<prompt> On exposure to cold, all are seen EXCEPT:March 2013Increased adrenalineShiveringIncreased thyroxineCutaneous vasodilation  <response>: Ans. D i.e. Cutaneous vasodilationHypothermiaIt is a condition in which core temperature drops below the required temperature for normal metabolism and body functions which is defined as 35.0 degC 95.0 degF.Symptoms may be sympathetic nervous system excitation:- Shivering,Hypeension,- Tachycardia,- Tachypnea, and- VasoconstrictionThese are all physiological responses to preserve heat. Cold diuresis, mental confusion, as well as hepatic dysfunction may also be present. 