Row 1
What is an advantage of completing laboratory tests in the physician’s office laboratory (POL)?
Turnaround time is faster for finding out results.
When a patient is afraid of needles, what suggestions might you make to help ease the patient's fears?
See the magazine in the rack on the wall to focus on that while I draw the blood.
Where are the focus controls on a microscope located?
The arm.
The butterfly system is used for patients with _________________
Small or fragile veins.
What is a centrifuge?
A device for spinning a specimen at high speed until it separates into its component parts.
What color stopper tube contains a clot activator?
Red tube
Which part of an optical microscope is the platform on which the specimen slide rests?
Stage
The hemoglobin A1c test reflects blood glucose levels over what period of time?
3 months
What is the purpose of the quality assurance program?
It is designed to monitor the quality of patient care a medical laboratory provides.
In tests for which the use of alcohol may result in inaccurate test results, which chemical may be used to prepare the skin before venipuncture?
Povidone-iodine
Define hemolysis.
Rupturing of red blood cells.
An erythrocyte (RBC) count is used to identify __________.
Anemia
Uses light, concentrated through a condenser and focused through the object being examined, to project an image?
Optical microscope
What step is important when drawing blood from an elderly patient?
Have the patient elevate her arm after removing the needle.
Electrolyte studies tests are collected in what color stopper tube?
Green stopper
What is a photometer?
Measures light intensity and is a basic electronic component of many pieces of analytic laboratory equipment.
What instructions are given as part of the preparation for a glucose tolerance test?
Instruct the patient to eat a high-carbohydrate diet for 3 days before the procedure.
11 to 15 seconds is the normal range for which blood test?
Normal prothrombin time (PT)
Define plasma
The liquid or fluid portion of the blood.
What is characteristic of an oil-immersion objective?
It is used for specimens that need very high magnification.
What is the normal range of potassium found in the blood?
3.5 to 5.1 mEq/L
When testing specimens that may be contaminated with blood-borne or other pathogens, which of the following would apply?
Avoid working when you have cuts, lesions, or sores on your hands.
What are the most common sites for venipuncture?
Median cubital and cephalic veins.
Which two tests are used to confirm HIV infection?
Enzyme-linked immunosorbent assay (ELISA) and Western blot tests
Which blood test is used to identify heart disease?
Creatine kinase (CK)