QUESTIONS NATIONAL Flashcards
Which of the following is the best method to collect a blood specimen from an older adult patient who has fragile easy-to-collapse veins
a. choose a butterfly assembly utilizing a regular ETS tube
b. choose a butterfly assemble and utilize a pediatric tube
c. chose a syringe and butterfly assembly and transfer to an ETS tube
c. chose a syringe and butterfly assembly and transfer to an ETS tube
Which of the following is the total blood volume of a 3.3 kg infant
A. 250 to 490 mL
B. 350 to 390 mL
C. 215 to 330 mL
C. 215 to 330 mL
The order of draw for capillary collections is different than venipuncture because of
a. the risk of hemoconcentration
b. an increased rate of coagulation
c. the smaller size of samples
b.an increased rate of coagulation
What is the complete order of draw for venipuncture
- Blood culture bottles or light yellow tube stopper
- Light blue (sodium citrate)
- Serum tubes (red, gold or spectled)
- Green (Heparin)
- Lavender or purple (EDTA)
- Gray (sodium fluoride and potassium oxalate)
Which of the following is the term for a donation of a patients own blood for an upcoming surgery
a. autonomic donation
b. presurgical donation
c. autologous donation
c. autologous donation
Which of the following test results are affected when povidone iodine is used to cleanse the site for a dermal puncture?
a. glucose
b. blood urea nitrogen
c. potassium
c. potassium
When should a phlebotomist follow chain of custody
A. Paternity testing
B. Glucose test
C. Urine test
A. Paternity testing
A phlebotomist must centrifuge a serum specimen before shipment to an outside reference laboratory because
a. cells must be separated from the serum
b. cells will hemolyze
c. platelets must be separated from the serum
a. cells must be separated from the serum
A phlebotomist must invert anticoagulant tubes to prevent which of the following?
a. Hemolysis
b. clotting
c. hemoconcentration
b. clotting
A phlebotomist must choose the correct tube color and additive for the corresponding
a. laboratory test
b. order of draw
c. priority status
a. laboratory test
Which of the following is potential consequence of mislabeling a blood bank specimen?
a. a transfusion reaction
b. a medical transcription error
c. a pharmaceutical reaction
a. a transfusion reaction
When should a phlebotomist perform external liquid controls for quality control one CLIA waived point of care test
a. with every patient
b. every week the test is performed
c. when a new lot number or kit is opened
c. when a new lot number or kit is opened
which of the following actions would result in a grossly hemolyzed specimen?
a. applying the tourniquet too close to the draw site
b. an incorrect needle gauge
c. an incorrect order of draw
b. an incorrect needle gauge
At what temperature should a semen sample be transported by the phlebotomist
a. 21 to 23 degrees C
b. 25 to 30 degrees C
c. 36 to 38 degrees C
c. 36 to 38 degrees C
What is the complete order of draw for Capillary Collection
- Blood gas collection (Purple)
- Green (Heparin)
- Any other additive specimens
- Serum (Red or gold cap tubes - no additives)
- Blood gas collection (Purple)
- Green (Heparin)
- Any other additive specimens
- Serum (Red or gold cap tubes - no additives)