Urine
What are some things that are checked in a urine dipstick test?
Glucose, protein, bacteria, ketones
What are some things a throat swab can detect?
Strep, fungal infections, some STDs.
What is the order of the draw?
Blue, Red, Green, Lavender, Gray
How many sites are used for blood cultures?
Two different sites 15 minutes apart.
What tests are performed from a gray top?
Lactic acid
True or false. A pregnancy test can only be done by a blood test.
False
What test can be done by using a buccal (cheek) swab?
DNA studies, drug tests
When are blood cultures to be drawn?
Blood cultures are always drawn first before any other tubes.
What tests are performed from a blue tube?
PT/PTT, D-dimer
Why does a gray top tube need to be on ice?
Lactic acid will continue to build up in the specimen if not placed on ice.
What can malodorous urine suggest?
Infection
Which way does the bevel need to be pointed in phlebotomy?
Always pointed up
Why is a blue tube volume dependent?
The blood to heparin ratio must be correct for testing.
What tests are performed from a red tube?
Pregnancy, acetone, holding for other tests.
Name and birth date.
What can dark, concentrated urine suggest?
Dehydration, kidney failure.
What is unique about the size of needles?
The smaller the gauge number, the bigger the needle.
What kind of organisms will grow in an orange/yellow top blood cultures tube?
Bacteria that do not need oxygen
What tests are performed on a purple top?
CBC, Hemoglobin A1C
What is the first thing you should do upon entering a patient room?
Wash your hands
What color should normal urine be?
Straw to clear yellow.
Why are tubes drawn in a particular order?
To prevent contamination of the specimen
How many blood culture tubes are drawn on pediatric patients?
Only one from each site.
What tests are performed on a green top tube?
Complete metabolic profile, Basic metabolic profile, Ammonia
What happens if you shake the specimen tube instead of a gentle inversion?
The blood cells will hemolyze and the specimen will need to be redrawn.