Blood Collection

The tourniquet cannot be left on for more than __ minute(s)
1. 1
2. 2
3. 3
4. 4
Failure to remove the needle when blood starts entering the tissues may result in a(n)
1. syncope
2. hemoconcentration
3. compression nerve injury
4. lymphostasis
Hemolysis of a blood sample during blood collection may be due to:
1. leaving the tourniquet on too long.
2. having the patient pump their fist.
3. using a 25 gauge needle.
4. venipuncture performed with vacuum collection system.
Hemoconcentration is/may be due to:
1. having patient pump fist repeatedly.
2. releasing tourniquet after one minute.
3. cleansing site with alcohol.
4. drawing from medial cubital vein.
Which of the following will be used when a serum sample is required:
1. EDTA
2. Heparin
3. Sodium Citrate
4. Clot Activator
Which of the following identifiers would be appropriate to accurately identify the patient:
1. patient name and identification number
2. patient name and room number.
3. physician's name and room number
4. patient and physician's names
Which of the following samples will be utilized for plasma electrolytes?
1. EDTA
2. Sodium Citrate
3. Heparin
4. Clot activator
All of the following tests can be performed on an EDTA sample EXCEPT
1. white blood cell count
2. erythrocyte sedimentation rate
3. differential
4. glucose
According to the patient bill of rights patient's have the right to get which of the following items of information from the phlebotomist:
1. know what the laboratory tests will be used for.
2. their diagnosis.
3. how the test results will be used to treat them.
4. your name and role in their care.
Blood culture contamination rates should not exceed:
1. 1%
2. 2%
3. 3%
4. 4%
Blood alcohol levels must be collected in which of the following tubes:
1. Gray
2. Green
3. Lavender
4. Red
A three hour glucose tolerance test has been ordered. In order for all samples to be collected and tested at a later time which of the following additves must be used?
1. Heparin
2. Sodium Fluoride and Potassium Oxalate
3. EDTA
4. Sodium Citrate
Which of the following collection methods will result in the BEST sample for analysis by the laboratory?
1. Syringe and butterfly
2. Vacuum collection system
3. Capillary puncutre on finger
4. Capillary puncture on heel
Leakage of blood into the tissues due to the needle partially being inserted into a vein will result in a/an:
1. hemoconcentration
2. lymphostasis
3. infection
4. hematoma
You have left the tourniquet on for more than the recommended time period. Which of the following analytes will be falsely increased in the blood?
1. sodium
2. potassium
3. glucose
4. LDH
Which of the following additives is used for a prothrombin time?
1. EDTA
2. Heparin
3. Sodium Citrate
4. Sodium fluoride
Which of the following stopper colors is used exclusively for the erythrocyte sedimentation rate?
1. Black
2. Tan
3. Royal Blue
4. Gray
You have collected the EDTA tube before the heparin tube. Which of the following will be excessively decreased?
1. Calcium
2. Glucose
3. Sodium
4. Potassium
Failure to completely fill the sodium citrate tube will result in a
1. shortened PT
2. prolonged PTT
3. decrease sodium
4. increased potassium
Which of the following is the correct way to finish up a venipuncture procedure?
1. Release tourniquet, remove needle, apply pressure, release tube from holder
2. Release tube from holder, release tourniquet, remove needle, apply pressure.
3. Remove tourniquet, release tube from holder, remove needle, apply pressure.
4. Release tourniquet, remove needle, release tube from holder, apply pressure.

Blood Collection

Quiz