Podcast
Questions and Answers
What is the function of the GI tract?
What is the function of the GI tract?
- To chew and break down food into small pieces
- To absorb small molecules and water into the blood (correct)
- To release digestive enzymes for chemical digestion
- To secrete hormones for growth
Which of the following is NOT part of the digestive tract?
Which of the following is NOT part of the digestive tract?
- Liver (correct)
- Small intestine
- Stomach
- Esophagus
What is the main purpose of ingestion in the digestive process?
What is the main purpose of ingestion in the digestive process?
- To secrete saliva
- To move food through the digestive tract
- To introduce food into the oral cavity (correct)
- To mix food with digestive enzymes
What is the primary component of enamel in the human body?
What is the primary component of enamel in the human body?
Which process involves breaking down food into digestible pieces?
Which process involves breaking down food into digestible pieces?
Why is fluoride added to toothpaste and water supplies?
Why is fluoride added to toothpaste and water supplies?
What is the role of hormone release in the digestive system?
What is the role of hormone release in the digestive system?
Where are esophageal cardiac glands found?
Where are esophageal cardiac glands found?
Which term refers to enzymatic breakdown of large food molecules into smaller subunits?
Which term refers to enzymatic breakdown of large food molecules into smaller subunits?
Which type of muscle is predominant in the lower portion of the esophagus?
Which type of muscle is predominant in the lower portion of the esophagus?
What is the function of esophageal glands?
What is the function of esophageal glands?
What is the mucosal lining of the esophagus primarily composed of?
What is the mucosal lining of the esophagus primarily composed of?
What type of epithelium covers the red vermilion zone of each lip?
What type of epithelium covers the red vermilion zone of each lip?
Which structure manipulates ingested materials during mastication and swallowing?
Which structure manipulates ingested materials during mastication and swallowing?
What is the primary function of filiform papillae on the tongue?
What is the primary function of filiform papillae on the tongue?
Which type of lingual papillae are interspersed among filiform papillae and are mushroom-shaped?
Which type of lingual papillae are interspersed among filiform papillae and are mushroom-shaped?
Where are the foliate papillae located on the tongue?
Where are the foliate papillae located on the tongue?
Which part of the tongue has hundreds of small protruding papillae and mass lingual tonsils?
Which part of the tongue has hundreds of small protruding papillae and mass lingual tonsils?
What is the role of Paneth cells in the intestine?
What is the role of Paneth cells in the intestine?
Where are chylomicrons produced in the intestinal cells?
Where are chylomicrons produced in the intestinal cells?
Which cells in the intestine have chemoreceptors to sample nutrient levels?
Which cells in the intestine have chemoreceptors to sample nutrient levels?
What is the function of M cells in the intestine?
What is the function of M cells in the intestine?
Which structure is responsible for uptake of chylomicrons by lacteal?
Which structure is responsible for uptake of chylomicrons by lacteal?
What is the primary function of lipids in enterocytes?
What is the primary function of lipids in enterocytes?
What is the main function of the appendix?
What is the main function of the appendix?
What differentiates the muscularis of the colon from that of the small intestine?
What differentiates the muscularis of the colon from that of the small intestine?
What type of lining replaces the simple columnar lining at the recto-anal junction?
What type of lining replaces the simple columnar lining at the recto-anal junction?
What structures form folds called anal columns in the anal canal?
What structures form folds called anal columns in the anal canal?
What muscle forms the internal anal sphincter near the anus?
What muscle forms the internal anal sphincter near the anus?
What does defecation involve in terms of muscle action?
What does defecation involve in terms of muscle action?