White Blood Cells and Platelets

Normal WBC numbers: 5,000-10,000 total. Panic: under 500 or over 30,000. Lymphoid tissue is found in discrete, organized masses in LN's, thymus, spleen, tonsils, adenoids, Peyer patches. Other areas with smaller amounts: bone marrow, lungs, GI, other. LN's are easily accessible for examination.

( on normals, increases and decreases of types )

CPD: Respiratory Hypersensitivity, Collagen Vascular Dz, Fungal Infx, Croup, TB, ARDS, Sleep Apnea

( some resp diseases )