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Blood and Lymph

Terms in this set (59)

blood is what?
3 parts plasma, 2 parts blood cells
RBC have what function?
tissue perfusion, oxygenation, platelets, homeostasis
WBC are what?
immune functions, formed in bone marrow
CBC
one of the most common blood tests, has both screening and diagnostic value, includes RBC count, Hgb, WBC, with differential, platelet count and manual differential
Hgb
oxygen carrying capacity
manual differential
confirm low or high platelet count, identify abnormal RBCs, anisocytosis, peokilocytosis and identify and monitor abnormal WBCs
what values would require a transfusion
hgb <7, hct <21, WBC <2,000 or >25,000, absolute neutrophil count <500, platelets <30,000
what are some s/sx of anemia?
can be asymptomatic, pallor of skin, heart and respiratory rate rise, palpitations, tissue hypoxia can cause angina, fatigue, headache, dizziness and dim headache
What happens in acute Hemorrhagic Anemia?
fluid shifts from interstitial to intravascular space, first CBC sign is lowered RBCs.
What is Hemolytic Anemia?
premature lysis of RBCs, hematopoietic activity increase, causes immature RBCs
What are some symptoms of Iron Deficiency?
mild-moderate fatigue, weakness, activity intolerance, dyspnea, pica
What are some signs of Iron Deficiency?
brittle spoon shaped nails, chilosis, smooth sore tongue, no nervous system symptoms
B-12 Deficiency s/sx?
similar to iron deficiencies, glossitis, paresthsias
Aplastic Anemia causes?
exposure to radiation, certain chemicals, drugs, viruses, autoimmune process
What are manifestations of Aplastic Anemia?
RBC loss, fatigue, pallor, dyspnea, headache, ultimately tachycardia, heart failure, bleeding bruising, fever, sore throat, frequent infections
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