Intrinsic factor helps in the absorption of:
1. Amino acids
2. Sodium
3. Glucose
4. Vitamin B-12
Enterokinase:
1. | stimulates bicarbonate secretion by the pancreas |
2. | stimulates secretion of gastrin by the stomach |
3. | converts trypsinogen into trypsin |
4. | converts pepsinogen into pepsin |
The large intestine functions in:
1. Bicarbonate secretion and bacterial action
2. Acid secretion and bacterial action
3. Water reabsorption and mass movements
4. Mixing action and intestinal hormone production
In the gastrointestinal tract, the layer of dense, irregular connective tissue or loose connective tissue that supports the mucosa, as well as joins the mucosa to the bulk of underlying smooth muscle and also contains blood vessels and a plexus is:
1. mucosa layer | 2. submucosa layer |
3. muscularis layer | 4. serosa (adventitia layer) |
Which of the following is connected to the floor of the oral cavity by the frenulum?
1. oesophagus | 2. muscles of mastication |
3. lips | 4. tongue |
The oxyntic or Parietal cells of the gastric mucosa secrete:
1. prorennin
2. pepsinogen
3. HCl and intrinsic factor
4. gastric lipase
Identify the correct statement regarding Saliva:
1. Its secretion is increased by sympathetic nervous system.
2. It contains amylase, which digests 100 % starch.
3. It contains bactericidal lysozyme.
4. Its secretion is increased during sleep.
Arrange the following events in chronological sequence [first to last]:
1. protein-coated triacylglycerols enter lacteals
2. triacylglycerol coated with protein
3. fatty acids and glycerol packaged into micelles
4. bile salts emulsify fats
5. lipase digests fat
1. 1,2,4,5,3
2. 2,5,4,3,1
3. 3,5,4,1,2
4. 4,5,3,2,1
Series of ridges produced by folding of the wall of an organ such as seen in the stomach are called:
1. taenia coli
2. rugae
3. plicae circulares
4. crypts
Our teeth are
1. Acrodont and homodont
2. Homodont and polyphyodont
3. Thecodont, diphyodont and heterodont
4. Acrodont, homodont and polyphyodont