ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
The small intestine of a person contains a lower concentration of glucose than is present in the blood. The cells of the villi absorb glucose. By which process is the glucose absorbed?
Correct Answer: A
Rationale: Glucose absorption in the small intestine occurs through active transport, particularly when the concentration of glucose is higher in the blood than in the intestine. This requires energy to move glucose against its concentration gradient.
Question 2 of 5
In which regions of the alimentary canal does amylase act?
Correct Answer: A
Rationale: Amylase acts in the mouth cavity and is also secreted by the pancreas into the duodenum.
Question 3 of 5
Which organ in the list is the largest gland in the human body?
Correct Answer: B
Rationale: The liver is the largest gland in the human body, weighing about 1.5 kg in adults, and performs numerous functions including bile production and detoxification.
Question 4 of 5
Which of the following is a function of bile?
Correct Answer: B
Rationale: Bile, produced by the liver, emulsifies fats, breaking them into smaller droplets to increase surface area for digestion by lipases.
Question 5 of 5
Which process matches the definition: Vomiting - the result of forceful contractions of the diaphragm and abdominal muscles?
Correct Answer: A
Rationale: Emesis is the medical term for vomiting, involving forceful muscle contractions.