✓ ~~~ mature in bone marrow - Antibodies - sends signals of invaders
T lymphocytes
✓ ~~~ mature in the thymus into different helper cells, HIv/Aids targets CD4 T lymphocytes
Function of spleen
✓ ~~~ Removes old RBCs, filters bacteria, extramedullary hematopoiesis
RBC life
Bone marrow aspiration & Biopsy position
✓ ~~~ Prone
Skin testing do what
✓ ~~~ Withhold corticosteroids and antihistamines 48-96 hours before testing
Anemia
✓ ~~~ Decreased RBC production, loss of RBC -
, Iron deficiency anemia
✓ ~~~ Low MVC
Vitamin b12 deficiency/ pernicious anemia
✓ ~~~ macrocytic MCV >100, B12 IM
Folic acid deficiency
✓ ~~~ High alcohol intake
Aplastic anemia
✓ ~~~ bone marrow issue (failure) all blood cells impacted
Hemolytic anemia
✓ ~~~ sickle cell, normocytic - MCV 80-100
Neutropenia
✓ ~~~ Low blood cell count
Neutropenia don't often manifest signs of infection, if temp 100.4 or greater
EMERGENCY
Normal neutrophil count
✓ ~~~ >2,000
Absolute neutrophil count
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