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Phlebotomy Exam Questions with Correct Answers
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Phlebotomy Exam Questions with Correct Answers What do evacuated tubes contain? - Answer-additives and anticoagulants What angle is a blood smear performed? - Answer-25 degrees to 30 degrees What is a CBC and what color tube is it collected in? - Answer-complete blood count and lavender or p...

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  • August 22, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • phlebotomy
  • phlebotomy exam
  • phlebotomy exam questions with correct answers
  • what do evacuated tubes contain
  • what angle is a blood smear performed

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  • Phlebotomy

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Phlebotomy Exam Questions with
Correct Answers

What do evacuated tubes contain? - Answer-additives and anticoagulants

What angle is a blood smear performed? - Answer-25 degrees to 30 degrees

What is a CBC and what color tube is it collected in? - Answer-complete blood count
and lavender or pink

Calcium is bound by what tube additive? - Answer-EDTA

What is the standard needle size used in venipuncture? - Answer-21-23 gauge

What is the function of the urinary system? - Answer-filters blood and eliminates waste
and also helps maintain blood ph

What is it called when a puncture site begins to sell and what should you do? - Answer-
hematoma and remove needle and apply pressure

What is the function of the respiratory system? - Answer-provides oxygen and removes
carbon dioxide

What artery is used in the ABG? - Answer-radial

When doing a coagulation study what color tube and how full should the tube be? -
Answer-light blue and 9:1 ratio

What causes the formation of fibrin strands in a blood sample? - Answer-hemostasis

Ethanol specimens should be collected in what color tube? - Answer-gray

How do you use a bleach solution to clean a work station? - Answer-1:10 ration

How can aerosol contamination be prevented? - Answer-close centrifuge

What type of needle can be used to draw blood from a burn victim? - Answer-butterfly or
dermal

What three things should a sharps container be? - Answer-spill proof, puncture proof
and tamper proof

,When is a bleeding time test performed? - Answer-before surgery

PT/PTT test are performed using what color tube and additive? - Answer-light blue and
sodium citrate

What color tube does not have an additive? - Answer-red

What may cause a vein to collapse? - Answer-traumatic venipuncture

Name a test that should be kept warm at body temp.? - Answer-cold agglutinins

If a patient Is being kept in a protective isolation, who is being protected? - Answer-
patient

What is medical ethics? - Answer-knowing the right from wrong in the medical field

If a therapeutic drug level is being drawn, what must the patient be asked? - Answer-
last two doses of medication

What additives are in the gray tube? - Answer-sodium fluoride and potassium oxalate

When should tubes be mixed after draw? - Answer-immediately

Why would you use a dermal puncture instead of a venipuncture? - Answer-when a little
amount of blood is needed

What might be the problem if no blood is obtained from a venipuncture? - Answer-
needle depth

What is it called when a liquid becomes unclear? - Answer-lipemic or turbidity

How does one handle stress at work? - Answer-10 min. breaks , breathe and relax

Define the patients bill of rights - Answer-a list of guarantees for those receiving medical
care

Venipuncture - Answer-incision of the vein for blood letting

What is the purpose of phlebotomy? - Answer-to obtain blood for diagnostic testing and
to remove blood for transfusion

Where do you place the tourniquet? - Answer-3-4 inches above the puncture site

If tourniquet is on to long what may occur? - Answer-hemoconcentration,
hemolysis,
petechiae

, Hemoconcentration - Answer-too many blood elements in plasma

Hemolysis - Answer-destruction of red blood cells

Petechiae - Answer-a small red or purple spot caused by a tourniquet being to tight

List 1st, 2nd, & 3rd choice of veins in antecubital fossa (inside of elbow) - Answer-
median cubital vein
cephalic vein
basilic vein

Reflux - Answer-backflow

Hematoma - Answer-a solid swelling of clotted blood within the tissues

How long do you apply pressure on the site after a draw
? - Answer-for up to two minutes

What goes on the blood collection tube after a draw? - Answer-patient's name, id
number, date, and time of draw

ALP - Answer-alkaline phosphatase

ALT - Answer-alanine aminotransferase

APTT - Answer-activated partial thromboplastin time

AST - Answer-aspartate aminotransferase

BT - Answer-bleeding time

BUN - Answer-blood urea nitrogen

BURPP - Answer-bilirubin, uric acid, phosphorus, potassium

CBC - Answer-complete blood count

Diff - Answer-differential

EDTA - Answer-ethylenediaminetetraacetic acid

EIA - Answer-enzyme immunoassay

ESR - Answer-erythrocyte sedimentation rate

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