Refer to the Figure, Which Shows Changes in Body Weight

question 97

Multiple Choice

Refer to the figure, which shows changes in body weight in rats following hypothalamic lesioning.
Which answer accurately labels the data represented in the figure?

• A) I: Recovered VMH-lesion; II: Normal, untreated; III: Recovered lateral hypothalamus-lesion
• B) I: Normal, untreated; II: Recovered VMH-lesion; III: Recovered lateral hypothalamus-lesion
• C) I: Recovered lateral hypothalamus-lesion; II: Normal, untreated; III: Recovered VMH-lesion
• D) I: Recovered VMH-lesion; II: Normal, untreated; III: Normal, untreated

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Definitions:

Extensor Digitorum Longus

A muscle in the leg that helps to extend the toes and dorsiflex the foot, playing a key role in walking.

Lateral Toes

The toes located on the outer sides of the feet, important for balance and supporting walking gait.

Tibialis Anterior

A muscle in the lower leg that dorsiflexes and inverts the foot, playing a key role in walking and balance.

Linea Alba

A fibrous structure that runs down the midline of the abdomen, forming an important anatomical landmark and serving as the attachment for certain abdominal muscles.