Podcast
Questions and Answers
What is the primary function of the intrinsic factor secreted by the stomach?
What is the primary function of the intrinsic factor secreted by the stomach?
- To aid in the mechanical digestion of food
- To facilitate the absorption of vitamin B-12 in the intestines (correct)
- To neutralize stomach acid
- To break down dietary protein
Which of the following is NOT a function of the stomach?
Which of the following is NOT a function of the stomach?
- Autoclave (high acidity)
- Mechanical digestion
- Secretion of digestive enzymes (correct)
- Protein hydrolysis
Which region of the stomach contains the gastric pits and glands?
Which region of the stomach contains the gastric pits and glands?
- All regions of the stomach contain gastric pits and glands (correct)
- Corpus
- Antrum
- Fundus
What is the primary function of saliva secreted by the salivary glands?
What is the primary function of saliva secreted by the salivary glands?
Which of the following stimuli inhibits the salivary gland's secretion of saliva?
Which of the following stimuli inhibits the salivary gland's secretion of saliva?
How does the salivary nervous system stimulate salivary secretion?
How does the salivary nervous system stimulate salivary secretion?
What is the relationship between the concentrations of Na+ and Cl- in saliva compared to plasma?
What is the relationship between the concentrations of Na+ and Cl- in saliva compared to plasma?
What is the relationship between the concentration of K+ in saliva compared to plasma?
What is the relationship between the concentration of K+ in saliva compared to plasma?
How does the HCO3- concentration in saliva compare to plasma at low flow rates?
How does the HCO3- concentration in saliva compare to plasma at low flow rates?
How does the HCO3- concentration in saliva compare to plasma at high flow rates?
How does the HCO3- concentration in saliva compare to plasma at high flow rates?
Which enzyme in saliva can hydrolyze triglycerides without the help of bile salts?
Which enzyme in saliva can hydrolyze triglycerides without the help of bile salts?
What is the primary regulation of the salivary glands?
What is the primary regulation of the salivary glands?
What is the primary role of the sympathetic nervous system in relation to the GI system?
What is the primary role of the sympathetic nervous system in relation to the GI system?
Which component in saliva plays a crucial role in regulating the pH of saliva?
Which component in saliva plays a crucial role in regulating the pH of saliva?
What percentage of water is absorbed by the small intestine?
What percentage of water is absorbed by the small intestine?
What is one of the key functions of saliva in the oral cavity, besides digestion?
What is one of the key functions of saliva in the oral cavity, besides digestion?
How does the flow rate of saliva impact the concentration of potassium (K+)?
How does the flow rate of saliva impact the concentration of potassium (K+)?
What happens to the pH of saliva as the flow rate increases?
What happens to the pH of saliva as the flow rate increases?
