<prompt> Pontine transection leads toDecerebrate rigidityDecorticate rigidityIncreased muscle toneDecreased muscle tone  <response>: Ans. d Decreased muscle toneRef: Ganong, 25th edp.242Pontine transection leads to the loss of effects of Pontine reticulospinal tractNormal function of pontine reticulospinal tract - mediate excitatory effects. Excites gamma motor neurons to muscle spindles that maintains toneSo, there is decreased muscle tone 