Chapter 43 Specialty Laboratory Tests

ABO blood group
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Terms in this set (24)
ABO blood group
genetically determined system of antigens found on the surface of erythrocytes; the population can be divided into four ABO blood groups; A, B, AB, and O
bilirubin
orange-yellow pigment that forms from the breakdown of hemoglobin in aged or damaged RBCs; bilirubin usually travels in the bloodstream to the liver, where it is converted to a water-soluble form and is excreted into the bile
blood urea nitrogen -BUN
nitrogen in the blood in the form of urea; level of nitrogen in the blood is an indicator of kidney fx
cholesterol
sterol lipid that is widely distributed in animal tissues and ingested in foods containing animal products such as meat, dairy, products and eggs; cholesterol is produced in the liver, is a component of bile, and is needed in limited amounts for body functions
Guthrie screening test
also known as newborn screening test; diagnostic test for detection of phenylketonuria (PKU)
high-density lipoprotein -HDL
lipoprotein in the blood composed primarily of protein; removes cholesterol from peripheral tissues and transports them to the liver for excretion
human chorionic gonadotropin - hCG
hormone secreted by the trophoblast after fertilization of the ovum; it may be detected in the blood and urine of pregnant women
induration
hard or firm raised area measured when a Mantoux test for TB is read
low-density lipoprotein - LDL
lipoprotein in the blood composed primarily of cholesterol; the cholesterol carried by LDL may be deposited in the peripheral tissues and is associated with an increased risk for heart disease
Mantoux test
test for TB involving the intracutaneous injection of purified protein derivative
phenylketonuriaa hereditary disease caused by the body's inability to oxidize the amino acid phenylalanine; if not discovered and treated early, brain damage damage can occur causing severe intellectual disability and other permanent disabilitiespurified protein derivative -PPDfiltrate obtained from mycobacterium cultures used for intradermal testing for TBRh factorblood factor indicating the presence or absence of the Rh antigen on the surface of human erythrocytestriglyceridesform of fat in the bloodstream that functions to store energy; an overabundance can cause cardiovascular diseasepelvic inflammatory diseasedoes not reflect a positive hCG testproper way to store a urine sample for 24 hrs for a pregnancy test that cannot be tested immediatelyInfectious Mononucleosisdisease sometimes called kissing diseasehCG hormonetest that does not use serum or blood as the specimentype O RBCs have A & B Antigensstatement that is incorrect regarding blood typediscovered by experiments on rhesus monkeysis a true statement about Rh factoravoid consumption of fatsis not a consideration when instructing a patient regarding correct collection of specimen for semen analysisnewbornspatients that PKU testing is done onforearm 3 -4 inches from bendbest site location for a tuberculin Mantoux test50 to 70 mg/dLblood glucose level of patient with hypoglycemia