Which of the following is an example of a physical stressor on the body?

• A. Experiencing social rejection
• B. Exposure to extreme temperatures
• C. Worrying about an upcoming exam
• D. Feeling nervous before public speaking

Answer: (B)

Verified step by step guidance

1. Step 1: Understand the concept of a physical stressor. A physical stressor refers to any external condition or stimulus that directly affects the body's physiological state, such as temperature, injury, or physical exertion.
2. Step 2: Review each option and classify it as either a physical or psychological stressor. Psychological stressors involve mental or emotional challenges, such as social rejection, worry, or nervousness.
3. Step 3: Identify 'Experiencing social rejection' as a psychological stressor because it involves emotional and social factors rather than direct physical impact.
4. Step 4: Recognize 'Worrying about an upcoming exam' and 'Feeling nervous before public speaking' as psychological stressors since they involve cognitive and emotional responses to anticipated events.
5. Step 5: Determine that 'Exposure to extreme temperatures' is a physical stressor because it directly affects the body's physical state by challenging its ability to maintain homeostasis.