A Vaccine Is Effective Because ________

question 85

Multiple Choice

A vaccine is effective because ________.

• A) B-lymphocytes are unable to mount an immune response the first time they are exposed to a new pathogen
• B) the secondary response of the adaptive immunity is faster and more efficient the primary response
• C) the vaccine contains the lymphocytes necessary to fight infection
• D) the vaccine contains the antibodies necessary to fight infection

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Definitions:

Formula

A formula is a mathematical equation or rule expressed in symbols.

Arithmetic Sequence

An ordered series of numbers where each number following the initial one is derived by adding a fixed difference to the term before it.

Nth Partial Sum

The sum of the first n terms in a sequence, often used in the context of series.

Partial Sum

The summation of a portion of a series of numbers, often used in the context of infinite series.