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WorksheetsPre-analytical , Analytical & Hemolysis
Total questions: 55
Worksheet time: 28mins
What factor do you think have contributed to this -------discrepancy
machine was not caliberated afer major repair
the replace part was wrong one
the personal did not perform correct caliberation methd
the personal did not perform correct quality method
All of the above
Choose the correct option regarding the term analytical errors
the error happen during the ample collection procedure
the error happen after the sample testing procedure
the error occur during testing process
all of the above
none of the above
The laborarory provide the which of the foolowing services
diagnosis
treatment
prognosis
all of the above
In the laboratory test reporting intrepreatation an action are not important
true
false
Which of the following error are known as pre analytical errors
specimen draw from the wrong patient
incorrect low calcium and alakaline phosphate iterpretated due to K-EDTA contamination
both a & b
none of the above
Choose the correct reasons for analytical errors
equipment malfunction
analytical intereferance
in appropraite reagent
poor standardization of the test
all of the above
What ithe full form of iqc
internal quality control
international quality control
intra departmental control
incorrect quality control
What is the reason behind decrease analytical errors
increase automation
introduction of the external quality assurance program to acess
bth a & b
new process
Which of the folowing process we do not needed to follow for quality improvement and analytical phase
automated analysis
verifiction of reportable range
verification of reference limit
none of the above
Which of the following experiments designed to estimate analytical errors
systematic errors
random errors
linearity experiments
personal errors
How many specimen are required toverify the reportable range
5 specimens
10specimens
15 specimens
20 specimens
How mant time do we need to acess the specimen to verify the reporatbale range
once
twice
thrice
four tmes
Which of the follwing are required to etermine the analytical accurancy
minimal 20 patients specimens
minimal 5 specimens
3 specimens
17specimens
To verify the analytical accuracy which of te following methods wil be used
current method followed in the laboratory
new method introducing in laboratory
both a & b
none of the above
Which of the following procedure used to calculate the lower detecction of limits
verification of analytical interferance
Verification of analytical senstivity
verification of anatical accuracy
verification of precesion.
Whcih of the following test specimen was added with interfering material to determine the changes in the result
lipemia
hemolysis
bilurubin level
all of the above
What is the approved method for the verification of analytical interferenace
compair the result of both old and comparitive method results
lineraty experiments
both a & b
no approved protocol
Which of the following steps are done in this phase of laboratory testing
verification of the results
review of the results
communication of the results
interpretation of the results
all of the above
Choose if a phase of a total testing process which is the most affected by the nmbers of errors
pre-analytical testing errors
analytical errors
post-analytical errors
none of the above
Whcih of the following phase is known as as second most affective in the TTP
pre-analytical testing error
analytical error
post-analytical errors
none of the above
The errors of the post analytical can occur only outside of the laboratory
true
false
Which of the given error is not an post analytical error
transcription errors
incorrect results
delayed reaction
wrong identificaton
lack of follow up or referral
Pick the errors that ocuur in post analytical phase
misunderstanding of the result
reporting to the wrong healthcare providers
delay of the delivery of the result
all of above
In what time limts a loboratory technician need to report the critical result to the physycian
within 30 minutes time of obtaining the result
within 10 minute of obtaining results
just after receiving the result
any time
Which of the following personaities should be informed first than the rest
ordering physcian
pathologist
patient
laboratory incharge
Why does a physcian should read the report to laboratory personnal
all of the above
to check the lab report
to tell the lab personalthat the result is incorrect
to avoid mis intrepreation of the result
What do you think would have gone wrong ? why does the plasma turn pink incolor on centrifugation
in proper handiling of sample
sample collection
both a & b
none of the above
Hemolysis affect which component of the blood
rbc
wbc
plasma
platelets
What is the number of one cause of chemistry specimen rejection
in experience technician
wrong specimen technician
hemolysis
insufficient sample volume
What is the second most frequent cause of specimen rejection
in suffcient sample volume
hemolysis
wrong specimen technique
inexperienced technician
Choose the correct specimen for the cause of pinkish color of the liquid portion of the blood
rbc rupture in sample
hemoglobin
both a & b
none of the above
Which of the following will be affected along with the potassium in a hemolysis sample
LDH
AST & ALT
Phospherous & magnesium
hemoglin & hct
all of the above
What will be the result of using tool to small needles during sample collection
share stress on the shear cell wall
excess vaccum force
both a & b
none of the above
Sample collection from which of the following site has lesser chance of hemolysis
anticubital region of the arm
cephalic vein
basilic vein
both a & b
both b & c
Choose the reason not responsible for the sample hemolysis
leavng the tourniquet for longer then 1 minute
warm up the puncture site
making the site
none of the above
After cleaning the venipuncture site how long we needed to wait to let it air dried
10 sec
30 sec
50 sec
1 minutes
What indicates that nedle is crowed with the inner wall of the vein
high pressure required to push the plunger
no presuure to record the plunger
to fast blood flow
to slow blood flow
How many times do we neded to invert the specimen collected in tube with the clot activator
3 times
5 times
7 times
9 times
How many times do we need to invert the specimen collector collected in serum tubes without a clot activator
10 min
20 min
30 min
no need to invert
How many times do the anticoagulant tube should be inverted
2, 4 times
5,7 times
6-9 times
8-10 times
K-EDTA tube contamination will be responsible for which of the following conditions
inhibits alkaline phoshatase test
elevated potassium level
falsely decreases the elctrolyte levels
all of the above
Which of the following electrolyte of blood are not chelated by EDTA
mg2+
cl+
ca2+
zn2+
Why do you think the result showed variations in this case
dedicated syringe should be inserted immediately after serum tubes before EDTA vaccum tubes
dedicated syringe should be inserted immediately after heparin tube before EDTA vaccum tubes
dedicated syringe should be inserted immediately after sodium fluoride tube before EDTA vaccum tubes
all of the above
Which type of tube is used for STAT testing
grey top tube
blue top tube
green top tube
red top tube
Contamination due to sodium citrate or sodium EDTA leads to which of the following condition
hypernatraemia
hyperzincaemia
hypermagnesemia
all of the above
Which of the following is not the result of EDTA contamination
hypozincaemia
hypomagnesamia
hypocalcaemia
high alkaline phosphatase (ALP)
low iron
Which of the following tube must be used prior to the rest
gold tubes
red/gray stopper
light blue stopper
gray/yellow stopper
Which of the following tube can interfere with the coagulant test result
clot activators
EDTA
citrate
heparin
Why blood culture tubes are usually at the top of order of draw
because it will result in increased amount of some components
because bacteria from the non-sterile tube stoppers can result in bacteria growth
because the collected samples involve forces and turbulence
all of the above
Why we must folow order of draw
to avoid cross contamination
to avoid unreliable test results
both a & b
None of the above
Arrange the mnemonic word in the correct sequence according to the order of draw:
boys loves greek yogurt like ravishing gorls love dieters
girls love ravishing boys like greek dieteres love yogurt
greek dieters love ravishing boys like girls loves yogurt
boys love ravishing girls like dieters loves greek yogurt
Yellow closure tubes represents which of the following tubes
yellow sodium fluoride
yellow heparin tube
yellow serum tube
yellow sodium citrate
Which of the following tubes is used first then the rest
serum tubes
sodium citrate tube
blood culture tube
edta tube
When drawing multiple blood sepecimens for medical laboratory testing during a single venipuncture we must follow the order of draw
yes
no
What is the purpose following the correct order of draw
drawing more blood sample in short period of time
to avoid cross contamination of the additives betwen the tubes
assure accurate test reason
both a & b
both b & c
