Ai Questions For The Digestive System Flashcards
What is the process by which the body breaks down food into smaller components for absorption?
Digestion
True or False: Digestion begins in the mouth with the mechanical breakdown of food by chewing.
True
Which enzyme in saliva helps break down carbohydrates in the mouth?
Amylase
Where does the majority of nutrient absorption take place in the digestive system?
Small intestine
What is the main function of the stomach in digestion?
To break down food using acid and enzymes
What is the role of bile in digestion?
To emulsify fats for better digestion
What is the final product of carbohydrate digestion?
Glucose
What is the main function of the large intestine in digestion?
To absorb water and electrolytes from undigested food
What type of muscle contractions push food through the digestive system?
Peristalsis
What is the name of the enzyme that breaks down proteins in the stomach?
Pepsin
Which organ produces bile for digestion?
Liver
What is the pH level of gastric acid in the stomach?
Around 2
What is the name of the valve that separates the esophagus from the stomach?
Lower esophageal sphincter (LES)
True or False: The pancreas secretes digestive enzymes and bicarbonate into the small intestine.
True
Which hormone stimulates the release of bile from the gallbladder?
Cholecystokinin (CCK)
What is the primary function of the gallbladder in digestion?
To store and concentrate bile
What is the name of the structure that connects the throat to the stomach and aids in swallowing?
Esophagus
What is the term for the wave-like muscle contractions that move food through the digestive system?
Peristalsis
Which organ absorbs most of the water from undigested food?
Large intestine
What is the term for the semi-liquid mixture of food and digestive fluids in the stomach?
Chyme
What is the name of the enzyme that breaks down fats in the small intestine?
Lipase
What is the function of the villi in the small intestine?
To increase surface area for nutrient absorption
What is the term for the involuntary reflex that prevents food from entering the trachea?
Swallowing
What is the main function of the small intestine in digestion?
To absorb nutrients from digested food
