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Asthma may be attributed to
Options
(a) bacterial infection of the lungs
(b) allergic reaction of the mast cells in the lungs
(c) inflammation of the trachea
(d) accumulation of fluid in the lungs
Correct Answer:
allergic reaction of the mast cells in the lungs
Explanation:
Asthma is an allergic reaction characterised by spasm of bronchi muscles because of an effect of histamine released by mast cells.
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Topics: Human Digestion and Breathing
(167)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Ultraviolet radiations from sunlight causes a reaction that produces
- Bud dormancy is induced by
- Isolation of Bt gene from bacterium Baciullus thuringiensis was undertaken in year
- Dring one Kreb’s cycle, number of CO₂ molecules released is
- Between the bark and the wood in a woody stem there is a layer of meristem
Topics: Human Digestion and Breathing (167)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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