Exam 14: Nervous System: Spinal Cord and Spinal Nerves

Sensory impulses traveling through the posterior root will reach the ________ upon entering the spinal cord.

The lateral corticospinal tracts include a ________ of the upper motor neuron axons that pass through the medulla, and they govern control of ________.

Stepping on a piece of glass would most likely invoke a ________ reflex.

Following an injury to his arm, a patient complains that he has no sensations from the thumb, index finger, middle finger, and part of the ring finger. What nerve do you suspect to be damaged?

Each side of the spinal cord gives rise to ________ cervical nerves.

What is the thin strand of pia mater that helps to anchor the spinal cord to the coccyx?

________ pathways have peripheral primary neurons and central secondary and tertiary neurons.

The anterior ramus of a typical spinal nerve innervates the

The anterior rami of T1-T11 are called

Which of the rami is much smaller than the other?

The third cervical spinal nerve exits the vertebral column through the

The fasciculus cuneatus is part of the

Nuclei within the gray matter of the spinal cord that receive information from sensory receptors such as pain or pressure receptors in the skin are ________ nuclei.

Motor impulses destined for skeletal muscle will leave the spinal cord through the ________ before passing through a spinal nerve.

The largest and longest nerve in the body is the ________ nerve.

The lumbar region of the spinal cord is closest to the lumbar vertebrae of the vertebral column.

Motor pathways are ________ tracts that control ________.

Following an injury to his arm, a patient complains that he has lost the ability to flex his elbow and supinate his forearm. Which nerve do you suspect he has damaged?

If a person suffers a thorax-crushing injury and is unable to breathe properly, you would suspect that this nerve was damaged.

Because most pathways decussate, each side of the brain processes information from the ________ side of the body.