clinical lab lecture test 1

What is not the MA roll in phlebotomy?

perform blood testing using automated equipment only

What's the primary factory for the prediction of blood cells?

bone marrow

What is not a function of blood?

assist in food metabolism 

How many liters of blood are in the body?

6

What happens during clotting process of blood

fibrinogen turns into fibrin 

RBC

erythrocyte

WBC

leukocytes

Plasma and red blood cells are separated by what when using anticoagulated tubes

buffy coat

Know what OSHA stands for

occupational safety and health adminitration

What's the appropriate action for palpating a vein?

index finger

Describe purpose of additives

clots blood, prevents blood from clotting, preserves blood

How is a tube identified?

by color tube

What's the advantage of soft rubber tourniquet

easy and cheap enough to replace often 

When a BP cuff is used as a tourniquet, the cuff should be maintained at what pressure?

Slightly below diastolic pressure (between 60 and 90)

What's the most appropriate action when using a phlebotomy tray

biohazards sticker 

First step at performing venipuncture

put patient at ease

What is the recommended order for checking best available vein sight

antecubital region, back of hand, back of west, ankle / foot

What is the gauge needle is most commonly used in venipuncture

20/21/22

How many in does tourniquet have to be

3-4 in above puncture sight

Describe when a Syringe is most often used

when collecting small amount of blood from fragile veins

What is a combination system that can be used with syringe or vacuum tube

the butterfly collection system

Which is the correct order of the draw

cultures, blue top, red top, SST

What is not a quality assurance control

specimens are in syringes with needle still attached

Which is not a factor that can affect laboratory values

tourniquet on one minute or less

Which is the usual sight for capillary puncture for adults

finger

Which is the usual sight for capillary puncture for babies

heels

What would cause hemolysis

if you puncture sight without letting it dry completely

Which is not an appropriate action when collecting a capillary blood sample

using the first drop of blood

Place steps of blood clotting in correct sequence as it occurs

1. Uncoagulated blood

2. Calcium utilized 

3. Prothrombin converts to thrombin 

4. Fibrinogen converts to fibrin 

5. Clot forms

What is the most appropriate next step when first and second attempts dont work

stop attemps and tell doctor

When performing venipuncture what vein is used majority of the time

median cubital

Which is not an artery of the arm

femoral

Vacuum is created when plunger is pulled

syringe

Has vacuum in tubes

vacuum

Coagulation testing what color tube do you use

light blue

Chemistry testing

red

Glucose testing

light grey

Hematology testing

lavender

Toxicology testing

dark blue / royal blue