Axons of the Lower Motor Neurons of the Anterior Corticospinal

question 14

Multiple Choice

Axons of the lower motor neurons of the anterior corticospinal tracts innervate

• A)skeletal muscles that control skilled movements in the limbs.
• B)muscles of the lower digestive tract.
• C)muscles of the respiratory system.
• D)skeletal muscles of the upper back and neck.
• E)axial skeletal muscle.

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Definitions:

Trigeminal Nerve

The fifth cranial nerve, responsible for sensory data from the face and head, and motor functions such as biting and chewing.

Chewing Reflex

An involuntary movement of the jaw that occurs in response to the presence of food in the mouth, aiding in mechanical digestion.

Oral Cavity

The mouth, an opening in the body equipped with teeth, tongue, and salivary glands, serving as the beginning of the digestive tract.

Neural Tube

The embryonic precursor to the central nervous system, which comprises the brain and spinal cord. The neural tube forms early in the development of vertebrates.