Row 1
Define phlebotomy.
Withdrawing blood from a vein.
The optical microscopes used in physicians' office laboratories usually have __________ objectives.
Three
Which blood collection device uses interchangeable collection tubes that are calibrated to collect the exact amount of blood required?
Evacuation system.
What is morphology?
The study of the shape or form of objects.
What is the focus of a quality control program?
To ensure accuracy in test results through careful monitoring of test procedures.
What is an autoclave used for?
Sterilization, or eradication of all organisms on the surface of instruments and equipment before they can be used on patients or in a procedure.
The normal fasting blood glucose level is __________.
74 to 120 mg/dL
What is an artifact?
A foreign object that is visible through a microscope, but is unrelated to the specimen and may be misinterpreted when the specimen is examined.
What are whole blood samples used to identify problems with the count, size, or shape of blood?
Hematologic test
The normal blood calcium level is __________.
8.6 to 10.0 mEq/L
What is included in the guidelines for Standard Precautions?
Wear eye protection and face masks when there is a risk that droplets or spray may come in contact with your eyes, nose, or mouth.
What part of an optical microscope contains a magnifying lens?
Objective
When performing venipuncture using an evacuation system, how far do you penetrate the vein?
1/4 to 1/2 inch.
Gout can be identified by which of type of blood test?
Uric acid
Support and position the specimen and prevent contamination of the microscope by the specimen.
Coverslip and slide.
Fasting blood glucose tests are collected in which color stopper tube?
Gray stopper
If a patient refuses to allow you to draw her blood, What should you do?
Report her refusal to your supervisor or the physician and make a note in her chart.
What are reagents?
Chemicals or chemically treated substances used in test procedures.
When a patient states that she normally gets a large bruise when they draw her blood, how do you respond to the patient?
"Some bruising is possible, but I will do everything possible to minimize it."
Total cholesterol can help identify which disease?
Coronary artery disease and atherosclerosis.
What is a hematocrit determination?
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.
Define hemophilia.
A disorder in which the blood does not coagulate at a wound or puncture site.
Which blood test screens for an inflammatory process?
Erythrocyte sedimentation rate (ESR).
What test is used to identify kidney disorders?
A blood urea nitrogen (BUN) test.
What are formed elements?
The term used for red blood cells, white blood cells, and platelets.