Psychiatric Mental Health Nursing Practice Questions Related

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Which symptom should a healthcare provider identify as typical of the fight-or-flight response?

  • A. Pupil dilation
  • B. Increased heart rate
  • C. Decreased salivation
  • D. Decreased peristalsis
Correct Answer: B

Rationale: The correct answer is B: Increased heart rate. During the fight-or-flight response, the sympathetic nervous system is activated, causing the release of epinephrine. This hormone triggers an increase in heart rate to supply more blood to the muscles for a rapid response. Pupil dilation occurs to enhance vision in preparation for quick reactions. On the other hand, salivation and peristalsis decrease as the body prioritizes functions necessary for immediate action rather than digestion-related activities. Therefore, choices A, C, and D are incorrect as they do not align with the typical physiological changes associated with the fight-or-flight response.