How Is a 40:1 Ratio of Serum to Cells Prepared

question 17

Multiple Choice

How is a 40:1 ratio of serum to cells prepared for the AHG test?

• A) 5 drops of serum + 1 drop of a 5% v/v RBC suspension
• B) 1 drop of serum + 1 drop of a 5% v/v RBC suspension
• C) 2 drops of serum + 1 drop of a 5% v/v RBC suspension
• D) 1 drop of serum + 5 drops of a 5% v/v RBC suspension

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Definitions:

Electron Orbits

Paths around the nucleus of an atom that electrons follow, determined by the electron's energy level.

Nucleus Collision

An interaction where two atomic nuclei come into close contact and may result in a nuclear reaction or fusion, often studied in physics.

Atomic Element

A pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.

Electrical Conductivity

A measure of how well a material allows the flow of electric current through it.