BJ. is a 5-year-old boy who has suffered from repeated upper respiratory infections since he was...

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BJ. is a 5-year-old boy who has suffered from repeatedupper respiratory infections since he was 16 months old. At 4 yearsof age, he was diagnosed with allergic asthma. The followingwinter, at age 5, he was admitted to the hospital twice for acuteasthma with a secondary bacterial pulmonary infection.
At the second admission, a complete blood count, sputumculture, and immune status work-up were ordered.
Laboratory Data
AssayÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â PatientResultsÂ Â Â Â Â Â Â Â Â Â ReferenceRange
HemoglobinÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 13.5g/dLÂ Â Â Â Â Â Â Â Â Â Â Â Â 11.5-14.5 g/dL
HematocritÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 40% 33-43%
Total WBC count 16.2 x10⁹/LÂ Â Â Â Â Â Â Â Â 4-12 x 10⁹/L
Lymphocyte Count 4.3 x10⁹/LÂ Â Â Â Â Â Â Â Â Â Â Â 2.7-5.4
TlymphocytesÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2.4 x 10⁹/LÂ Â Â Â Â Â Â Â Â Â Â 2.7-5.3
BlymphocytesÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1.0 x 10⁹/LÂ Â Â Â Â Â Â Â Â Â 0.6-1.4
1. What is the etiology of this patientâ€™s recurringinfections? Explain your answer.

Answer & Explanation Solved by verified expert

3.7 Ratings (436 Votes)

Asthma is a condition in which the swelling and narrowing of airways causes difficulty in breathing Extra mucus is produced and it causes wheezing and feels shortness of breath In children the airways can be inflamed when they are exposed to allergens like pollen or due to cold and respiratory infections It can be genetic as well It is also found that prenatal tobacco use See Answer

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