In What Sense Could a Fall in Leptin Levels Be

question 116

Multiple Choice

In what sense could a fall in leptin levels be considered as a hunger signal?

• A) Reduced leptin levels remove an inhibitory influence on NPY/AGRP neurons.
• B) Leptin normally excites NPY/AGRP neurons.
• C) Reduced leptin levels remove an inhibitory influence on CART/alpha-MSH neurons.
• D) Leptin normally inhibits CART/alpha-MSH neurons.
• E) Leptin increases the production of ghrelin.

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Definitions:

Extravert

An individual characterized by an outgoing, energetic, and sociable disposition.

External Locus

A belief that one's successes or failures result from external factors beyond their control.

Social-Cognitive

Relating to a theory which emphasizes the role of observational learning, social experience, and reciprocal determinism in the development of personality.

Humanistic

An approach in psychology that emphasizes empathy and stresses the good in human behavior.