Ch. 4 Nervous System OTA

Which structure connects the right and left cerebral hemispheres?

• Thalamus

• Corpus callosum

• Medulla oblongata

• Cerebellum

What is the main function of the frontal lobe?

• Vision, recognition of size, shape, and color

• Reading, gross sensation: touch, and pressure

• Personality, motor movement, and expressive speech

• Behavior, hearing, language reception, and understanding

Which lobe is located posteriorly in the brain?

• Frontal

• Occipital

• Parietal

• Temporal

Match the term "Axon" with its correct description.

• Transmits impulses toward the cell body

• Has its cell body in the dorsal root ganglion

• Distal end of the axon

• Conducts impulses from the cell body

What is the main function of the temporal lobe?

• Personality, motor movement, expressive speech

• Vision, recognition of size, shape, color

• Behavior, hearing, language reception, and understanding

• Reading, gross sensation: touch, pressure

The subarachnoid space is located between which spinal cord coverings?

• Arachnoid mater and pia mater

• Dura mater and arachnoid mater

• Pia mater and dura mater

• Gray matter and white matter

What circulates in the subarachnoid space?

• Blood

• Cerebrospinal fluid

• Lymph

• Synovial fluid

What is the function of the subarachnoid space?

• It provides shock absorption by filling the ventricles within the brain and surrounding the brain and spinal cord.

• It stores nutrients for the spinal cord.

• It transmits nerve signals.

• It supports blood circulation.

The conus medullaris is located at approximately which vertebral level?

• First lumbar vertebra

• Second lumbar vertebra

• Third lumbar vertebra

• Fourth lumbar vertebra

The cauda equina is composed of the nerve roots for which spinal levels?

• L1 through L3

• L2 through S5

• T12 through L2

• S1 through S3