B
What is responsible for preventing excessive blood loss when a vessel is damaged?
Platelets
What is the liquid portion of the blood obtained after a serum sample tube has clotted and centrifuged?
Serum
What is the most common patient preparation instruction before the procedure?
Fasting
What is obtained when a tube is used with an anticoagulant?
Whole blood
What is the name of the area around the surface of the needle point?
Bevel
You’re drawing blood on a patient, at which angle should the needle be inserted in the patient's arm?
15 degrees
What type of blood is collected when blood is drawn in a tube that does not contain an anticoagulant?
Clotted blood
When are capillary punctures performed?
When a small amount of blood is needed or for immediate results
If you had to draw blood on a patient with small, fragile veins what is the best needle system to use?
Butterfly system
What are the four components blood is composed of?
Plasma, white cells, red cells, platelets
Medication comes in a vial and needs to be drawn up and injected into the patient's bloodstream through an intravenous line. Which system will be used?
Syringe Needle System
What two patient identifiers are used to identify the patient?
Full name and date of birth
What gauge and length of Vacutainer needles are used in the evacuated system?
20 to 22 gauge, ¾ inch to 1 ½ inch length
Scarlette is filling out a lab requisition form. To make sure the patient can be billed properly, she must include this important detail. What is it?
Insurance information
Method that allows control over suction
Syringe needle system
After drawing blood into a light blue tube, Luis remembers it must be inverted this many times to properly mix. How many times must the tube be inverted?
3-4 times
Before drawing blood, Robbie wants to make sure the patient followed any special instructions, like fasting. To find out, he checks the resource that lists all procedure requirements. What does Robbie check?
Laboratory Directory
When drawing blood from most adults, this method is preferred because it allows for multiple tube collections with minimal discomfort.
Evacuated needle system
What is the preferred vein to choose within the antecubital space?
Median cubital vein
When drawing blood from small veins or young children, what method is preferred for better control and gentler access?
The Butterfly Method
To prevent ____ of additives, the tubes must be drawn correctly in order.
cross-contamination
Dani is preparing to draw blood into multiple tubes. To prevent cross-contamination of additives, he needs to follow the correct order of draw. What is the correct order of drawing? (Colors)
light blue, red, green, and lavender
An MA is assessing a patient for a site selection. He notices that the best choice for vein selection is found to bounce when palpated. What vein did the MA select?
The Basilic Vein
Can infant capillary puncture be performed on the finger of an infant?
NO! On the outer edge of the underside of the heel only.
When should face and eye protection be used?
when transferring blood into multiple test tubes