ATI RN
Questions About The Digestive System Questions
Question 1 of 5
Which process is stimulated by adrenaline in the cells of the liver?
Correct Answer: A
Rationale: Adrenaline stimulates glycogenolysis in the liver, breaking down glycogen into glucose to increase blood glucose levels.
Question 2 of 5
Which of the following digestive enzymes is NOT found in intestinal juice?
Correct Answer: B
Rationale: Trypsin is produced by the pancreas and secreted into the duodenum, not found in intestinal juice, which contains enzymes like erepsin and maltase.
Question 3 of 5
Where is water mainly absorbed in the alimentary canal?
Correct Answer: C
Rationale: The large intestine absorbs most of the remaining water from digested material, forming semi-solid feces.
Question 4 of 5
What happens during the oral phase of digestion?
Correct Answer: A
Rationale: In the oral phase, food is mechanically broken down by chewing and mixed with saliva to begin starch digestion.
Question 5 of 5
During swallowing food is prevented from being pushed up into the nasal cavity by:
Correct Answer: C
Rationale: The soft palate elevates during swallowing to close off the nasopharynx, preventing food from entering the nasal cavity. The epiglottis prevents entry into the trachea.