus of food onwards?
Correct Answer: B
Rationale: Peristalsis involves coordinated muscle contractions to push food forward.
Question 3 of 5
About soft palate, all true Except:
Correct Answer: B
Rationale: The superior surface of the soft palate is covered by pseudostratified ciliated columnar epithelium (respiratory epithelium), not stratified columnar, due to its proximity to the nasopharynx.
Question 4 of 5
About filiform papilla all true except:
Correct Answer: C
Rationale: Filiform papillae are the most numerous type on the tongue, not less numerous than fungiform papillae, and they lack taste buds.
Question 5 of 5
In congenital megacolon or Chagas' disease the following is affected:
Correct Answer: C
Rationale: Both conditions affect the enteric nerve plexuses (e.g., Auerbach's and Meissner's), leading to motility issues like dilatation.