27 Questions
What is the primary function of the small intestine?
To absorb macro and micro nutrients
What is the role of the liver in the digestive system?
Both a and b
What is the primary function of the pancreas in the digestive system?
Both a and b
What is the role of the tongue in the digestive system?
All of the above
What is the purpose of saliva in the digestive system?
All of the above
What is the primary function of the large intestine in the digestive system?
All of the above
What is the main function of the internal anal sphincter and external anal sphincter?
To normally keep the anus closed
What is the purpose of the Valsalva maneuver?
To increase intra-abdominal pressure
What is the main function of the hepatic portal vein?
To deliver nutrients from the small intestine to the liver
What is the primary role of bile produced by the liver?
To emulsify lipids in the small intestine, similar to how dish soap works on fats in water
What are the two main functions of the pancreas?
To have both exocrine and endocrine functions
What is the main function of the gallbladder?
To store, concentrate, and propel bile into the duodenum
What is the primary function of the digestive system?
To break down food and absorb nutrients
Which of the following is NOT a part of the digestive system?
Kidneys
What is the function of the muscularis layer in the digestive tract?
To facilitate the movement of food through peristalsis
Which of the following is responsible for regulating digestive secretions?
Submucosal plexus
What is the role of the hepatic portal system?
To transport proteins and carbohydrates to the liver
Which of the following structures is involved in the initial mechanical breakdown of food?
Mouth
What is the function of the lower esophageal sphincter?
Controlling food entering the stomach
Which phase of deglutition involves moving food into the esophagus?
Pharyngeal phase
What is the main function of parietal cells in the stomach?
Producing hydrochloric acid
Which enzyme is essential for breaking down protein in the stomach?
Pepsin
What is the primary function of the small intestine?
Absorption of nutrients
Which hormone initiates peristalsis in the small intestine?
Motilin
What is the function of the cecum in the digestive system?
Continues absorption of water and salts
What is the main role of the rectum in the digestive process?
Preventing simultaneous passage of feces and gas
What is the main role of mucosal barrier in the stomach?
Protect against acidic environment
Test your knowledge on the functions of the digestive system, including the role of different organs in breaking down food, absorbing nutrients, and eliminating waste. Identify processes such as segmentation, absorption of macro and micro nutrients, and the movement of food through the small and large intestines.
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