Reference no: EM132692668

Eight-year-old B.J. has had asthma for 2 years since he had acute bronchitis. He was tested for allergies and demonstrated marked responses to a number of animals, pollens, and molds. B.J. also has a history of asthma related to exposure to very cold weather.

1. Describe the pathophysiology of an acute asthma attack in B.J. following exposure to cats.

2. Describe the early signs of an acute asthma attack and relate them to the changes taking place in the lungs.

3. Describe your actions if B.J. had an attack while he was with you.

5. State and explain the effects of a prolonged asthma attack.

6. Explain the factors contributing to severe hypoxia and acidosis in a prolonged attack.

7. Define status asthmaticus.

8. Suggest several measures that B.J. can take to reduce the risk of an asthma attack.

9. Explain how a beta2-adrenergic agent is helpful in treating asthma and how it is usually administered.