Best Guess
Restriction of the flow of oxygen-rich blood to a part of the body is referred to as what?
Ischemia
What blood test is used to monitor Coumadin/Warfarin effects?
PT
A CCMA providing patient education should identify what type of blood vessels as the smallest, containing both oxygenated and deoxygenated blood?
Capillaries
Which color tube would a CMA use to obtain a serum sample?
Red-stopper
What is the purpose of inverting an evacuated tube after a medical assistant performs a venipuncture?
For proper mixing of the additive contained in the tube and the specimen
What accounts for more than half of the white blood cells?
Neutrophil
What test must be placed on ice?
NH4 (Ammonia)
Which of the following actions is correct when performing a capillary puncture?
A. Wipe away the first few drops of blood after puncturing.
B. Apply even pressure to the finger during the collection.
C. Puncture the index finger at the tip.
D. Double puncture the finger to ensure adequate flow.
B. Apply even pressure to the finger during the collection.
Which tube contains the additive EDTA (ethylenediamine-tetraacetic acid)?
Lavender-stopper
Which additive must be present in a tube drawn for a PT/INR test?
Sodium citrate
A medical assistant is performing a rapid streptococcal test. The medical assistant should take the specimen from which area of the body?
Pharynx
What is a test performed on all newborns?
PKU
Which of the following is correct regarding the collection of a newborn screening sample?
A. Wipe away the first drop of blood before collecting sample
B. The puncture should be performed on the 3rd or 4th digit of the hand
C. Touch the card directly to the skin surface to collect sample
D. Process the card immediately before the blood dries
A. Wipe away the first drop of blood before collecting sample
A provider has ordered a complete blood count, liver panel, and protime for a pediatric patient. What color microcontainer should the medical assistant fill first when performing a capillary collection?
Lavender
What additive is found in a blood collection tube with a light green stopper?
Heparin
What is plasma?
It is the fluid portion of unclotted blood
Which of the following is a coagulation test?
A. hCG
B. CBC
C. PT/INR
D. PKU
PT/INR
Which digit(s) can be used to obtain a capillary sample?
Third or fourth
A patient needs a CBC and PT/INR drawn. What color tubes are needed and in what order must they be drawn?
Light blue and lavender
Hemoglobin A1C assay should be collected in a tube containing what additive?
EDTA
What is normal fasting glucose?
60 - 110 mg/dL
What action should a medical assistant take when performing a capillary finger stick on a 1-year-old patient to assist the child and help the parent?
Have the parent hold the child during the procedure.
What is used to puncture the skin to perform a finger stick glucose level?
Lancet
What color tube contains the additive oxalate?
Gray
How many times should the CCMA invert a lavender-stopper blood collection tube?
8-10