Flashcards in CC Lab - Glossary of Terms Deck (52):
1
closeness to true value
accuracy
2
substance that can yield hydrogen or hydronium ion hen dissolved in water
acid
3
energy required to raise all molecules in 1 mole of a cpd at a certain temp to the transition state at peak of energy barrier
activation energy
4
substance that converts an inactive substance to active one
activator
5
formed in vivo from breakdown of amino acids
ammonia
6
lower limit of detection of given analyte
analytic sensitivity
7
negatively charged ions
anions
8
glycoprotein secreted by plasma cells, which in turn are under the control of many lymphocytes and their cytokines
antibody
9
also known as immunoglobulins
antibody
10
agent recognized as foreign by IS
antigen
11
blood from arteries
arterial blood
12
substance that inhibits bloodclotting action
anticoagulant
13
substance that can yield hydroxyl ions when dissolved in water
base
14
standardization or determination of accuracy of instrument
calibration
15
polyhydroxyl aldehydes or polyhydroxyl ketones
carbohydrates
16
multimeric units of compounds with a general formula (CH2O)n
carbohydrates
17
positively charged ions
cations
18
organic enzyme activator
coenzyme
19
nonprotein molecule that may be necessary for enzyme activity
cofactor
20
proportion of individuals with a disease who test positively with the test
diagnostic sensitivity
21
proportion of individuals w/o a condition who have negative test for that condition
diagnostic specificity
22
ions capable of carrying electric charge
electrolytes
23
migration of charged solutes or particles in electric field
electrophoresis
24
specific biologically synthesized proteins that catalyze biochemical rxns w/o altering equilbrium point of the rxn or being consumed or undergoing changes in composition
enzymep
25
patients with the condition who are classified by the test as not having the condition
false negatives
26
patients without the condition who are classified by the test as having the condition
false positives
27
form in w/c carbohydrates are stored
glycogen
28
markings in an instrument to show proportionate divisions of a measurement
graduation
29
largest division of normal HbA in both diabetic and nondiabetic subjects
formed by rxn of beta chain of HbA with glucose
Hemoglobin A1C
30
damage to erythrocyte membrane, causing release of cellular components into the blood plasma or serum
hemolysis
31
yellow pigmentation in the skin or sclera as a result of excess bilirubin conc. in blood
icterus
32
diff. forms of an enzyme that may originate from genetic or nongenetic causes and may be differentiated from each other based on certain physical properties
isoenzymes
33
presence of abnormally high conc of triglycerides in circulating blood
lipemia
34
average, arithmetic mean
mean
35
procedure for withdrawing blood from body
phlebotomy
36
liquid portion of blood containing clotting factors
plasma
37
any substance that causes harmful effect upon exposure
poison
38
closeness of repeated results quantitatively expresses as standard deviation
precision
39
system of process that encompasses preanalytic, analytic, and postanalytic factors
quality assurance
40
component of quality assurance for recognizing and minimizing analytic errors
quality control
41
type of analytic error affecting precision
random error
42
proportion of patients with a given disease or condition in which a test intended to identify that disease or condition yields a positive result
sensitivity
43
liquid portion of blood w/o clotting factors
serum
44
sudden change in data and mean
shift
45
ability of an analytic method to quantitate one analyte in the presence of other in a mixture such as serum
specificity
46
machine that measures light absorbed or transmitted by a solution
spectrophotometer
47
substance or solution in w/c the conc. is known
standard
48
type of analytic error arising from factors that contribute a constant difference, either + or -, and directly affects the estimate of the mean
systematic error
49
gradual change in data and mean
trend
50
patients with the condition who are classified by the test as having the condition
true positives
51
patients without the condition who are classified by the test as not having the condition
true negatives
52