السؤال 47

Spot the error in this nervous-system claim: 'The brainstem consciously chooses every heartbeat.' Which correction is best?

The brainstem forms the bones of the skull instead.
The brainstem regulates only language.
The brainstem helps regulate such functions automatically.الإجابة الصحيحة
The brainstem has no role in breathing.

الشرح

The brainstem participates in automatic regulation of vital processes such as breathing and heart rate. These ongoing controls do not require a separate conscious choice for every cycle, so the claim assigns them the wrong mode of control.

الشرح

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