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Phleb 12 + 13

Phlebotomy Essentials 5th Edition Chapters 12 13

Question	Answer
Why is specimen handling so important?	ALL
Proper specimen handling begins	When test is ordered
You are the only phlebotomist on duty. A physician orders a test you’re unfamiliar with. What do you do?	Consult the user manual.
Number of inversions depends on	Presence or absence of additive
Inadequate mixing of tubes with anticoagulant could lead to	Microclots
Tube that needs no mixing	Non-additive
Why must you transport tubes with stopper up?	ALL
Specimen transported via courier, aircraft, mail, must follow guidelines by	(FAA, OSHA, DOT) ALL
Which of the following actions will compromise the quality of a specimen?	Partially filling a SST tube
Analyte broken down by light	Bilirubin
Some specimens require cooling to	Slow down metabolic processes
Chilling can cause erroneous test results for which analyst	Potassium
What would be transported in ice slurry?	Ammonia
What is the best way to chill a specimen?	Ice Slurry
How should a Cryofibrinogen specimen be transported?	Warm - 37°C heat block
Why would you wrap a specimen tube in aluminum foil?	To protect from light
Specimen must be transported at near normal body temp, which is	37°C
According to CLSI the maximum time limit for separating serum or plasma from cells is	2 hours
Separator gels prevent glycolysis when?	After being centrifuged
Glucose in a sodium fluoride tube can be stored at room temp for how long?	24 hours
What type of test takes priority?	STAT (STAT-ER)
All of the following are centrifuged, except	CBC in lavender top tube
What protective equipment is required when processing specimens?	ALL
What would be a reason to reject specimen for analysis?	ALL
A reason to reject a specimen would include all of the following, except	Icteric bilirubin and lipemic fasting glucose
Aliquot	Portion of specimen being tested
Specimen rejected if tube not filled completely until vacuum is exhausted	PT (ProTime)
Tests performed on plasma are	Collected in anticoagulant tubes
It is important to note the type of heparin in the collection tube because	Some types of heparin can affect test results.
Non additive specimen is spun in a centrifuge to obtain	Serum
Serum will take longer to clot	ALL
Test most affected by contamination of a drop of perspiration falling into it	Electrolytes
Gloves that contain powder	Source of contamination
Minimum pre-centrifugation time for a specimen drawn in SST tube	15 mins
Repeated centrifugation of a specimen can	ALL
Proper centrifuge operation	Balance
Special information when labeling a non-blood specimen	Type and source
What type of specimen must be handled and analyzed STAT	CSF (cerebrospinal fluid)
Most frequently analyzed non-blood specimen	Urine
What can happen to urine components if not processed in a timely fashion?	ALL
What specimen preferred for most urine tests?	First morning urine
Routine urinalysis specimens that cannot be analyzed within 2 hours require	Refrigeration
Routine urinalysis typically includes	ALL
Most likely reason a Culture + Sensitivity be ordered?	To diagnose UTI
Urine cytology studies look for presence of	Abnormal cells
Suspected pregnancy can be confirmed by testing urine for this hormone	HCG
What type of specimen preferred for pregnancy testing?	First morning urine
What type of specimen preferred routine analysis?	Random
Urine specimen that is most concentrated	First morning urine
Serial urine specimens collected at specific times for C & S	GTT (glucose tolerance test)
Which urine spec is obtained by inserting a sterile needle directly into the urinary bladder and aspirating urine?	Suprapubic
Procedure for collecting 24 hr urine specimen	Void first morning urine into toilet, start timing, collect all following including next am specimen
Which urine test requires midstream catch specimen?	C+S (culture and sensitivity)
Test performed on amniotic fluid	AFP (alpha fetoprotein)
Amniotic fluid comes from where?	Sac surrounding fetus
Spinal fluid analysis useful in diagnosing	Meningitis
Test requires IV administration of histamine or pentagastrin	Gastric analysis
NP (nasopharyngeal) culture swab sometimes collected to detect	Whooping cough
Saliva can be tested to	ALL
One reason semen analysis is performed	Assess fertility
Which of the following fluids is obtained through lumbar puncture?	Spinal
Serous fluid includes	ALL
Fluid from joint cavities	Synovial
Ascites	Excess fluid in peritoneal cavity
Sputum	Phlegm
Sputum is collected in the diagnosis and monitoring of	TB
Test to diagnose CF (Cystic Fibrosis)	Sweat chloride (Iontophoresis)
Synovial fluid collected in what tube	ALL
Synovial fluid used to identify	ALL
The process of Iontophoresis is used to collect	Sweat
Marrow aspirated from	Iliac crest (hip)
Marrow studied to identify	Blood disorders
Breath specimens can be used to detect	H. Pylori
Refrigerated stool specimen would be acceptable for all except	O + P (ova & parasites)
Guiac test detects	Occult blood
Chronic drug use can be detected in what type of sample?	Hair
Type of specimen required for rapid strep test	Throat swab
Type of specimen required for biopsy	Tissue
Military time	Examples: 8:00am= 0800 “0 eight-hundred hours” 10:15am= 1015 “ten fifteen” 1:30pm= 1330 “thirteen thirty”
Bleach dilution	10% dilution of bleach (5.25% sodium hypochlorite) 1:10 ratio of bleach to water 1 part bleach to 9 parts water 10mL bleach to 90mL water

Created by: 708240517

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