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100
The anticoagulant found in a light blue stopper tube
What is sodium citrate
100
When is a trough level for therapeutic drug monitoring drawn and tested?
What is Before the medication is given
100
A blood constituent that exhibits diurnal variation is affected by:
What is TIME OF DAY
100
When identifying an outpatient, the patient should be asked to state his or her name and __________
What is DOB
100
Why is the first drop of blood wiped away on a dermal puncture?
What is to prevent diluting the sample with tissue fluid
200
In the chain of infection, dried blood can serve as which one: infectious agent OR reservoir OR means of transmission
What is reservoir
200
The angle of insertion when using a winged blood collection set is:
What is 10-15 degree angle
200
Immediately before performing venipuncture, the phlebotomist should examine the.......
What is the needle point
200
Blood collected by dermal puncture most closely resembles
What is arterial blood
200
Centrifuging uncapped tubes will produce
What is aerosols
300
TRUE of FALSE: The most common cause of health-care associated infection is due to biohazardous waste disposal errors
What is FALSE (improper hand hygiene)
300
Failure to insert the needle far enough into the vein can cause:
What is hematoma
300
Color stopper tube for trace metal analysis
What is royal blue
300
What is the purpose of sodium fluoride in a gray stopper tube
What is preserve glucose (antiglycolytic agent)
300
Samples for lead analysis is drawn in a _________ tube
What is tan stopper tube
400
When collecting a STAT serum chemistry test, the best evacuated tube to use is a
What is orange stopper tube
400
A sample collected from an infant that has been crying loudly for 30 minutes will have a falsely elevated
What is WBC count
400
The first stage in the coagulation process involves
What is platelets
400
A properly tied tourniquet permits____________ and blocks _________
What is Permits arterial blood flow and blocks venous blood flow
400
Maximum recommended time between collection and centrifugation of a gel barrier tube is:
What is 2 hours
500
Collecting a sample for a sodium determination would have a falsely elevated result if the sample was collected in a
What is gray stopper tube
500
When is the fasting sample drawn AND tested for an oral glucose tolerance test
What is before the patient drinks the glucose
500
The majority of errors associated with the collection of blood cultures are caused by improper site cleansing TRUE or FALSE
What is TRUE
500
This condition could develop if a mastectomy patient has blood drawn from the side of the mastectomy
What is lymphedema
500
TRUE of FALSE To prevent reflux of anticoagulant, the tube is held in a horizontal position
What is FALSE (downward position)
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