<prompt> Circadian rhythm is influenced by:Supra optic nucleiPostero lateral nucleusVentro-lateral nucleusSupra chiasmatic nucleus  <response>: Ans: D Supra chiasmatic nucleus Ref: W F Ganong. Central and Peripheral Neurophysiology. In: Review of Medical Physiology. 24th ed. California: McGraw-Hill Companies; 2012, p278.Explanation:Circadian rhythm is dependent on the supra-chias- matic nuclei SCN located bilaterally above the optic chiasm. See Table 2 Below 