ATI RN
Digestive System Mcq Questions Questions
Question 1 of 5
In which order do these events occur in human nutrition?
Correct Answer: C
Rationale: Food is first ingested, then digested, absorbed into the bloodstream, and finally assimilated into cells.
Question 2 of 5
The primary site for absorption of water by the digestive system is the:
Correct Answer: B
Rationale: The colon (large intestine) is the primary site for water absorption, consolidating waste into feces.
Question 3 of 5
Which process matches the definition: The uptake of substances by the GI tract?
Correct Answer: A
Rationale: Absorption is the process by which nutrients are taken up from the GI tract into the bloodstream.
Question 4 of 5
Ventral [lower] surface of hard palate is covered by:
Correct Answer: B
Rationale: The ventral surface of the hard palate is covered by stratified squamous epithelium that is keratinized (often parakeratinized) to withstand mechanical stress from food. Pseudostratified columnar epithelium is found in respiratory regions, not here.
Question 5 of 5
Filiform papilla of tongue:
Correct Answer: B
Rationale: Filiform papillae are covered by parakeratinized epithelium and are numerous on the anterior tongue, but they do not carry taste buds or have Von Ebner's glands.