Chapter 7
2 years and younger
What two screening tests require a small amount of blood, most often capillary blood?
Hemoglobin and hematocrit
The most serious and potentially most dangerous pre-examination error is:
improper patient identification. Misidentification of a sample leaves open the possibility that results will go to the incorrect patient.
A person starts working for a lab as their Phlebotomist, when is the first evaluation done after the initial training?
6 months
This age group has a limited understanding of illness beyond "being sick".
First 2 Years
When using a Micro-collection tube, what can happen to cells if you scrape the skin to collect the blood?
Hemolyze
What are the normal ranges of hemoglobin for males and females?
males is 13 to 17 g/dL
females is 12 to 16 g/dL
The tourniquet should be on the arm no longer than
1 minute
How long does a Certified Phlebotomist have to complete continuing education credits with the American Society for Clinical Pathology?
3 years
This age group has some understanding of the mechanics of health, such the digestion and respiratory tract.
6 to 9 years
Excessive crying of the infant can result in what being elevated when needing to do a blood draw?
Leukocytes (WBC)
What is the normal total platelet count for males and females?
150,000 to 400,000 per millimeter
Before collecting any fasting samples, the phlebotomist should always determine if the patient is fasting by asking the patient if he or she has had anything to eat or drink. Fasting usually means for how long?
8 to 12 hours
If no other site is obtainable other than one near a bruise, how would you draw the patient's blood?
insert the needle at a point lower in proximity to the damaged site and thread the needle up to the proper position in the vein
What are the one most common stress factors that need to be taken into account when performing a blood draw on an infant to toddler age group?
Unfamiliar people, places, and sounds
What is the site of choice when needing a capillary blood draw on an infant?
The heel, the site should be on the plantar surface medial to a line drawn posteriorly from the middle of the great toe to the heel, or lateral to a line drawn posteriorly from between the fourth and fifth toes to the heel
What is the normal total white blood cell count for males and females?
4,500 to 11,000 per millimeter
A light-blue topped evacuated container needs to be drawn, the tube shouldn't be filled any more than plus or minus
10 percent
In an elderly patient, the tourniquet can be placed where to minimize the possibility of tearing the skin or significant bruising?
Over the sleeve
This brand is used to pacify an infant during a procedure. It is sugar-counted and can be sucked on.
Sweet-ease
If you are drawing a 10 mL evacuated tube and you notice that the blood has stopped or the vein has collapsed. What can you do to limit the possibility of this happening?
draw three 3 mL tubes to obtain 9 mL
What can an ESR (erythrocyte sedimentation rate) detect?
Gives the health care provider an idea of how much inflammation is occurring in a patient’s body in response to a disease condition
What can be caused if the evacuated tube is beyond the expiration date and you send it to the lab?
The lab can reject the tube and inform the clinic
What two things are essential in providing excellent customer service in Phlebotomy?
Concerns for the patients safety and comfort
What is the preferred venipuncture site that we can use on a newborn to an infant less than 2 years of age?
Dorsal hand vein