The Functions Of The Liver Discussion

The Functions Of The Liver Discussion
Order 58019201
The Functions Of The Liver Discussion
1. Which of the following is a function of the liver?
A. Recycling of non-viable red blood cells
B. Conversion of pyruvic acid to lactic acid
C. Synthesis of plasma proteins
D. Production of renin
2. What is the term applied to the production of glucose from non-carbohydrate
molecules?
A. deamination
B. transamination
C. glycogenolysis
D. gluconeogenesis
3. Which of the following terms is used to describe the changing of large food
molecules into smaller molecules?
A. mechanical digestion
B. deglutition
C. segmentation
D. hydrolysis
The Functions Of The Liver Discussion
4. What is the purpose of “intrinsic factor” in gastric juice?
A. to activate pepsinogen
B. to assist with the absorption of vitamin B12
C. to protect the stomach lining against hydrochloric acid
D. it stimulates the release of gastrin
 
5. Which of the following does NOT contribute to increasing the surface area of
the small intestine?
A. the brush border
B. plicae circulars
C. intestinal crypts
D. villi
6. What are the end-products of carbohydrate digestion?
A. monosaccharides
B. disaccharides
C. glucose
D. trisaccharides
7. Name the major cell type in a liver lobule.
A. Kupffer cells
B. hepatocytes
C. sinusoids
D. epithelial cells
8. To what does the term “gluconeogenesis” refer?
A. the conversion of glycogen to glucose.
B. the removal of an amine group from an amino acid.
C. the production of glucose from non-carbohydrate molecules.
D. the conversion of disaccharides to monosaccharides.
9. Which of the following is TRUE of bile?
A. it converts inactive pancreatic enzymes to active form.
B. needed in the small intestine for the digestion of fats.
C. synthesised by the gall bladder.
D. needed in the small intestine for the emulsifi cation of fats.
The Functions Of The Liver Discussion
10. Why are the blood capillaries in the liver lobules so permeable?
A. to allow the products of digestion to leave the blood for processing in the
liver.
B. to allow fatty acids to leave the liver cells to enter the blood.
C. to allow plasma proteins that are synthesised in the liver to enter the blood.
D. to allow red blood cells at the end of their life to leave the blood to be
recycled in the liver.
11. Which layer of the gastro-intestinal tract is in contact with the contents of the
gut?
A. Muscularis externa
B. Mucosa
C. Serosa
D. Sub-mucosa
Answer is B: It secretes mucus and absorbs the products of digestion.
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