Name the medicines used for the treatment of the following diseases:
(i) Tuberculosis
(ii) Typhoid

2

(a)

Why do we need to classify drugs in different ways?

2

(a)

Both antacids and antiallergic drugs are antihistamines but they cannot replace each other. Explain why?

2

(a)

If soap has high alkali content it irritates skin. How can the amount of excess alkali be determined? What can be the source of excess alkali?

2

(a)

How are receptor proteins located in the cell membrance?

2

(a)

What happens when the bond formed between an enzyme and an inhibitor is a strong covalent bond? 

2

(a)

What is Salvarson ? To which class of drugs does it belong ? For what distance is it used?

2

(a)

How does apirin act as an analgesic ?

2

(a)

What is tincture iodine ? What is its use?

2

(a)