Exam 14: Nervous System: Spinal Cord and Spinal Nerves

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

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

For many reflexes,including the stretch reflex,the excitation of a muscle leads to

Which accurately describes sensory and motor pathways

Two of the nerves of the lumbar plexus are the

-This figure shows a cross section of the spinal cord.What structure does number 3 indicate

Within the axilla,axons of neurons are organized within

The obturator nerve innervates muscles of the lateral thigh.

The spinocerebellar pathway is an ascending somatosensory pathway.

The Golgi tendon reflex

-This figure shows an anterior view of the spinal cord and meninges.What structure does number 7 indicate

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

A specific segment of skin supplied by a single spinal nerve is a ___________.

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

Which are not spinal nerve branches

A typical spinal cord in an adult is

The posterior horns of the spinal cord contain

Neurons in the primary somatosensory cortex receive input from tertiary neurons that have their cell bodies residing in the thalamus.

-This figure shows a cross section of the spinal cord.What structure does number 4 indicate

Paired,lateral triangular extensions of the spinal pia mater that extend to the dura to suspend and anchor the spinal cord are known as _________ ligaments.