Hypersensitivity Pneumonitis (Extrinsic Allergic Alveolitis): Overview and DIagnosis
Über den Vortrag
Der Vortrag „Hypersensitivity Pneumonitis (Extrinsic Allergic Alveolitis): Overview and DIagnosis“ von Carlo Raj, MD ist Bestandteil des Kurses „Disorders of the Pulmonary Circulation and the Respiratory Regulation“.
Quiz zum Vortrag
Which of the following statements regarding extrinsic allergic alveolitis is correct?
- Mixed type III/IV hypersensitivity reaction and a majority progressing to non-caseating granuloma.
- Mixed type II/IV hypersensitivity reaction and a majority progressing to caseating granuloma.
- Mixed type I/II hypersensitivity reaction and a majority progressing to caseating granuloma.
- Mixed type III/IV hypersensitivity reaction and a majority progressing to caseating granuloma.
- Mixed type III/IV hypersensitivity reaction and a majority progressing to suppurative granuloma.
Which of the following represents the correct components involved in the immunological response that occurs in hypersensitivity pneumonitis?
- Immune complexes and sensitized T cells
- Immune complexes and mast cells
- Immune complexes and sensitized eosinophils
- Immune complexes and sensitized B cells
- Immune complexes and IgG antibodies
What is the etiology of bronchiolitis obliterans in extrinsic allergic alveolitis?
- Fibrosis resulting from interstitial pneumonitis
- Necrosis resulting from interstitial pneumonitis
- Fibrosis resulting from interstitial pneumonia
- Non-caseating granuloma from interstitial pneumonitis
- Type II hypersensitivity resulting from interstitial pneumonitis
Which of the following is the inciting antigen in farmer's lung disease?
- Thermophilic actinomycetes
- Cryptococcus neoformans
- Nitrogen dioxide gas
- Ancylostoma duodenale
- Acanthamoeba
What is the most appropriate step in the management of a patient with suspected hypersensitivity pneumonitis?
- Remove the offending antigen.
- Bronchoalveolar lavage
- Pulmonary function tests
- Corticosteroids
- Chest x-ray
Exposure to proteins and dust from bird feathers and excreta would most likely result in which of the following conditions?
- Bird fancier's lung
- Cryptococcosis
- Chlamydophila pneumoniae
- Byssinosis
- Bagassosis
Which of the following is a characteristic finding in the bronchoalveolar lavage of a patient with extrinsic allergic alveolitis?
- Low CD4:CD8 ratio
- Low CD8 levels
- High CD4 levels
- High CD4:CD8 ratio
- High eosinophil levels
Which of the following is incorrectly paired?
- Farmer’s lung – Bird drops
- Byssinosis – Hemp
- Nylon flocker's lung – Nylon
- Bagassosis – Moldy sugar cane
- Silo filler's lung – Nitrogen dioxide
Which of the following is false regarding hypersensitivity pneumonitis?
- Low CD8:CD4 ratio
- Low CD4:CD8 ratio
- High CD8:CD4 ratio
- Positive inhalation challenge test
- Noncaseating granuloma formation
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Dozent des Vortrages Hypersensitivity Pneumonitis (Extrinsic Allergic Alveolitis): Overview and DIagnosis
Carlo Raj, MD
Dr. Carlo Raj is a Physician and Lecturer at Becker’s Healthcare, in Illinois, USA, and the CEO and founder of Indus Intellect Virtual MedEd, a medical education consulting company.
He obtained his MD from Medical University of the Americas (MUA) and is an international lecturer and public speaker.
Within Lecturio, Dr. Raj teaches courses on Pathology.
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