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Digestion fats, proteins and carbohydrates

Module by: E. Pennington. E-mail the authorEdited By: E. Pennington

Summary: These are exercise test questions to help build your knowledge of digestion and absorption lectures. This will help expand your knowledge on the topics to maximize learning at a deeper level, build confidence and help you succeed in the course.

Table 1
1. Which of the following byproducts of bacterial digestion can be used for energy by hepatic and intestinal cells?
A. Methane gas
B. Hydrogen gas
C. Butyric acid
D. Vitamin K
E. Vitamin B complex
Table 2
2. Which of the following facilitates the hydrolysis of lipids by pancreatic enzymes in the intestines?
A. Secretin
B. Bacteria
C. Bile salts
D. Bicarbonate
E. Hydrochloric acid
Table 3
3. Which of the following enzymes digests triglycerides into two fatty acids and 2-monoacylglycerol in the mouth, stomach and intestines?
A. Colipase
B. Lipase
C. Alpha-amylase
D. Pepsin
E. Chymotrypsin
Table 4
4. Which of the following can safely transport long chain fatty acids in circulation?
A. Albumin
B. Chylomicrons
C. Bile salts
D. Bicarbonate
E. Micelles
Table 5
5. Which of the following nutrient pairs can passively diffuse out of the intestinal cells and is transported bound to plasma proteins in circulation?
A. Matured chylomicrons and dipeptides
B. Polar amino acids and fructose
C. Galactose and small tripeptides
D. Short fatty acids and nonpolar amino acids
E. Fructose and nascent chylomicrons
Table 6
6. A 35 year old patient has consumed aspirin on a daily basis for his usual headaches as a result of his stressful job. An endoscopy (a flexible probe with a camera on the end) was performed to check the stomach lining. Results showed inflammation and mucous erosion. What enzyme zymogen can be helpful in the diagnosis of suspected gastritis?
A. Trypsinogen
B. Proelastase
C. Procarboxypeptidase
D. Chymotrypsinogen
E. Pepsinogen
Table 7
7. Which of the following pancreatic enzymes is activated by trypsin to help digest phospholipids in the intestines?
A. Chymotrypsinogen
B. Proelastase
C. Procollagenase
D. Prophospholipase A2
E. Procarboxypeptidase
Table 8
8. Which of the following can allow fructose in and out of the intestinal cells?
A. Sodium-dependent transporters (SGLT1)
B. Hydrogen-dependent transporter
C. Glucose transporter 4 (GLUT4)
D. Glucose transporter 5 (GLUT5)
E. Passive diffusion

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