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Physiology of stress

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Question 3

The statements below (A–E) describe the physiological processes involved in the body's response to acute and chronic stress via the Sympathomedullary (SAM) pathway and the Hypothalamic-Pituitary-Adrenal (HPA) axis.

Which two of these statements are false?

  • A: The adrenal cortex secretes glucocorticoids, such as cortisol, in response to stimulation by ACTH.
  • B: Corticotropin-releasing hormone (CRH) is secreted by the anterior pituitary gland to act directly on the adrenal medulla.
  • C: Activation of the sympathomedullary (SAM) pathway results in increased gastrointestinal activity and salivation.
  • D: The sympathetic nervous system stimulates the adrenal medulla to secrete adrenaline and noradrenaline into the bloodstream.
  • E: Chronic activation of the HPA axis can lead to immunosuppression due to the prolonged effects of cortisol.
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Physiology of stress Questions

  1. A Level
  2. /Psychology
  3. /Physiology of stress

Practise AQA A Level Psychology Physiology of stress with exam-style questions for A Level Psychology. 11 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank