Proper Mixing of Samples and Timely Delivery of Samples to the Laboratory

question 16

Multiple Choice

Proper mixing of samples and timely delivery of samples to the laboratory are both examples of:

• A)Delta checks
• B)Postanalytic variables
• C)Preanalytic variables
• D)Reflex testing

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Definitions:

Sandstone

a sedimentary rock consisting primarily of sand-sized minerals or rock grains, most commonly quartz.

Limestone

A type of sedimentary rock, primarily composed of calcium carbonate, often formed from the remains of marine organisms.

Shale

A fine-grained sedimentary rock formed from clay and silt-sized particles, often easily split into thin, parallel layers.

Impermeable Layers

Geological strata that do not allow the passage of water or fluids due to their tightly packed nature.