Which
of the following describes the most accurate functional relationship between
neuronal populations in the arcuate nucleus (ARC) regarding appetite
regulation?

Question

Answer

Genetic
ablation of AgRP neurons in adult mice leads to profound hyperphagia and morbid
obesity.

Answer

Glutamate is the primary orexigenic signal released by NPY cells to provide rapid control of feeding.

Answer

POMC neurons produce α-MSH which stimulates food intake by activating MC4R.

Answer

AgRP/NPY neurons are potent orexigens that increase food intake and can directly inhibit POMC neurons via GABAergic projections.

Crowdly

Which of the following describes the most accurate functional relationship betwe...

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