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The substances studied in diagnostic tests are called what
Analytes
Formed elements make up
Just under half; 45%
What type of needle is used in a winged collection set
With syringe and a 23 gauge needle
When can urine testing be done
Any time
Specimens are usually centrifuge for how many minutes
10- 15 minutes
Many labs use software known as
Laboratory information system
Exchanges of oxygen and CO2 and of nutrients and waste products take place between the blood and the cells in areas called
Capillary beds
Which blood is considered the universal donor
Orh-
This system of classifying blood types is called
ABO blood group system
Buffy coat is formed during a centrifuge that has been treated with
Anticoagulant
T AND B CELLS are a type of
Lymphocyte
When an injury heals a process called _______ breaks down the clot
Fibrinolysis
The systemic circuit sends blood where
Throughout the body
Drawn out by suction usually through a needle inserted into the body
Aspirated
Which types of draws require a doctors written permission
Ankle or foot
People with blood type A have what?
- A antigens
- anti b antibodies
- RH factor
A swab can be used to collect what specimen?
Buccal
What is the most common among formed elements
Erythrocytes
What type of tests reduces contamination of the specimen
Clean catch urine specimens
Deoxygenated blood from the ______ through the ____?
Heart ; lungs
This test is routinely performed during pregnancy
Glucose challenge test
In some states, having what is implied consent for blood alcohol testing
Drivers license
what enzyme controls platelet response
thrombin
Errors that occur before a specimen is tested are called
Preanalytical errors
Red top tubes are often used for _____
Serology tests