Circadian rhythm is influenced by:
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)
Supra optic nuclei
Postero lateral nucleus
Ventro-lateral nucleus
Supra chiasmatic nucleus
Thalamus, Hypothalamus and Basal Ganglia