ATI RN
Questions About Digestive System Questions
Question 1 of 5
In human body, the digestion of protein begins in which of the following organs?
Correct Answer: D
Rationale: The digestion of protein begins in the stomach, where pepsin, activated by hydrochloric acid, starts breaking down proteins into smaller peptides.
Question 2 of 5
What are the advantages of chewing food at the start of digestion?
Correct Answer: D
Rationale: Chewing increases the surface area for enzyme action, lubricates food with saliva, and helps dissolve food particles.
Question 3 of 5
The muscular tube that extends from the mouth to the anus is called:
Correct Answer: D
Rationale: The alimentary canal, also known as the digestive tract, is the continuous muscular tube extending from the mouth to the anus, encompassing all digestive organs.
Question 4 of 5
The end product of digestion of starch which is absorbed into the bloodstream is:
Correct Answer: C
Rationale: Starch is broken down into glucose by enzymes like amylase and maltase, which is then absorbed into the bloodstream.
Question 5 of 5
Which process matches the definition: Thin, tough, outer layer of the alimentary tract, which enables it to move smoothly against other organs?
Correct Answer: D
Rationale: The serosa is the outermost layer of the GI tract, allowing smooth movement against adjacent organs.