A Flu Vaccine Is Needed Seasonally to Be Effective but a Polio

question 57

Multiple Choice

A flu vaccine is needed seasonally to be effective but a polio vaccine is only needed once.The best explanation of this is ________.

• A) the flu vaccine is substantially weaker than the polio vaccine
• B) exposure to flu vaccine produces no memory cells from proliferating B-lymphocytes
• C) the polio virus is substantially weaker than the flu virus
• D) the flu has several strains that change seasonally

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Definitions:

Performance Objectives

Specific, measurable goals set to evaluate the effectiveness and outcomes of activities within an organization.

Systematic Way

An organized, methodical approach to solving problems or completing tasks.

Participatory Planning

A process that involves all stakeholders, including employees, in the planning process to ensure their ideas and needs are considered.

Scarce Resources

Limited availability of resources that are necessary for humans or an organization to meet its needs or to achieve its goals.