The main reason for anemia and reduction of RBC volume in patients undergoing subtotal gastrectomy is ()
A. Decreased gastric acid
B. Pepsin reduction
C. Reduction of intrinsic factors
D. HCO3- reduction
E. Decrease of gastric mucus
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In acute pancreatitis, the pancreatic tubules and acini may rupture due to the increase of pressure in the pancreatic duct, resulting in the self digestion of pancreatic tissue. The main enzymes involved are ()
Amylase of pancreas
B. Trypsin
C. Antitrypsin
D. Pancreatic lipase
Enterokinase
The main physiological functions of bile are ()
A. Promote starch hydrolysis
B. Activating trypsinogen
C. Kill bacteria
D. Neutralize gastric juice
E. Promote the digestion and absorption of fat
In the body, the nutrients mainly used for energy supply are ()
A. Sugar and fat
B. Sugar and protein
C. Fat and protein
D. Fat and nucleic acid
E. Sugar, fat, protein
Which of the following substances has the most significant special dynamic effect ()
A. Sugars
B. Fat
C. Protein
D. Vitamins
E. Inorganic salts