Which of the Following Results Suggests That the Hypothalamus Both

question 54

Multiple Choice

Which of the following results suggests that the hypothalamus both produces and controls hunger?

• A) Removal of the hypothalamus in a laboratory mouse results in the mouse becoming emaciated
• B) Introducing an experimental lesion in the hypothalamus of laboratory mouse creates obesity
• C) Electrically stimulating the hypothalamus of a laboratory mouse creates obesity
• D) All of the above

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Definitions:

Voltage-gated Ion Channels

Proteins embedded in cell membranes that open or close in response to changes in membrane potential, crucial for the propagation of nerve impulses.

Plasma Membrane

A phospholipid bilayer that surrounds a cell, providing it with structural support and controlling the movement of substances into and out of the cell.

Electrical Charge

A fundamental property of particles that causes them to experience a force when placed in an electromagnetic field.

Sarcolemma

The cell membrane of a muscle fiber (cell), crucial for muscle contraction and signal transmission.