This chapter is currently out of syllabus
1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following statements is true regarding digestion and absorption of food in humans?
A
Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+.
B
Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
C
About 60% of starch is hydrolysed by salivary amylase in our mouth.
D
Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following pairs of food components in humans reaches the stomach totally undigested?
A
Starch and fat
B
Fat and cellulose
C
Starch and cellulose
D
Protein and starch.
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?
A
Small intestine : Proteins $$\buildrel {Pep\sin } \over \longrightarrow $$ amino acids
B
Stomach : Fats $$\buildrel {Lipase} \over \longrightarrow $$ micelles
C
Duodenum : Triglycerides $$\buildrel {Tryp\sin } \over \longrightarrow $$ monoglycerides
D
Small intestine : Starch $$\buildrel {\alpha - Amylase} \over \longrightarrow $$ disaccharide (maltose)
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
A
In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
B
Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin.
C
Gastric juice will be deficient in chymosin.
D
Gastric juice will be deficient in pepsinogen.
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