Which response is NOT part of sympathetic activation?

• A. Increased digestive activity
• B. Increased heart rate
• C. Bronchodilation
• D. Dilation of pupils

Answer: (A)

Verified step by step guidance

1. Understand the role of the sympathetic nervous system: The sympathetic nervous system is part of the autonomic nervous system responsible for the 'fight or flight' response, which prepares the body for stressful or emergency situations.
2. Identify typical responses of sympathetic activation: Common responses include increased heart rate, bronchodilation (widening of the airways), and dilation of pupils, all of which help the body respond to stress more effectively.
3. Consider the function of each response: Increased heart rate helps pump more blood to muscles, bronchodilation allows more air into the lungs, and pupil dilation improves vision by allowing more light into the eyes.
4. Evaluate the role of digestive activity: During sympathetic activation, the body prioritizes functions that are critical for immediate survival, often reducing non-essential functions like digestion.
5. Determine which response is not typical: Since increased digestive activity is not aligned with the body's need to prioritize immediate survival functions, it is not a typical part of sympathetic activation.