Chapter 3 Flashcards
What is serum potassium?
Potassium helps in function of cells and muscles. Relevant to cardiac
Function.
How much of blood is plasma? In percent?
55%
What is 45% of blood made up of?
Red blood cells (hemoglobin)
What in blood is less than 1%?
White blood cells/platelets
What is serum made up of?
Everything in plasma except for the clotting factor
What is in plasma and their percentages? (3)
- Water 90%
- Protein 8%
- Hormones 2%
What is included in the hormones portion of blood? (3)
- Insulin
- Electrolytes
- Nutrients
Why are tubes color coded?
Depending on the additive
What do anticoagulants do?
Prevent clotting
Why are tubes drawn in a particular order?
To prevent contaminating later tubes
What does CBC stand for?
Complete blood count
What is the order of the draw? 8
- Yellow SPS
- Light blue
- Gold, red tiger top, red, orange
- Green, green tiger top
- Lavender, purple
- White
- Gray
- Others
What does AC stand for?
Anti-coagulant
What is SST?
Used for serum blood to clot. No additives. Serum separator tube
What does PST stand for?
Plasma separator tube
What is creatinine?
Protein in the body caused by muscle breakdown. Can indicate kidney dysfunction or MS
What is a PTT test? What is it for?
Partial thromboplastin time. Monitors heparin dosages
What is a PT test and what is it used for?
Prothrombin time test. Aid in diagnosing liver
What is HbA1c and what does it test?
Hemoglobin A1c/glycated hemoglobin test/glycohemoglobin. Tests glucose
What do Serum chemistries do?
Check Chem 7. Basic metabolic panel
What does the blood urea nitrogen (BUN) do?
A measure of kidney function
What is aerobic?
Bacteria that lives in the presence of oxygen
What is anaerobic?
Bacteria that lives in the absence of oxygen.
What is sodium for? 6
Values are indication of
- kidney function,
- diet,
- hydration,
- endocrine function and various types of trauma,
- bleeding and
- water retention problems
What is in the Orange tube?
Thrombin based clot activator
What is in the green tube?
Sodium or lithium heparin
What is the additive for in the green top?
Anticoagulant
What is the sample in the green top used for?
Plasma chemistry and electrolytes.
What is a common lab test for the green top tube?
Lactate - plasma tube
What is the additive for the green tiger top?
Lithium heparin - separation gel
What does the separation gel of the green tiger top do?
Separates plasma from blood cells
What additive is in the lavender topped tube?
K3EDTA (glass)
What additive is in the purple topped tube?
K2EDTA (plastic)
What type of additive is in the lavender and purple tubes?
Anticoagulant
What are the samples in the lavender and purple used for?
CBC
What additive is in the light blue topped tube?
Sodium nitrate
What is the type of additive is in the light blue topped tube?
Reversible anticoagulant
What is the sample for the light blue topped tube used for?
Coagulation testing; plasma
What happens in the light blue topped tube? Notes?
Protects all procoagulants
What are some common lab tests for the light blue topped tube? 4
PT, PTT, fibrinogen, PT/INR
What is the yellow SPS used for?
Blood cultures
What is the yellow ACD tube used for?
Genetic DNA testing.
What is the sample in the black topped tube used for?
Erythrocytes (red blood cells) sedimentation rate
What another name for erythrocyte sedimentation rate?
Westergren sedimentation rate
What is the tan topped tube used for?
Testing lead levels
What is the additive for the white tubes and what is it used for?
K2EDTA , separation gel
What are the notes for the white tube?
Plasma based testing performed on proteins.
What is the pink tube used for?
Used in blood typing
What are the additives for the gray tube? 3
- Sodium fluoride and potassium oxalate or
- Sodium fluoride and Na2EDTA or
- Sodium fluoride
What type additive is in the gray tube?
Anticoagulant
What is the gray tube sample used for?
Plasma glucose testing
What are the notes for the gray tube? 2
- Preserves glucose for 1-5 days
2. Hemolysis in partially full tubes
What type of additive is used for the royal blue topped tube?
Low trace-element testing
What is the royal blue tube used for?
Trace metal analysis
What are the special instructions for the clear/light gray/red/red tiger topped tubes?
Discard first tube to get out air. Use second tube
What is K2E?
Dipotassium salt
What is K3E?
Tripotassium salt
What is the difference between k2e and k3e?
One molecules
What is N2E?
Disodium salt
How many times do you invert the light blue tube?
3-4 times
How many times do you invert the Orange, gold, red, red tt?
5-6 times
What colors are inverted 8-10 times?
All others
What is red tiger top also known as?
SST-serum separator tube
What is green tiger top also known as?
PST-plasma separator tube
What does CBC c mean?
With the differential
What does CBC s mean?
Without the differential