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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

complete blood, containing plasma and cellular elements

whole blood

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