30 Questions
What is the primary function of the gallbladder?
Storage of excess bile produced by the liver
What is the typical daily production of bile by the liver?
A quart
What is the pH range of bile?
7.6 to 8.6
Which of the following is NOT a component of bile?
Proteins
What is the primary bile pigment produced by the breakdown of hemoglobin?
Bilirubin
What is the primary regulator of bile secretion?
CCK and secretin
What is the location of the gallbladder in the body?
Nestled in the center of the liver
What is the approximate weight of the liver in the human body?
3 pounds
What is the composition of the liver?
Hexagonal lobes composed of sinusoids
What is the trigger for secretin release in the digestive system?
Acidic chyme
What is the primary function of CCK in the digestive process?
To stimulate the release of bile from the gallbladder and liver
What is the primary function of the liver in carbohydrate metabolism?
To convert glucose into glycogen
What is the byproduct of deamination in the liver?
Ammonia
What is the role of the liver in protein metabolism?
To synthesize plasma proteins
What is the function of thrombopoietin, a hormone produced by the liver?
To stimulate the production of platelets
What is the primary function of the liver in lipid metabolism?
To synthesize cholesterol
What is the role of the liver in detoxification?
To remove toxins from the blood
What is the function of calcitriol, a hormone produced by the liver?
To stimulate the absorption of calcium
What is the primary function of pancreatic juice in the digestive process?
To provide proteolytic enzymes
What is the primary function of the liver in storing nutrients?
To store all of the above
Where is glucagon secreted from?
Islets of Langerhans
What happens to gastric emptying when chyme enters the duodenum?
It slows down
What is the role of the liver in removing waste products from the blood?
To perform all of the above functions
What is the primary component of pancreatic juices that becomes activated by trypsin?
Trypsinogen
What is the role of peptide bonds in protein digestion?
They link proteins together
What is the primary function of the duodenum in the digestive process?
To process chyme received from the stomach
What is secreted in an inactive form and becomes activated by trypsin in the small intestine?
Trypsinogen
What is the relationship between the size of the duodenum and the stomach?
The duodenum is smaller than the stomach
What is the primary function of trypsin in the digestive process?
To activate trypsinogen
What is the correct sequence of events in the digestive process?
Chyme enters the duodenum, then gastric emptying slows down
Learn about the liver, a vital organ in the human body, its location, and its functions. Discover the role of the gallbladder in storing bile and its relationship with the liver.
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