<prompt> Which response is not seen in newborns as a measure of thermogenesis?ShiveringBreakdown of brown fatUniversal flexionCutaneous vasoconstrictions  <response>: ANSWER: A ShiveringREF: O.P Ghai 6th ed p. 151,152Newborn cannot produce heat by shiveringMechanisms for thermogenesis in new born are mainly due to rapid increase in circulating catecholamines due to cold stressLipolysis and re-esterification of brown fatPeripheral vasoconstrictionIncrease heart rate 