Midterms Flashcards
(144 cards)
1
Q
speed of analytical system
A
throughput
2
Q
reagents and samples are combined to
A
yield a spec final conc
3
Q
incubation is controlled by
A
analyzer
4
Q
measurement in the cuvette where the rxn has taken place
A
situ monitoring
5
Q
restricted to certain math fxns
A
digital computation
6
Q
time analyzer is not in use
A
maintenance time
7
Q
system
A
q assurance
11
Q
converter changes the _______ into digital
A
voltage or current signal
12
Q
electrical signal from SENSOR or PHOTOELECTRICAL CELL
A
analog
13
Q
list of analytes or test for patient testing
A
test menu
14
Q
tool
A
QC
15
Q
analog computation compares it with reference signal as for the
A
blank soln
16
Q
waiting period mixture allowed time to react
A
incubation
17
Q
readout with
A
tv monitor (cathode ray tube) light emitting diodes
20
Q
the ability of a method to determine the exact value of the substance of interest in the sample
A
accuracy
21
Q
precision
A
standardization
22
Q
number of test performed on instrument
A
test repertoire
23
Q
minimum time to obtain result after initial sampling
A
dwell time
24
Q
labor maintenance, capital, reagent, qc
A
cost
25
Q
100% pure
A
standard sol
26
Q
for precision
A
control sol
27
Q
overall management plan to guarantee integrity of data
A
quality assurance
28
Q
max tests in an hour
A
throughput
30
Q
instrument performs other tasks while processing the test
A
walk away capability
31
range which results can be reported without manipulating the sample
linearity
34
used as basis of reference for the calc of the value of unknown
standard sol
35
highest and lowest calibration for an instrument
linear range
37
time analyzer is unavailable because of periodic maintenance or troubleshoot
downtime
38
reuse of cuvette
carry over
39
percentile exp of the mean
cv
40
monitoring via
optical
thermal
electrical
41
degree by which significant deviations can be detected
sensitivity
42
able to measure minute conc of the analyte
analytical sensitivity
43
the test must always give a (+) result in the presence of a disease
diagnostic sensitivity
45
the test must always give a negative result in the absence of disease
diagnostic specificity
46
the ability of a method to give repeated results on the same sample that agrees with one another
precision and reproducibility
48
composed of SEVERAL known constituents which can be run simultaneously with the test to check ACCURACY
control sol
49
serves as reference for unknown
standard sol
50
error due to instrument itself
instrumental
51
composed of one known constituent
standard sol
52
set the reading to zero
blank
55
the degree by which a method is easily repeated
practicality
56
control val on one side 6 days
shift
57
commercially prepared
| values are know but NOT GIVEN
unassayed
58
cusum graph
cumulative sum
59
sol without the specimen but with reagent
blank
60
lowest value detected without giving a false positive result
sensitivity
61
known char
known value
known conc
standard sol
62
changes in the conc of standards
trend
64
source of non commercially prepared qc reagents
left over sera (pooled sera)
67
providing positive sample identification
bar code
68
ration of sd over mean
cv
69
leads to outliers
gross or blunders
70
fundamental basis of any statistical analysis
variation
71
proficiency testing
external quality control prog
72
deteriorating of standard
shift
73
pooled serum (1 yr)
control
74
only performs req. test
selective
76
2 mean chart at right angles
youden plot
77
correction of re
use of high grade equip
| careful use of the equip
78
derived from human blood
control
79
2 or more outliers 20 days
out of control
80
control chart
| increase or decrease 6 days
trend
81
types of determinate systematic
personal
methodic
instrumental
82
manuf from diff companies
| lyophilized or non lyophilized
commercially prepared
83
practical conciderations jn qc prog
```
specimen collection and handling
reagent and equipment
method and procedure
standard and control
qualified personnel
```
84
reagent stability before use
shelf life
85
commercially prepared
| values are known and GIVEN
assayed
86
correction of methodic err
proper method dev or procedural changes
88
carried deoxygenated blood
vein
89
