Which Neurotransmitter Is Involved in Producing Reinforcing Feelings of Pleasure

question 246

Multiple Choice

Which neurotransmitter is involved in producing reinforcing feelings of pleasure and satisfaction that may contribute to obesity?

• A)serotonin
• B)dopamine
• C)cholecystokinin
• D)neuropeptide Y

Identify and describe processes involved in the water cycle and their impacts on soil and ecosystems.

Analyze soil profiles to determine their suitability for various plant types.

Explain the concept of a food web and outline example food chains.

Understand energy flow in ecosystems and the concept of net primary productivity.

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Definitions:

Fulcrum

The fixed point around which a lever pivots, enabling the lever to lift or move loads with less effort.

Load

In physiology, the force or resistance that a muscle has to overcome during contraction; in engineering, the weight or force that a structure supports.

Maximal Stimulus

The level of stimulus at which the maximum rate of contraction or response is achieved in a muscle or nerve.

Treppe Stimulus

A phenomenon where muscle contractions become more forceful with subsequent stimulations, due to increased calcium availability.