Which of the following occurs when we receive an unexpected outside stimulus?

• A. The body activates the fight-or-flight response, leading to increased heart rate and heightened alertness.
• B. Cognitive processing slows down and attention to the environment decreases.
• C. The body immediately enters a deep state of relaxation and reduced physiological activity.
• D. There is a decrease in adrenaline production and lowered blood pressure.

Answer: (A)

Verified step by step guidance

1. Understand that an unexpected outside stimulus typically triggers an automatic physiological and psychological response designed to prepare the body for potential danger or challenge.
2. Recall the concept of the 'fight-or-flight' response, which is a well-known reaction to sudden stressors or threats, involving activation of the sympathetic nervous system.
3. Recognize that this response leads to increased heart rate, heightened alertness, and the release of adrenaline, all aimed at preparing the body to either confront or escape the threat.
4. Contrast this with other options such as cognitive slowing, relaxation, or decreased adrenaline, which do not align with the body's immediate reaction to unexpected stimuli.
5. Conclude that the correct response to an unexpected outside stimulus is the activation of the fight-or-flight response, characterized by physiological arousal and increased alertness.