Q. No.Lipases can be activated by:
1. HCl
2. Secretions of Brunner’s glands
3. Bile
4. Cholecystokinin
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The intestinal enzymes require an alkaline pH to act. This is accomplished by the secretions of all the following except:
| 1. Goblet cells | 2. Brunner’s glands |
| 3. Parietal cells | 4. Pancreas |
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The proteolytic enzymes of pancreatic juice act on all the following except:
1. Proteins
2. Proteoses
3. Peptones
4. Aminopeptides
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Hormonal control of the secretion of digestive juices is carried out by:
1. local hormones produced by the gastric and intestinal mucosa
2. hypothalamic hormones
3. hormones of the anterior pituitary gland
4. hormones of adrenal cortex
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The drug acetyl salicylic acid is quickly absorbed in:
1. Duodenum
2. Stomach
3. Jejunum
4. Ileum
All the following statements are correct regarding Hepatitis A except:
1. It is an inflammation of liver caused by an RNA virus
2. It is usually spread by eating food or drinking water contaminated with infected feces.
3. It can cause jaundice in humans.
4. A vaccine has not yet been made to prevent its infection.
The most common cause of diarrhea in young children is:
1. Escherichia coli
2. Rotavirus
3. Entamoeba histolytica
4. Salmonella typhi
Which cells of ‘Crypts of Lieberkuhn' secrete antibacterial lysozyme?
1. Argentaffin cells
2. Paneth cells
3. Zymogen cells
4. Kupffer cells
A baby boy aged two years is admitted to play-school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
1. Incisors
2. Canines
3. Premolars
4. Molars
Which of the following options best represents enzyme composition of pancreatic juice?
1. Amylase, peptidase, trypsinogen, rennin
2. Amylase, pepsin, trypsinogen, maltase
3. Peptidase, amylase, pepsin, rennin
4. Lipase, amylase, trypsinogen, procarboxypeptidase
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