Fructose is absorbed into the blood through mucosa cells of intestine by the process called
1. active transport
2. facilitated transport
3. simple diffusion
4. co-transport mechanism
Anxiety and eating spicy food together in an otherwise normal human being, may lead to
1. indigestion
2. jaundice
3. diarrhoea
4. vomiting
Which of the following enzymes carries out the initial step in the digestion of milk in humans?
1. Rennin
2. Lipase
3. Trypsin
4. Pepsin
If for some reason, our goblet cells are non-functional, this will adversely affect the
1. production of somatostatin
2. secretion of sebum from the sebaceous glands
3. maturation of sperms
4. smooth movement of food down the intestine
Which one of the following pairs of food components in humans reaches the stomach totally undigested?
1. Protein and starch
2. Starch and fat
3. Fat and cellulose
4. Starch and cellulose
When breast feeding is replaced by less nutritive food low in proteins and calories, the infants below the age of one year are likely to suffer from:
1. marasmus | 2. rickets |
3. kwashiorkor | 4. pellagra |
A young infant may be feeding entirely on mother's milk, which is white in colour but the stools, which the infant passes out are quite yellowish. What is this yellow colour due to?
1. Intestinal juice
2. Bile pigments passed through bile juice
3. Undigested milk protein casein
4. Pancreatic juice poured into duodenum
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
1. Gastric juice will be deficient in chymosin
2. Gastric juice will be deficient in pepsinogen
3. In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin
4. Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
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?
1. Duodenum :Triglycerides→Trypsin→Monoglycerides
2. Small intestine :Starch→α-amylase→Disaccharide (maltose)
3. Small intestine :Proteins→Pepsin→Amino Acids
4. Stomach :Fats→ Lipase→Micelles
Which one of the following is a fat-soluble vitamin and its related deficiency disease?
1. Ascorbic acid - Scurvy
2. Retinol - Xerophthalmia
3. Cobalamine - Beri-Beri
4. Calciferol - Pellagra