measure of relative magnitude of variability
cv
90
error affects precision of result
random
91
loss of blood from a vessel
hematoma
92
measures significant differences bet groups of data
variance
93
error that affects the accuracy
systematic
94
most commonly used chart
shewhart levey jennings
95
due to carelessness, prejudice and color acuity probs
personal
96
taking blood from an artery (radial)
arterial blood gas
97
twin
two mean
two way average
youden plot
99
establish reference values in the lab
internal qc prog
100
measure the analyte requested only
specificity
101
correction of instrumental err
calibration
| proper instrument maintenance
102
group measurements in the same sample in a cluster around the mean bell shaped
gaussian curve
103
requires stat tech to be rejected
gross or blunders
104
PROCEDURE needle in vein for venous blood
veni
105
with albumin globulin and fibrinogen
plasma
106
summation of data divided by total num
arithmetic val
mean
average
108
series of analytical measurements to assess quality of analytical data
QC
109
Collection of sample
bar coded labels
110
aka dot chart
shewhart levey jennings
111
liqud portion of clotted blood
serum
112
2 signal's log as the
final result for unknown sample
113
improper calibration in instruments
shift
114
values far from main set of val
outliers
115
ACT of entering a vein to obtain venous blood
phlebotomy
116
contain albumin and globulin only
serum
117
main cause of outliers
random or systematic
118
1 outlier 20 days
in control
120
carry oxygenated blood
artery
121
connects small arteries and veins
capillary
123
lipemia disturbs
```
amylase
bilirubin
bsb test
protein
sgot
sgpt
```
125
cause of hemoconc
lack of fluid in blood
| too tight or prolonged torniquet
126
installs blood sample from 0.1-0.9
micromethod
127
cavity or channel the tubular org
lumen
128
blood clot in a vessel
thrombosis
129
prefered specimen in cc
serum
130
24 hr sample
random
timed
urine
131
nothing per orem
nothing by mouth
8 to 14 hours
fasting
132
collected anytime
random
133
collected in 24 hours
24 hour
134
collected after meal
post prandial
135
installs blood sample from 0.01-0.09
ultramicromethod
136
installs blood sample 1ml and above
macromethod
137
installs blood sample from 0.001-0.009
nanoliter method
138
mixture of blood coming from the arterioles, venules and capilaries
capillary puncture
139
site for capillary puncture
palms
big toe
heel
earlobes
140
lipemia composition changes
```
bacterial changes
blood gas changes
extravascular interchange
change in lipid conc
change in phosphates
```
141
samples 2 hours after eating fatty meal
lipemic
142
statement of the extent of var in ANY series of measurement
sd
145
plasma and formed elements
whole blood
146
analog to digital converter to process signals
digital
147
capillary puncture is for
pediatric infant
geriatrics
extreme obesity
burns
148
4 charts
shewhart-levey jennings
gaussian curve
cumulative sum
youden plot
150
closeness of test value to true value
accuracy
152
no anticoagulant
serum
155
a rejection or warning rule used to identify/indicate if the analytical process is out of control
westgard control rules
157
with anticoagulant
plasma
158
deteriorating reagent
trend
159
due to unpredictable cause
| origin not determined
random
160
magnitude can be determined, tangiole
systematic
| d or r
161
errors in qc
variation
163
due to the method which cannot be eliminated unless a change is made with it
methodic
165
plotted w diff from mean of individual values w the middle value being ZERO
cusum
166
limition of observation
limited re
167
able to measure only one unknown substance
analytical specificity
170
diameter of needle
| larger no = smaller
gauge
171
types of random error
inherent
| limited
176
correction of personal err
proper training and xp
178
measure of the distribution range of values around the mean val or average
sd
182
kinds of qc reagents
commercially prepared
| noncommercially prepared
191
types of error
random or indeterminate
determinate or residual or systematic
gross or blunders
194
for accuracy
standard sol
| blank
202
number of test RESULT generated at a given time
workload
223
mixing of reagents can be done by
stirring
agitation
other device
