Pre-Analysis in the Laboratory

1. What is the term used to describe a blood sample with excess bilirubin, which can cause a yellow appearance?

• Hemolyzed

• Icteric

• Lipemic

• Hemoconcentrated

1. What is the anticoagulant of choice for hematologic counts and morphology tests?

• Citrate

• Heparin

• EDTA

• Sodium Fluoride-Oxalate

1. Which of the following is NOT a common pre-collection variable that can influence test results?

• Age

• Blood Collection Technique

• Diet

• Exercise

1. What is the most error-free method for ordering laboratory tests?

• Verbal Request

• Written Request

• Online Order Entry

• Text Message

1. What does the mnemonic "Royal Purple Top, Big Green Monster, etc." refer to?

• Types of Laboratory Equipment

• Order of Draw for Blood Collection

• Safety Precautions in the Laboratory

• Different Body Fluid

Refrigerating a blood sample is always necessary for proper pre-analysis.

• True

• False

A clot activator is an additive present in all blood collection tubes.

• True

• False

Hemodilution refers to an increase in the concentration of red blood cells.

• True

• False

Patients should always be fasted before any blood test.

• True

• False

The Laboratory Information System (LIS) tracks patient medications.

• True

• False