Question

Which of the following are involved in sympathetic nervous system activation?

• A. Inhibited salivation
• B. Increased heart rate
• C. Inhibited digestion
• D. Constricted pupils

Hint:

Remember: sympathetic activation speeds up the body, parasympathetic calms it down.

Answer 1

The Correct Option is A, B, C

Step 1: Understanding the sympathetic nervous system.
The sympathetic nervous system prepares the body for “fight or flight” responses during stress or emergencies.
Step 2: Analysis of options.
(A) Correct: Salivation is reduced as bodily resources are redirected.
(B) Correct: Heart rate increases to supply more oxygen to muscles.
(C) Correct: Digestive activity is inhibited during sympathetic activation.
(D) Incorrect: The sympathetic system causes pupil dilation, not constriction.
Step 3: Conclusion.
The correct physiological responses associated with sympathetic activation are (A), (B), and (C).
Final Answer: (A), (B), (C)