In the context of stress, what is a trigger in the environment that signals a need for adaptation or response?

• A. A coping mechanism
• B. A reinforcement
• C. A defense mechanism
• D. A stressor

Answer: (D)

Verified step by step guidance

1. Understand the concept of stress in psychology, which involves a response to demands or challenges in the environment.
2. Identify that a 'trigger' in the context of stress refers to an external or internal event that signals the body or mind to react or adapt.
3. Recognize that a 'stressor' is defined as any stimulus or event that causes stress by signaling a need for adaptation or response.
4. Differentiate between related terms: a coping mechanism is how one manages stress, a reinforcement relates to learning processes, and a defense mechanism is an unconscious psychological strategy.
5. Conclude that the correct term for an environmental trigger signaling the need for adaptation or response in stress is a 'stressor'.