ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
Which of the following cells secrete pepsinogen?
Correct Answer: C
Rationale: Chief cells in the stomach are responsible for secreting pepsinogen, which is then activated to pepsin by the acidic environment created by HCl.
Question 2 of 5
What do you mean by the process of digestion?
Correct Answer: A
Rationale: Digestion is the breakdown of complex food substances into simpler forms for absorption.
Question 3 of 5
Small finger-like projection, which produce numerous microscopic projections are supplied with a network of
Correct Answer: A
Rationale: Villi contain blood capillaries and lacteals for absorbing nutrients like glucose and fats.
Question 4 of 5
Kupffer cells are found in :
Correct Answer: A
Rationale: Kupffer cells are macrophages found in the liver, involved in breaking down red blood cells.
Question 5 of 5
Optimum pH for salivary amylase
Correct Answer: C
Rationale: Salivary amylase (ptyalin) works optimally at a pH of around 6.8, close to neutral.