1. Antitussives act by:
A. Liquifying bronchial secretions
B. Raising the threshold of cough centre
C. Reducing cough inducing impulses from the lungs
D. Both ‘B’ and ‘C’ are correct
Answer: [ D ]
2. Dextromethorphan is an:
A. Analgesic
B. Antitussive
C. Expectorant
D. Antihistaminic
Answer: [ B ]
3. Which of the following is not an antitussive:
A. Oxeladin
B. Clophedianol
C. Dextropropoxyphene
D. Dextromethorphan
Answer: [ C ]
4. The following antitussive is present in opium but has no analgesic or addicting properties:
A. Noscapine
B. Codeine
C. Pholcodeine
D. Ethylmorphine
Answer: [ A ]
5. Which of the following ingredients has neither specific antitussive nor expectorant nor bronchodilator action, but is commonly present in proprietary cough formulations:
A. Ambroxol
B. Chlorpheniramine
C. Guaiphenesin
D. Noscapine
Answer: [ B ]
6. The following expectorant acts both directly on the airway mucosa as well as reflexly:
A. Potassium iodide
B. Guaiphenesin
C. Terpin hydrate
D. Bromhexine
Answer: [ A ]
7. Bromhexine acts by:
A. Inhibiting cough centre
B. Irritating gastric mucosa and reflexly increasing bronchial secretion
C. Depolymerizing mucopolysaccharides present in sputum.
D. Desensitizing stretch receptors in the lungs
Answer: [ C ]
8. Codeine is used clinically as:
A. Analgesic
B. Antitussive
C. Antidiarrhoeal
D. All of the above
Answer: [ D ]
9. Mucokinetic is a drug which:
A. Reduces airway mucus secretion
B. Increases airway mucus secretion
C. Makes respiratory secretions more watery
D. Stimulates mucociliary activity of bronchial epithelium
Answer: [ C ]