'Asthma' is caused by

  • A
    Infection of the trachea
  • B
    Infection of the lungs
  • C
    Bleeding into the pleural cavity
  • D
    Spasm in bronchial muscles

Explore More

Similar Questions

Asthma may be attributed to

Complete bronchus obstruction results in

Which of the following is associated with pneumonia?

All of the following are diseases of the lungs,except:

Which of the following is a bacterial disease of the respiratory system?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo