<prompt> Most common cause of Cheyne-Stokes breathing is?Diabetic ketoacidosisCHFBulbar polioPontine hemorrhage  <response>: Ans. isbi.e., CHFRef Clinicalmedicine p. 713Cause of Cheyne-Stokes respiration,Normally occurs during sleep at high altitudeCongestive cardiac failureDamage to respiratory centers 