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I miguage Development

I Match the words with their definitions.

1 digitalis glyco­sides

a drugs which increase the amount of urine excreted

2 antiarrhythmic

b drugs which constrict muscle fibres around blood vessels

3 quinidine

c drug which prevents blood clotting

4 vasodilators

d antiarrhythmic drug; helps to restore the heart rhythm

5 nitroglycerin

e drugs which increase the rate and force of heart­beat when the heart is in failure

6 diuretic

f drug which is used to correct an abnormal heart rhythm

7 vasoconstrictors

g drugs which increase the size of blood vessels, by relaxing the muscles in vessel walls

8 anticoagulant

h type of vasodilator with a great effect on the coro­nary arteries

2 Complete the sentences using the words and phrases from the box.

similar

leaf

clots

the heart muscle

blood

tongue

flow

  1. The ... may cause occlusion of blood supply to a vital organ.

  2. Digitalis is obtained from the ... of the digitalis plant.

  3. Quinidine decreases the number of beats ... can contract in a given period of time.

  4. The other nitrite drugs work in a manner ... to that of nitrogly­cerin.

  5. The ... and lymph are the liquid tissues of the body.

  6. The ... moves food around during chewing.

  7. Obstruction of the ... of blood can lead to back up of blood.

  1. JChoose the correct prepositions.

  1. Absorption of a drug is the process of movement of the drug to/ from the site of/in its application towards the general circulation.

  2. In this process, physiochemical properties of/in drugs, their for­mulations, and route of administration are all important.

  3. A prerequisite to absorption is that the drug must be able to enter into/at solution.

  4. Thus, for example, in/on case of solid drug products (e.g. a tablet) the ingredients must undergo disintegration, deaggregation, and dissolution.

  5. Some patients with chronic heart conditions do not respond at/to drugs.

  6. Coronary thrombosis is caused in/by blood clots which may block the circulation entirely.

  7. Heart diseases can appear to/in a variety on/of forms.

  8. A definite diagnosis can be made through/within blood test and an electrocardiogram.

  9. Angina pectoris may lead on/to myocardial infarction or cardiac arrest.

  10. Heart transplants have been successful to/for some patients.

  1. J Replace the underlined words with their synonyms from the box.

comprises origin influenced by powerful cultivation entire

handling recognized position obtained

  1. Digitalis is an important cardiotonic drug, official in most pharma­copoeias of the world since the eighteenth century.

  2. The drug contains a large number of glycosides, of which the most im­portant from medicinal viewpoint are digitoxin, giditoxin and gitaloxin.

  3. The total concentration of these three glycosides varies appreciably with the plant source and the conditions of growth.

  4. Also, since all are the secondary glycosides derived by hydrolysis of some of sugars from the primary or parent glycosides occurring in the leaf, their concentration is dependant upon the manner of treat­ment of the plant material following harvesting.

  5. L

    Nearly 30 other glycosides have been identified in the drug.

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