ATI RN
Digestive System Questions Questions
Question 1 of 5
Where are the osmoreceptors located?
Correct Answer: B
Rationale: Osmoreceptors in the hypothalamus detect blood osmolarity changes.
Question 2 of 5
Match: Incisors
Correct Answer: A
Rationale: Incisors are the front teeth primarily used for cutting or biting food.
Question 3 of 5
The contraction and expansion of the walls of food pipe is called movement.
Correct Answer: A
Rationale: Peristalsis is a type of wave-like movement occurring in the alimentary canal which involves contraction and relaxation of the muscles. It begins in the esophagus and helps to move the food along the alimentary canal for the process of digestion.
Question 4 of 5
Which is the longest organ of digestive system in human body?
Correct Answer: B
Rationale: The small intestine is the longest part of the digestive system, measuring about 7 meters (22 feet). Its main functions are to complete the digestion of food and to absorb nutrients.
Question 5 of 5
Which digestive processes take place in the mouth (buccal) cavity?
Correct Answer: D
Rationale: In the mouth, food undergoes mechanical digestion via chewing, chemical digestion through salivary amylase, and dissolving of nutrients.