Exam 13: The Spinal Cord, spinal Nerves, and Spinal Reflexes

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "6."

You are sitting at a Mexican restaurant waiting for your food.The waiter brings a very hot plate,telling you to be careful about touching it.You touch it anyway,producing a pain sensation in your fingers,a withdrawal of your hand,and an auditory comment of what you are thinking.This scenario represents a ________ neuronal circuit.

What would happen if the dorsal root of a spinal nerve were completely transected?

In an adult,the conus medullaris is found at about

All of the following are true of neural reflexes except that they

Tina falls while climbing a tree and lands on her back.Her frightened parents take her to the emergency room,where she is examined.Her knee-jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex).These results suggest that Tina has

Interneurons are organized into functional groups called

The flexor reflex

The ________ nerve,which arises in the cervical plexus,innervates the diaphragm.

The specialized membranes that surround the spinal cord are termed the

The white ramus and the gray ramus collectively are called the

If a person has a crush injury to the C₃-C₅ spinal segments,you would expect that he

The specific strip of skin that is innervated by a specific spinal nerve is called a

The complex,interwoven network formed by contributions from the ventral rami of neighboring spinal nerves is termed a(n)

Muscles of the neck and shoulder are innervated by spinal nerves from the ________ region.

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -Identify the structure labeled "5."

In meningitis,

In ________,one neuron synapses on several postsynaptic neurons.

The reflex that prevents a muscle from exerting too much tension is the ________ reflex.

Into what spinal area would one inject a chemical whose purpose is to anesthetize the patient?