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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: - Choose the correct option for the following events of meiosis in correct sequence:
- Organisms which can grow and multiply at temperatures of 100 – 105ºC belong to
- The characteristics of class Reptilia are :
- RAAS is associated to which of the following hormone?
- Gymnosperms are also called soft wood spermatophytes because they lack:
Topics: Human Digestion and Breathing
(167)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Choose the correct option for the following events of meiosis in correct sequence:
- Organisms which can grow and multiply at temperatures of 100 – 105ºC belong to
- The characteristics of class Reptilia are :
- RAAS is associated to which of the following hormone?
- Gymnosperms are also called soft wood spermatophytes because they lack:
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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