Charlotte sees will, an old high school friend, at a party and is startled to learn his weight increased from 150 to 280 pounds in the year since he sustained a head injury in an automobile accident. damage to which hypothalamic nucleus might account for will’s weight gain?
a) anteriorb) dorsomedialc) ventromediald) lateral

B. ventromedial

Explanation:

    Nucleus located in the hypothalamus integrate a series of signals with the central nervous system controlling food intake and energy expenditure.

    There are bilateral ventromedial hypothalamic nucleus that regulate satiety. If lesions occur in these nucleus, hyperphagia (excessive food intake) and obesity can occur. Injury to the lateral hypothalamus causes aphagia (difficulty or inability to swallow or ingest food caused by psychic or organic changes) and starvation. Stimulation of these nuclei causes opposite behavior. Stimulation of ventromedial nuclei promotes aphagia and stimulation of the lateral hypothalamus promotes hyperphagia.

answer; /// i believe that the correct answer is (c); ///when the lungs expand, they fill with air from the atmosphere;

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