Why Does the Injection of a Viral Pathogen Weakened to Prevent

question 27

Multiple Choice

Why does the injection of a viral pathogen weakened to prevent causing the infection, still provide long-term immunity in a patient? (Select all that apply)

• A) the epitopes of a weakened viral pathogen are still able to bind lymphocyte receptors
• B) the weakened viral pathogen is able to generate T_C cells
• C) the weakened viral pathogen will generate the specific memory cells needed for lifelong immunity
• D) weakened viral pathogens trigger T_R cell activity

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Definitions:

Mixture

A substance made by combining two or more different materials without chemical bonding or other chemical changes, so that each material retains its own properties.

Pounds

A unit of weight commonly used in the United States and the British imperial system, equivalent to 0.453592 kilograms.

Consistent

In the context of systems of equations, a property indicating that the system has at least one solution.

Inconsistent

Describes a system of equations that has no solution because the equations represent parallel lines which never intersect.