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Exam questionKROK 1Medicine ยท 2008

Rats being under stress have muscular hypertonia and high arterial pressure, high glucose concentration in blood and intensified secretion of corticotropin and corticosteroids. In what stress phase are these animals?

Answer options

  1. Terminal
  2. Shock phase
  3. Exhaustion
  4. Erectile
  5. Antishock phase
Correct answer

Antishock phase

Explanation

The Antishock phase of shock is when the compensatory mechanisms of the body are activated to antagonize the devastating effects of shock. Shock is characterized by decreased blood pressure which leads to decrease blood circulation. In the antishock phase, stress hormones such as corticosteroids and catecholamines (epinephrine, norepinephrine) and the sympathoadrenal system are fully active to prevent a decrease in blood pressure and other characteristics of the shock. Catecholamines corticotropin and corticosteroids increase blood pressure, increase glucose concentration, increase respiration (ventilation), etc.

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