Which of the Following Statements About Vaccinations Given to Humans

question 71

Multiple Choice

Which of the following statements about vaccinations given to humans is true?

• A) The vaccination acts as the first exposure to a virus,allowing the much more effective second exposure response to occur when the virus actually infects the body.
• B) A vaccination primes the body so that it will no longer respond to an invasion by a virus.
• C) There is a chance of a person's getting the disease from a vaccination,because vaccination involves the injection of the entire living disease organism.
• D) Vaccinations prime the virus so that the virus will not kill as many body cells as it would in a nonvaccinated person.

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Definitions:

Control Contacts

Components in electrical devices that make or break the electrical connection, often used in relays, switches, and circuit breakers to control the flow of electricity.

Manual Motor Starters

Devices designed to manually switch on and off motors while providing overload protection to prevent motor damage.

Motor Starters

Devices engineered to control the electrical current for starting and stopping motors to protect them from damage.

Contactor Unit

A contactor unit is an electromechanical switch used for switching an electrical power circuit, similar to a relay but with higher current ratings.