Which of the following is the structural and functional unit of liver?
1. Hepatic cells
2. Hepatic cord
3. Hepatic lobule
4. Hepatic lobe
Process of digestion is accomplished by —
1. Only mechanical process
2. Only chemical process
3. Neither mechanical nor chemical process
4. Both mechanical and chemical processes
Which one of the following statements is true regarding digestion and absorption of food in humans
1. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like
2. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
3. About 60% of starch is hydrolysed by salivary amylase in our mouth.
4. Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Which of the following statements is false?
1. The breakdown of most of biomacromolecules occurs in duodenum
2. Simple substances (digested foods) are absorbed in the jejunum and ileum
3. Very significant digestive activity occurs in large intestine
4. Undigested and unabsorbed substances are passed on to the large intestine
Which of the following statements is incorrect?
I. | Absorption of simple sugar, alcohol, some water and medicines takes place in stomach |
II. | Maximum water absorption occurs in small intestine |
III. | Small intestine is the major site of digestion and absorption of food |
IV. | Fatty acid and glycerol are absorbed by lacteals |
V. | Nothing is absorbed in mouth and large intestine |
1. I, IV and V
2. V
3. IV
4. II and III
The absorbed substances finally reach the tissues which utilize them for their activities. This process is called:
1. Assimilation | 2. Emulsification |
3. Catabolism | 4. Digestion |
Succus entericus is a term used for
1. The junction of ileum and colon
2. Inflammation of intestine
3. Vermiform appendix
4. Digestive juice of intestine
An analysis of a patient's diet shows that he ate 90 g carbohydrate, 10 g protein, and 10 g fat each day. Approximately how many calories did this patient consume in one day?
1. 440
2. 470
3. 490
4. 740
Where do certain symbiotic microorganisms normally occur in human body ?
1. Caecum
2. Oral lining and tongue surface
3. Vermiform appendix and rectum
4. Duodenum
Anxiety and eating spicy food together in an otherwise normal human, may lead to
1. Indigestion
2. Jaundice
3. Diarrhoea
4. Vomiting