Thursday, 12 November 2015

Hormones which are increased due to Stress during surgery | PGI MCQs for MD MS Preparations


Which of the following hormones are increased due to stress during surgery, especially in DM 

A. Epinephrine 
B. GH 
C. Glucocorticoids 
D. Thyroxine
E. None


Ans. A.Epanephrine, (B)GH, (C)Glucocorticoids
• Hormone mediated response due to stress during surgery, there is increased activity of: 
— Epinephrine 
— Resistance of insulin 
— Secretion of costisol and growth hormone. 
• Metabolic responses to stress: Increased levels of:

— Cytokines 
— Glucagon

 — Cortisol 
— Catecholamines 
—Insulin 
  One form of stress that is cold, specially in neonate causes increased TRH secretion due to depressed metabolism of neurons in pre-optic are by cooling thus release inhibitory discharge ; permitting secretion of TRH.