Grass Pollen Causes Some People to Sneeze Because of the Effect

question 192

Multiple Choice

Grass pollen causes some people to sneeze because of the effect of the allergen on the immune system, which treats it as a foreign invader. In this example, what is the proximal stimulus?

• A) the grass pollen
• B) the allergen
• C) the immune system's response to the allergen
• D) the particular season of the year

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Definitions:

Timer Program

A software routine that allows a computer or device to execute a function or event after a specified interval of time.

Timer Starts

The initiation of a countdown or count-up process in programming or electronic circuits, used for timing operations.

Counter Program

A software or embedded logic in PLC systems designed to count instances, events, or operations, often used for automation and control tasks.