Damage to which of the following hypothalamic nucleus results in hyperphagia and obesity?: (A) Ventromedial nucleus, (B) Dorsomedial nucleus, (C) Supra-optic nucleus, (D) Lateral pre-optic nucleus
Answer is A. Ans. a (Ventromedial nucleus);(Ref. Guyton, Physiology, 10th ed., 805)HYPOTHALAMIC NUCLEUSFUNCTIONSTIMULATIONDESTRUCTION1Lateral nucleusFeeding centerHyperphagiaInanition2Ventromedial nucleusSatiety centerAphagiaHyperphagia3Paraventricular nucleusRegulates food intake 4Dorsomedial nucleusRegulates food intake 5Arcuate nucleusRegulates food intake