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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.
Related Questions: - What percentage of energy is transferred from one trophic level to another?
- Name the organisms which do not derive energy directly or indirectly from sun
- The factor most important in regulating transpiration is
- In the heart of mammals the bicuspid valve mitral valve is situated between
- Which of these are considered most essential in the origin of life?
Topics: Human Digestion and Breathing
(167)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What percentage of energy is transferred from one trophic level to another?
- Name the organisms which do not derive energy directly or indirectly from sun
- The factor most important in regulating transpiration is
- In the heart of mammals the bicuspid valve mitral valve is situated between
- Which of these are considered most essential in the origin of life?
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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