The extent of an organism's sleep debt is tracked by which of the following structures?
A)the locus coeruleus
B)the raphe nuclei
C)the lateral geniculate nucleus
D)the preoptic area of the hypothalamus

Question

The extent of an organism's sleep debt is tracked by which of the following structures?​ 
A)the locus coeruleus 
B)the raphe nuclei 
C)the lateral geniculate nucleus 
D)the preoptic area of the hypothalamus

Quizplus · Accepted Answer

The preoptic area of the hypothalamus is responsible for tracking an organism's sleep debt, by regulating the amount of sleep needed and initiating sleep when necessary. The other structures listed are not directly involved in tracking sleep debt.

The Extent of an Organism's Sleep Debt Is Tracked by Which