Studies of Feeding Using Decerebrate Rats Indicate That

question 110

Multiple Choice

Studies of feeding using decerebrate rats indicate that

• A) the feeding circuits for chewing are contained within the forebrain.
• B) CCK acts on frontal cortex to stimulate eating.
• C) the brainstem contains circuits that allow a rat to chew and to swallow.
• D) decerebrate rats are unable to chew, swallow, or distinguish tastes.
• E) the circuits controlling ingestion lie forward to the brainstem.

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Definitions:

Acetylcholine

A neurotransmitter in the central and the peripheral nervous systems that plays a key role in the function of muscle action, heart rate, memory, and learning.

Botulism

A rare but serious illness caused by botulinum toxin, which can cause paralysis and is often linked to improperly prepared food.

Myelin Sheath

A fatty layer that encases and insulates the axons of neurons, facilitating faster transmission of electrical signals.

Electrical Current

The flow of electric charge through a conductor, typically measured in amperes.