Laboratory Samples: A Diagrammatic Overview

What is the color of the blood tube used for collecting non-anti-coagulated blood samples?

Which type of fluid is collected in a BLUE-topped blood tube?

What is the purpose of the GREEN-topped blood tube?

Which of the following is NOT a type of fluid collected in a YELLOW-topped blood tube?

What is the purpose of the GRAY-topped blood tube?

What is the common issue with SWABS samples?

What type of blood sampling is associated with a higher risk?

Which of the following is a characteristic of the Vacutainer method?

What is the primary advantage of POCT compared to other blood sampling methods?

What is the typical gauge of needles used for blood sampling?

Which of the following is NOT a type of non-blood laboratory sample?

What is the typical volume of syringes used for blood sampling?

What is the primary purpose of Urinalysis?

What is the typical fixative used in Histology?

Blood Samples

Arterial blood samples can be collected via P.Venipuncture
Capillary blood samples can be collected via Direct or Indirect methods
Specialized blood samples have a higher risk and require more invasive procedures
POCT (Point of Care Testing) blood samples are less invasive and safer

Blood Collection Methods

Syringe Method: uses slip tip or Luer Lock syringes with various capacities (3, 5, 10, 20, 60 CC)
Syringe Method: uses needles with different gauges (18, 20, 21, 22, 23, 25) and lengths (1 inch or 1.5 inch)
Vacutainer Method: uses a double-sided needle and vacuum dependent system
Vacutainer Method: may result in potentially adequate volumes, but has a high incidence of inadequate volumes

Blood Tubes

Anti-coagulated blood tubes (Plasma): Gray, Purple, Blue, Green (and others)
Non-anti-coagulated blood tubes (Serum): Red, Yellow (SST)

Non-Blood Samples

Urine samples: used for Urinalysis, m/c/s, and 24hr analysis
Stool samples: used for OBR, OCP, M/C/S, and MAU analysis
Sputum samples: used for microbiological analysis
Semen samples: used for microbiological analysis
Swab samples: used for microbiological analysis (hvs, throat, wound, rectal, etc.)
Fluid samples: used for analysis (synovial, pleural, CSF, etc.)
Histology samples: require 10% Formalin
Cytology samples: require specific preparation and analysis

This quiz covers the different types of laboratory samples, including blood and non-blood samples, with a focus on collection methods and categorization.