As a Result of Playing Tennis in the Summer Heat

question 32

Multiple Choice

As a result of playing tennis in the summer heat without proper hydration, you have become very dehydrated. You are now in hypernatremia, a condition where your blood sodium levels are too high. Your brain tells you to drink water and, as a result, your blood sodium and hydration levels go back to normal. This illustrates

• A) positive feedback.
• B) stimulus reinforcement.
• C) negative feedback.
• D) diagnostic regulation.
• E) both positive and negative feedback loops.

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Definitions:

Function

A relationship or expression involving one or more variables, where each input value has exactly one output value.

Simplify

To reduce a mathematical expression or equation to its simplest form by performing operations and combining like terms.

Evaluate

To calculate the numerical value of an expression or determine the result of an equation.

Function

A function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.