ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
Number of teeth which are monophyodont in man is-
Correct Answer: D
Rationale: Humans have 12 monophyodont teeth (premolars and molars), which erupt only once, unlike diphyodont teeth (incisors, canines) that replace milk teeth.
Question 2 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 3 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 4 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.
Question 5 of 5
Process of absorption of nutrients is carried out by
Correct Answer: D
Rationale: Nutrient absorption involves passive, facilitated, and active transport mechanisms.