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Tests 2

Terms

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RBC
determines actual number of cells in relation to volume
4.6 - 6.2 man
4.2 - 5.4 woman
3.2 - 5.2 child
WBC
establishes amount and maturity of wbc elements
adult 5,000 - 10,000
child 5,000 - 13,000
hemoglobin
determines amount of hemoglobin in 100 ml of blood
man 13-18 g/dl
woman 12-16 g/dl
child (3-12 years) 11 - 12.5 gm/dl
hematocrit
measures percentage of rbc per flulid volume of blood
man 42-50
woman 40 - 48
child 35-45
bleeding time
measures duration of bleeding after standardized skin incision -- properative screening
1-9 minutes
PTT
monitors effectiveness of heapartin therapy -- detects coagulation disorders
20-45 seconds

aPTT should be 1.5 to 2.5 times normal if patient is receiving heparin therapy
platelet count (thrombocyte count)
diagnose hemorrhagic diseases -- thrombocytopenia
100,000 - 400,000/mm3
PT
monitors effectiveness of coumadin therapy - detects coagulation disorders
9.5 - 12.0 seconds

PT should be 1.5 to 2.0 times the control with therapy
Sedimentation rate (ESR)
speed at which RBCs settle in well-mixed venous blood -- indicates inflammation
man 0-15 mm/h
woman 0 - 20 mm/h
glucose tolerance test
ability of body to secrete insulin in response to hyperglycemia
fasting 60-110 mg/dl
1 hour 190
2 hour 140
3 hour 125
total cholesterol
evaluates tendency for athlerosclerosis
*overnight fast
optimal is less than 200
borderline 200-239
high - greater than 239
LDL
determines whether elevated cholesterol levels are caused by increased LDL or HDL
*fast for 12-14 hours
optimal less than 139
borderline 140-160
high greater than 160
HDL
same as for LDL
man 35-70
woman 35-85
creatinine
test renal function
*NPO 8 hours -- list meds pt. is taking on lab slip
adult 0.6 - 1.5
child 0.4 - 1.2 mg/dl
infant 0.3 - 0.6 mg/dl
alkaline phosphatase
evaluates liver and bone function
*NPO 8-12 hours -- list meds pt is taking on lab slip
adult 30 -150 units/L
infant and adolescent up to 104 FU/L
Serum albumin
detect protein malnutrition
3.5 - 5.5 g/dL
BUN
evaluate renal function

values affected by protein intake, tissue breakdown and fluid volume status
7-18 mg/DL
over 60 -- 8/20 mg/DL

Deck Info

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