Bronchial asthma, Biology

Bronchial Asthma

Bronchial Asthma is characterized by increased responsiveness of the trachea and bronchi to various stimuli that cause narrowing of the airways and difficulty in breathing. Its onset is sudden and it is intermittent.

Predisposing Factors

  1. Environmental Factors 
  2. Change in temperature, especially cold air. 
  3. Change in humidity-dry air 
  4. Atmospheric pollutants, Pollens 
  5. Cigarette and industrial smoke, Ozone Sulphur Dioxide 
  6. Formaldehyde vapour. 
  7. Strong odors-perfume 
  8. Allergens 

Feathers, Animal dander, dust mites. molds allergens, foods treated with sulfites(beer, wine, fruit juices, mack foods, salads, potatoes, shellfish and fresh and dried fruitsa).

Posted Date: 11/5/2012 12:22:06 AM | Location : United States







Related Discussions:- Bronchial asthma, Assignment Help, Ask Question on Bronchial asthma, Get Answer, Expert's Help, Bronchial asthma Discussions

Write discussion on Bronchial asthma
Your posts are moderated
Related Questions
System of classification The Enzyme Commission divided enzymes into 6 main classes, on the basis of the total reaction catalyzed. Each enzyme was assigned a code number; consis

Define Counter Stain - Staining Technique? Finally, the smear is counter stained with a simple basic dye different in colour from crystal violet. Safranin is the most commonly

Question 1 What is standard operating procedure manual (SOP)? Do you think it is important to maintain SOPs in all the laboratories? List the advantages of maintaining SOPs in

Q. Factors Affecting Normal Blood Sugar Levels? Earlier in our discussion, we learnt that insulin is the most important factor responsible for normal blood sugar levels. Now we

Signal Transduction The body consists of a huge variety of cell types which must work together to sustain the life of an organism. They must respond to their environment and co

Agricultural activities - Cause of Air Pollution Agricultural activities too are a major cause of air pollution. About 60 to 65% of carbon dioxide is produced from burning of

Why do you think the mitochondria contain their own DNA (circular) and have a double membrane?

#question.name any two plants having heterotrophic mode of nutrition .

Manifestations of anemia that are directly due to the diminished oxygen-carrying capacity of hemoglobin include: Answer A. pale skin. B. bleeding. C. bone pain. D. fatigue.

Sutures are also classified by thread diameter: Thread materials range in diameter from 1 to 10 with the higher number corresponding to the thinner, more delicate thread. In