If an Instrument Has Been Sanitised

question 15

Multiple Choice

If an instrument has been sanitised

• A)it has been cleaned but not necessarily disinfected or sterilised.
• B)it is completely free of all microorganisms and spores.
• C)the number of microbes on it has been reduced to an acceptable level.
• D)it has been subjected to a chemical that disinfects but doesn't sterilise.
• E)it is no longer contaminated.

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Definitions:

Unfractured Granite

A type of igneous rock, characterized by its large crystals and lack of cracks or fractures, often used in construction due to its strength.

Fine-Grained Sediment

Sediment that consists of tiny particles and fragments, such as clay or silt, which are often transported by water or wind and deposited in calm environments.

Permeability

Permeability is a measure of how easily a fluid can move through a porous material, such as soil or rock, indicating the material's ability to transmit water or other fluids.

Compacted Clay

Clay soil that has been compressed, often leading to reduced water infiltration and aeration.