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. 2005 Apr 1;115(4):675. doi: 10.1016/j.jaci.2005.01.058

Effects of viral respiratory infections on lung development and childhood asthma

PMCID: PMC7119046  PMID: 15805982

CME items

Question 1. A process in lung development that is ongoing in a 1-month-old infant is —

  • A.

    development of the blood supply to interstitial tissue.

  • B.

    formation of new alveoli.

  • C.

    thickening of the alveolar walls.

  • D.

    branching of the airways.

Question 2. In September, a 1-year-old infant develops a cold that is followed the next day by the appearance of wheezing and increased cough. The pathogen that is most likely to have caused this illness is —

  • A.

    respiratory syncytial virus.

  • B.

    influenza A.

  • C.

    coronavirus.

  • D.

    rhinovirus.

Question 3. Which of the following factors is an important regulator of vascular cell proliferation and differentiation?

  • A.

    nitric oxide (NO)

  • B.

    leukotriene B4 (LTB4)

  • C.

    retinoids

  • D.

    platelet-derived growth factor (PDGF)

Question 4. Which of the following factors is induced by viral infections and also plays an important role in the differentiation of airway epithelial cells?

  • A.

    leukotriene D4 (LTD4)

  • B.

    retinoids

  • C.

    TGF-β

  • D.

    IL-8

Instructions for category 1 Continuing Medical Education credit

The American Academy of Allergy, Asthma and Immunology is accredited as a provider of Continuing Medical Education (CME) by the Accreditation Council for Continuing Medical Education.

  • Test ID no.: mai0056

  • Contact hours: 1.0

  • Expiration date: March 31, 2006

Category 1 credit can be earned by reading the text material and taking this CME examination online. For complete instructions, visit the Journal's Web site at www.mosby.com/jaci.

Learning objectives: “Effects of viral respiratory infections on lung development and childhood asthma”

  • 1.

    To be able to discuss the stages of lung development and the timing of these events relative to birth and the first few months of life.

  • 2.

    To name 2 factors that are induced by viral respiratory infections and also are known to regulate lung development.


Articles from The Journal of Allergy and Clinical Immunology are provided here courtesy of Elsevier

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