If Paired Specimen Testing Reveals That the Titer of Rubella

question 4

Multiple Choice

If paired specimen testing reveals that the titer of rubella antibody is the same,the results indicate that the:

• A) patient was previously immunized.
• B) acute specimen was taken after the titer of antibody was at a maximum concentration.
• C) convalescent specimen was taken too early.
• D) both a and b

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Definitions:

Methane

A simple hydrocarbon with the formula CH4, it is the main component of natural gas and a potent greenhouse gas.

Lewis Structure

A graphical representation of the electron distribution around atoms and the chemical bonds that hold the atoms together.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of most living organisms.

Lewis Structure

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.