A clinic received a child of 5 years with a diagnosis of acute bronchitis. Staphylococcus was found during bacteriological examination of sputum. From the age of 10 months, when he stopped taking mother's milk, the child has been often suffering from pharyngitis, otitis, bronchitis, pneumonia. The content of blood B-lymphocytes and immunoglobulins is decreased, the number of T-lymphocytes is normal. Questions: 4. Why has recurrent infections often occurred since about 10 months of age? 5. Why are viral and fungal infections seldom in this form of pathology?

A clinic received a child of 5 years with a diagnosis of acute bronchitis. Staphylococcus was found during bacteriological examination of sputum. From the age of 10 months, when he stopped taking mother's milk, the child has been often suffering from pharyngitis, otitis, bronchitis, pneumonia. The content of blood B-lymphocytes and immunoglobulins is decreased, the number of T-lymphocytes is normal. Questions: 4. Why has recurrent infections often occurred since about 10 months of age? 5. Why are viral and fungal infections seldom in this form of pathology?

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter34: Immunity

Section: Chapter Questions

Problem 13SA

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