16 Questions
What is the function of mucus in the digestive tract?
To lubricate the food and protect the lining of the digestive tract
What is the primary function of liver secretions in the digestive process?
To break large lipids into smaller droplets for digestion and absorption
Which type of digestion involves the mastication and mixing of food?
Mechanical digestion
What is the function of enteric sensory neurons in the digestive system?
Detect changes in the chemical composition of digestive tract contents or mechanical changes
Which neurotransmitter stimulates digestive tract motility and secretions?
Acetylcholine
What do hormones such as gastrin and secretin help regulate in the digestive tract?
Digestive enzymes secretion
What is the main function of histamine in the digestive system?
Control local reflexes within the ENS
Which major neurotransmitter inhibits digestive tract motility and secretions?
Norepinephrine
What is Hirschprung disease or megacolon caused by?
Absence of enteric neurons in the distal large intestine
Which process primarily occurs in the large intestine?
Elimination
What is the term used to refer to the movement of food from one end of the digestive tract to the other?
Propulsion
Which term is used to describe the intake of solid or liquid food into the stomach?
Ingestion
What is the technical term for the digestive tract extending from the mouth to the anus?
Alimentary canal
Which organ is primarily responsible for secreting fluids into the digestive tract?
Salivary glands
What is the collective term for the oral cavity, pharynx, esophagus, stomach, small intestine, and large intestine?
Gastrointestinal tract
How long does it take for food to travel the entire length of the digestive tract?
24-36 hours
Learn about the digestive system, which includes the digestive tract and accessory organs. Understand the functions of the gastrointestinal (GI) tract and the associated accessory organs.
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