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Disorders of Absorption- Part 3
See all quizzes of Peptic Ulcer Disease at here:
Disorders of Absorption- Part 1| Disorders of Absorption- Part 2| Disorders of Absorption- Part 3 | Disorders of Absorption- Part 4| Disorders of Absorption- Part 5| Disorders of Absorption- Part 6
1.Coconut oil contains mainly ?
A. Long-chain triglycerides (LCTs)
B. Medium-chain triglycerides (MCT)
C. Short-chain fatty acids (SCFA)
D. All of the above
2.Which of the following statements about Medium-chain
triglycerides (MCTs) is false ?
A. Do not require pancreatic lipolysis
B. Micelle formation is not necessary for absorption
C. Following absorption, not reesterified
D. Route of exit is via lymphatics
3. The SCFA present in stool is ?
A. Acetate
B. Propionate
C. Butyrate
D. All of the above
4. The primary nutrient for colonic epithelial cells is ?
A. Acetate
B. Propionate
C. Butyrate
D. All of the above
5. Which of the following statements about SCFAs is false ?
A. SCFAs are dietary lipids
B. Synthesized by colonic bacterial enzymes from
nonabsorbed carbohydrate
C. SCFAs in stool are acetate, propionate, & butyrate
D. SCFAs are rapidly absorbed & stimulate colonic Na-Cl & fluid absorption
6. Carbohydrates in the diet are present in the form of ?
A. Starch
B. Disaccharides (sucrose and lactose)
C. Glucose
D. All of the above
7. Which of the following statements about carbohydrates is false ?
A. Absorbed only in the small intestine
B. Absorbed only in the form of monosaccharides
C. Absorption occurs by a Na-dependent process
D. None of the above
8. Transport protein that mediates monosaccharide absorption is ?
A. AGLT
B. MGLT
C. SGLT
D. TGLT
9. Which of the following about lactose malabsorption is false ?
A. Glucose and galactose are constituents of lactose
B. Primary lactase deficiency patients have severe symptoms
C. Secondary lactase deficiency is seen in celiac sprue
D. Symptoms may be similar to IBS
10. Congenital absence of SGLT leads to ?
A. Glucose, galactose malabsorption
B. Lactose malabsorption
C. Maltose malabsorption
D. Sucrose malabsorption
11. Which of the following carbohydrate is absorbed by brush
border transport protein – GLUT 5 ?
A. Glucose
B. Galactose
C. Fructose
D. Sorbitol
12.Actively transported monosaccharides are all except ?
A. Glucose
B. Galactose
C. Fructose
D. All of the above
13. Sugar used in diabetic candy is ?
A. Sorbitol
B. Galactose
C. Fructose
D. None of the above
14. What value of stool pH is consistent with carbohydrate
malabsorption ?
A. < 5.6
B. < 6.6
C. < 7.6
D. < 8.6
15. Protein is present in food almost exclusively as ?
A. Polypeptides
B. Dipeptides
C. Tripeptides
D. Amino acids
16. Brush border enzyme that converts the proenzyme trypsinogen
to trypsin is ?
A. Enterokinase
B. Colipase
C. Pepsinogen
D. Amylase
17. Alterations in protein or amino acid digestion and absorption
is seen in which of the following ?
A. Enterokinase deficiency
B. Hartnup syndrome
C. Cystinuria
D. All of the above
18. C. difficile accounts for what percentage of all antibiotic associated diarrhea ?
A. ~ 10 – 15 %
B. ~ 25 – 40 %
C. ~ 40 – 75 %
D. ~ 75 – 95 %
19. The proximal small intestine is the site for the absorption of all
of the following except ?
A. Calcium
B. Iron
C. Folic acid
D. Bile acids
20. Ileum is the absorption site of all of the following except ?
A. Cobalamin
B. Bile acids
C. Calcium
D. None of the above
21. Glucose, amino acids and lipids are absorbed in ?
A. Duodenum
B. Jejunum
C. Ileum
D. Throughout the small intestine
22.Schilling test is performed to determine the cause for ?
A. Cobalamin malabsorption
B. Folic acid malabsorption
C. Iron malabsorption
D. All of the above
