MCQ
Asthma is a respiratory disease caused due to?
- AInfection of trachea
- BInfection of lungs
- CBleeding in pleural cavity
- DSpasm in bronchial muscles
Explanation:
Asthma is caused due to inflammation of lungs and spasm in bronchial muscles. The peculiar symptoms of the disease are coughing, chest tightness, and shortness of breath. It is mainly caused due to environmental and genetic factor.
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$I.$ Breathing or pulmonary ventilation
$II.$ Diffusion of $O _{2}$ and $CO _{2}$ between blood and tissues
$III.$ Transport of gases by blood
$IV.$ Utilisation of $O_{2}$ by cells
$V.$ Diffusion of $O _{2}$ and $CO _{2}$ across the alveolar membrane
Choose the correct option