ATI RN
Digestive System Practice Questions Questions
Question 1 of 5
An important function of the intestinal villi is to:
Correct Answer: A
Rationale: Intestinal villi are finger-like projections that vastly increase the surface area of the small intestine for nutrient absorption.
Question 2 of 5
What happens during the gastric phase of digestion?
Correct Answer: B
Rationale: The gastric phase involves the stomach churning food with gastric secretions (e.g., HCl, pepsin) to form chyme.
Question 3 of 5
About nasopharynx all true except:
Correct Answer: C
Rationale: The nasopharynx is lined by pseudostratified ciliated epithelium and contains the pharyngeal tonsil (adenoids), but the palatine tonsils are located in the oropharynx, not the nasopharynx.
Question 4 of 5
Concerning Circumvallate papilla the following is true EXCEPT:
Correct Answer: A
Rationale: Circumvallate papillae are the least numerous (about 8-12 in humans), not the most numerous, and they carry many taste buds with Von Ebner's glands.
Question 5 of 5
(Auerbach's) plexus found in:
Correct Answer: A
Rationale: Auerbach's plexus is located between the circular and longitudinal layers of the muscularis externa, controlling gut motility.