Question

question 5 of 10
the midbrain includes the:

a. reticular activating system.

b. limbic system.

c. corpus callosum.

d. cerebral cortex.

Explanation:

To solve this, we analyze each option:

• Option B: The limbic system is associated with the forebrain (involved in emotions, memory), not midbrain.
• Option C: Corpus callosum connects the two cerebral hemispheres, part of the forebrain - related structures, not midbrain.
• Option D: Cerebral cortex is the outer layer of the cerebrum (forebrain), not midbrain.
• Option A: The reticular activating system (RAS) has components in the midbrain. It is involved in arousal and attention.

Answer:

A. reticular activating system