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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