MCQ OF THE DAY KONCPT NEET PG RESPIRATORY SYSTEM
DR VASANTH KUMAR V MD(PHARMACOLOGY)
1. Which of the following is NOT an adverse effect ofsalbutamol?
(a) Tachycardia
(b) Tolerance
(c) Hypokalemia
(d) Hypoglycemia
Ans D
ADR of Salbutamol – Tremors, tachycardia, hypokalemia, hyperglycemia
Ref KDT 8th edition Pg no 242,243
2. All of the following statements about theophylline arecorrect EXCEPT:
(a) Increase in dose is required in CHF
(b) Increases cAMP
(c) Increase in dose is required in smokers
(d) Inhibits phosphodiesterase
Ans A
Theophylline dose is reduced in CHF, above 60 yrs, liver failure
Ref KDT 8th edition Pg no 244-246
3. Which of the following is the fastest actinginhaled bronchodilator?
(a) Ipratropium bromide
(b) Formoterol
(c) Salbutamol
(d) Salmeterol
Ans C
Salbutamol is the fastest acting bronchodilator hence preferred for acute attacks
Ref KDT 8th edition Pg no 242,243
4. Which of the following drug does not result in theophylline toxicity is:
(a) Ciprofloxacin
(b) Amoxicillin
(c) Erythromycin
(d) Cimetidine
Ans B
Except Amoxicillin other agents retard theophylline metabolism & cause toxicity
Ref KDT 8th edition Pg no 246
5. In comparison to inhaled adrenergic agonists, theinhaled anticholinergics:
(a) Are more effective in bronchial asthma
(b) Are better suited for control of an acute attack ofasthma
(c) Produce slower response in bronchial asthma
(d) Least preferred in chronic obstructive lung disease
Ans C
Anticholinergics are less effective & produce slow response in asthma; preferred in COPD
Ref KDT 8th edition Pg no 247,248