*A butterfly collection system generally uses a _____________ needle.
23
Which of the following is part of the preparation for a glucose tolerance test?
Instruct the patient to eat a high-carbohydrate diet for 3 days before the procedure.
The description of whole blood is __________.
the total volume of plasma and formed elements
Which tests require the use of a collection tube with a green stopper?
Electrolyte studies
Which of the following is the liquid or fluid portion of the blood?
Plasma
*A blood collection tube with a lavender stopper is selected for _____________ studies.
*hematology
Which of the following items forms the first line of defense during a phlebotomy procedure?
Gloves
Which of the following would you include when performing venipuncture using an evacuation system?
Penetrate the vein wall to a depth of 1/4 to 1/2 inch.
Which of the following refers to the study of the shape or form of objects?
morphology
Which of the following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?
hematocrit determination
Which of the following is the term for red blood cells, white blood cells, and platelets?
formed elements
An erythrocyte (RBC) count is used to identify __________.
Anemia
Which of the following blood tests is completed using a stained blood smear?
manual differential cell count
*A blood collection tube with a gray stopper is used to obtain blood for a blood _____________ test.
*glucose test
Which of the following would you include when performing venipuncture using an evacuation system?
Penetrate the vein wall to a depth of 1/4 to 1/2 inch.
The hemoglobin A1c test reflects blood glucose levels over what period of time?
3 months
Which of the following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?
hematocrit determination
In tests for which the use of alcohol may result in inaccurate test results, which of the following chemicals may be used to prepare the skin before venipuncture?
povidone-iodine
Which of the following refers to the rupturing of red blood cells?
Hemolysis
*A light blue-stoppered blood collection tube is selected for _____________ studies.
*coagulation
Which procedure for obtaining a blood sample is usually performed on the middle finger or the ring finger?
Capilary puncture
Which of the following identifies how much of the volume of a sample is made up of red blood cells after the sample has been spun in a centrifuge?
hematocrit determination
After how many unsuccessful attempts at obtaining a good blood sample should you seek assistance from your supervisor or the licensed practitioner?
2