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Questions and Answers
What type of needle is used in the Syringe Method?
Double-sided needle
What is the primary advantage of the POCT method?
Smaller amount of blood
What is the name of the system used in the Vacutainer Method?
Multi-draw System
What is the purpose of the 'hub' in the Vacutainer Method?
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What is the range of syringe capacities available in the Syringe Method?
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What is the relationship between needle gauge and needle length in the Syringe Method?
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What type of fixative is used in Histology?
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What type of analysis is performed on urine samples?
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What is the anticoagulant used in a gray top blood tube?
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Which blood tube is used for a CBC/FBC?
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What is the purpose of a blue top blood tube?
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Which department is responsible for performing glucose tests?
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What is the anticoagulant used in a green top blood tube?
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Which blood tube is used for lipid profile tests?
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What is the purpose of a red top blood tube?
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Which department is responsible for performing renal function tests?
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What is the purpose of a yellow top blood tube?
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Which blood tube is used for hematology tests?
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Study Notes
Laboratory Samples
- Blood samples can be collected through arterial puncture, venipuncture, or capillary puncture
- Non-blood samples include stool, urine, sputum, semen, and other bodily fluids
Blood Collection Methods
- Syringe method: uses a slip tip or Luer lock syringe with needles of varying gauges and lengths
- Vacutainer method: uses a double-sided needle and a vacuum-dependent system
Blood Tubes
- Anti-coagulated tubes:
- Gray top (sodium fluoride/potassium oxalate): used for glucose tests
- Purple top (EDTA): used for CBC, ESR, and other hematology tests
- Blue top (sodium citrate): used for coagulation tests (PT, PTT, INR, D-dimer)
- Green top (lithium heparin): used for chemistry tests (electrolytes, enzymes, etc.)
- Non-anti-coagulated tubes:
- Red or yellow (SST) top: used for lipid profiles, renal function tests, and liver function tests
Common Laboratory Tests
- Clinical Chemistry:
- Glucose (FBS, RBS, FBS & 2HRPP, GTT)
- Lipid profile (cholesterol, triglycerides, HDL)
- Renal function tests (BUN, creatinine, uric acid, electrolytes)
- Liver function tests (SGOT, SGPT, ALK PHOS, GGT, bilirubin, etc.)
- Hematology:
- CBC/FBC
- ESR
- Sickle cell test
- Hemoglobin
- Immunology:
- HIV
- Hepatitis A, B, and C
- Dengue fever
- Toxoplasmosis
- Rubella
- Measles
- Herpes simplex virus
- CMV
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Description
This quiz covers the different methods of collecting laboratory samples, including arterial puncture, venipuncture, and capillary puncture. It also touches on specialized and point-of-care testing. Test your knowledge of blood and non-blood sample collection!
