The digestive system

Multiple-choice questions

1 The alimentary tract is a long continuous muscular tube extending from the:

a mouth to anus b stomach to anus c small intestine to anus d large intestine to anus

2 Which of the following completes digestion? a large intestine b gall bladder c small intestine d stomach

3 Which of the following is produced in the stomach? a bile b pancreatic juice c pepsin d maltase

4 The commencement of protein digestion occurs in the: a mouth b small intestine c pancreas d stomach

5 Food stays in the stomach for approximately how long before it is churned to a liquid state?

a one hour b two hours c three hours d five hours

6 Which of the following is responsible for the chemical reactions of digestion?

a enzymes b absorption c peristalsis d homeostasis

7 Salivary amylase commences: a protein digestion b carbohydrate digestion c fat digestion d breakdown of roughage

8 The main constituents of gastric juice are: a gastrin and pepsin b gastrin and pepsinogen c gastric amylase d pepsin, hydrochloric acid and mucus

9 Trypsin is an enzyme produced by the: a liver b duodenum c gall bladder d pancreas

10 Where does peristalsis occur?

a in all sections of the alimentary canal b only in the mouth c only in the small intestine d only in the stomach

11 Which of the following does the liver not regulate?

a blood sugar levels b amino acid levels c fatty acid levels d plasma proteins

12 Vitamins and minerals are absorbed into the bloodstream:

a via the liver cells b via the villi in the small intestine c via the lacteals in the small intestine d via the hepatic portal vein

13 The main part of the large intestine is the: a duodenum b caecum c colon d ileum

14 Which of the following is responsible for producing bile?

a gall bladder b pancreas c liver d duodenum

15 In which part of the large intestine is faeces stored before defecation?

a rectum b caecum c descending colon d appendix

16 The three sections of the small intestine from beginning to end are:

a ascending, transverse and descending b jejunum, ileum and duodenum c duodenum, jejunum and ileum d duodenum, ileum and jejunum

17 The colon primarily absorbs: a proteins b carbohydrates c fats and lipids d water

18 The digestive disorder which presents as a burning sensation behind the sternum is:

a hernia b hepatitis c haemorrhoids d heartburn

19 Glucose, the end product of carbohydrate digestion is used to:

a produce new tissues b repair damaged cell parts c provide energy for cells to function d all of the above

20 Saliva is secreted by how many pairs of salivary glands? a two b three c four d five

IN PRACTICE

It is essential for therapists to have a working knowledge of the urinary system in order to understand how fluid balance is controlled in the body and the role of the kidneys in detoxification.

Diabetes 2

Diabetes 2

Diabetes is a disease that affects the way your body uses food. Normally, your body converts sugars, starches and other foods into a form of sugar called glucose. Your body uses glucose for fuel. The cells receive the glucose through the bloodstream. They then use insulin a hormone made by the pancreas to absorb the glucose, convert it into energy, and either use it or store it for later use. Learn more...

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