Exam 16: Spinal Cord and Spinal Nerves

-This figure shows neuron pathways and nuclei locations.What type of nuclei does number 2 indicate?

Injury to this nerve causes the condition known as sciatica.

-This figure shows the spinal cord and spinal nerves.What structure does number 1 indicate?

-This figure shows an anterior view of the spinal cord and meninges.What structure does number 1 indicate?

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

This figure shows a cross section of a vertebra and the spinal cord.What structure does number 1 indicate?

The reflex that elevates the testes within the scrotum when the medial side of the thigh is briskly stroked is a(n)_____ reflex.

A monosynaptic reflex that monitors and regulates skeletal muscle length is a _____ reflex.

What is the correct order for the events that occur during a reflex? A: Impulse travels through sensory neuron to the CNS B: A stimulus activates a receptor C: Information is processed by interneurons D: Motor neuron transmits impulse to effector E: Effector responds

The plexus that supplies the upper limbs is the _________ plexus.

Following an injury to his arm,a patient complains that he has no sensations from his "pinky".You suspect that he has damaged the

This nerve helps to plant the foot.

The spinal cord allows for two-way communication between the brain and body.

The nerve responsible for innervation (movement)of the quadriceps femoris muscle is the _____ nerve.

-This figure shows spinal nerve branches.What structures are indicated by number 4?

-This figure shows neuron pathways and nuclei locations.What type of nuclei does number 1 indicate?

There are ____ pairs of spinal nerves.

The inferior tip of the spinal cord is the ___________ part.

This nerve receives sensation from the skin of the external genitalia.

The embryonic feature that gives rise to the anterior and lateral horns of gray matter and part of the gray commissure is the _____ plate.