Exam 14: Nervous System: Spinal Cord and Spinal Nerves

If someone steps on a sharp object with their right foot,it will lead to

Which of the rami is much smaller than the other

When the Achilles tendon is tapped or the bottom of the foot is stroked,the reflexive response is that the foot

In sum,there are ____ pairs of spinal nerves.

Reflexes are described as

The third cervical spinal nerve exits the vertebral column through the

The spinal cord part with the largest diameter is the ___________ part.

A diminished reflex response that may indicate damage to a segment of the spinal cord is a(n)_____ reflex.

-This figure shows spinal nerve branches.What structure does number 1 indicate

The posterior ramus of a typical spinal nerve innervates the

A pathway has two parts: a bundle of CNS axons and a collection of neuron cell bodies in the CNS.

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

Following an injury to his arm,a patient complains that he cannot extend the forearm,wrist,and digits.You suspect that he has damaged the

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

Neurons of the thalamus that are part of sensory conduction pathways are considered

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 lateral horns of the spinal cord contain

The alar plate of the embryo develops into the gray commissure of the spinal cord.

-This figure shows a cross section of the spinal cord.What structure does number 2 indicate

The lateral funiculus contains both ascending and descending tracts.