Florida Child Protection Investigator (CPI) Certification Practice Test

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Prepare for the Florida Child Protection Investigator Certification Test. Practice with flashcards and multiple choice questions, each complete with hints and explanations. Gear up for your certification exam!

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What hormone is primarily responsible for activating the body's "fight or flight" response?

Adrenaline
Love
Growth hormone
Cortisol

The correct answer is: Cortisol

The hormone primarily responsible for activating the body's "fight or flight" response is adrenaline, also known as epinephrine. This hormone is produced by the adrenal glands and plays a critical role in the body's immediate reaction to stress. During a perceived threat, adrenaline increases heart rate, blood flow to muscles, and energy availability, all of which prepare the body for rapid response, whether to confront or escape the danger. Cortisol, while involved in the stress response, works more as a longer-term hormone that helps regulate various bodily functions, including metabolism and immune response, during prolonged stress. However, it does not activate the immediate physiological changes associated with the fight or flight response as directly and rapidly as adrenaline does. Understanding the distinction between these hormones enhances comprehension of how the body responds to acute stress versus chronic stress.