Respiratory System

Question 1

Classified drugs used in the treatment of cough

Answer 1

1. Antitussives (cough centre Suppressants)
2. pharyngeal demulcents
3. expectorants
4. Mucolytics

Question 2

Name Antitussive drugs

Answer 2

1. Codeine
2. pholcodeine
3. noscapine
4. dextromethorphan
5. Prenoxdiazine
6. antihistamines

Question 3

Name Pharyngeal demulcents

Answer 3

1. Lozenges
2. Liquorice
3. Linctuses

Question 4

Name expectorants

Answer 4

1. Sodium and potassium citrate
2. potassium iodide
3. guaifenesin
4. ammonium chloride

Question 5

Name mucolytic drugs

Answer 5

1. Bromhexine
2. Acetylcysteine
3. Carbocisteine
4. Ambroxol

Question 6

Which antitussives causes mild CNS depression and should be avoided in children and asthmatics

Answer 6

Codeine

Question 7

what is the mechanism of action of antitussives

Answer 7

Suppresses the cough centres in the medulla

Question 8

Which drug is preferably on stretch receptors on the airways

Answer 8

Phenoxdiazine 

Question 9

What is the mechanism of action of expectorant

Answer 9

Increase the volume of bronchial secretion and decrease viscosity of the sputum

Question 10

What is the mechanism of action of mucolytics

Answer 10

Break the thick Tenacious Sputum and lower the viscosity of sputum

Question 11

What is the mechanism of action of bromhexine

Answer 11

Bromhexine liberate lysosomal enzymes that digest the Mucopolysaccharides and decreases viscosity of sputum 

Question 12

What is the mechanism of action of acetylcisteine And carbocisteine

Answer 12

Open disulphide bonds in Mucoproteins of sputum. Sputum becomes thin and less viscous