Blood
What are white blood cells responsible for?
Defending the body against bacteria and viruses
What hand should the needle be placed in?
nondominant hand
What is the most common patient preparation instruction?
Fasting
A tourniquet should not be left in place for longer than?
1 minute
Who is responsible for ensuring that specimen collection is performed at the ordered time?
The medical assistant
What is the percentage of plasma in the blood?
55%
What is the angle that the needle should be inserted into the patient's arm?
15 to 30 degrees
How should the MA introduce themselves and approach each patient?
With a pleasant and warm demeanor
Which site locations should you avoid?
Scar tissue, injuries, burns, or wounds
Specimens for certain tests must be protected from
Light to avoid changes
What component of blood is responsible for preventing excessive blood loss when a vessel is damaged?
Platelets
Where should the vein be anchored on the patient?
2 to 3 inches below the puncture site
What is often provided to patients that require fasting prior to blood work?
Nothing to eat or drink besides water for 12 hours prior to blood work
Which options are available if the antecubital space is inaccessible
Back of the hand, wrist, and foot
When preparing the site for venipuncture what is the site cleansed with
Antiseptic
Whole blood is obtained when a tube is used with an ____.
Anticoagulant
what is the techniqu to prepare for venipuncture?
wiping in an upward-and-down ward motion with friction
What would be most appropriate in preparing a patient for Phlebotomy?
Ask the patient how they have responded to blood draws previously
Which vein is preferred within the antecubital space
Median cubital vein
What should be done when lab results are received at the clinic.
Forwarded to the ordering provider for review
What is included in the blood?
Plasma
Leukocytes and Platelets
Erythrocytes
How do you prepare the site for venipuncture?
cleanse the site with antiseptic
What position do you put the patient in if they report that they often faint while having there blood drawn?
Semi-Fowler's or supine position
What happens if the tourniquet is on longer than the suggested time
Hemoconcentration
Order of draw for skin puncture (4)
-Blood gases
-EDTA tubes
-other additive tubes
-serum tubes