Exam 13: The Peripheral Nervous System and Reflex Activity

An adult patient shows Babinski's sign during a test of plantar reflex.How is Babinski's sign different than the normal response and what does the altered response indicate?

Match the following: -The cerebellum and basal nuclei.

Select the statement that is most correct.

A nurse is asked about the cause of the excruciating pain of tic douloureux.How should s/he answer?

Figure 13.2 Using Figure 13.2, identify the following components of the reflex arc: -Effector.

The phrenic nerve arises from the left and right sides of cervical vertebra 3,4 and 5.Describe the potential benefit of having the nerve exit from such a superior position and from multiple places on the spinal column.

Figure 13.2 Using Figure 13.2, identify the following components of the reflex arc: -Receptor.

A bit of dust blows into and touches the cornea of the eye.Which of the following is likely to happen?

Match the following: -The neural machinery of the spinal cord,including spinal cord circuits.

Problems in balance may follow trauma to which nerve?

Figure 13.3 Using Figure 13.3, match the following: -Supplies each muscle with fibers from more than one nerve.

Describe the steps of the regeneration process of a damage peripheral nerve fiber.

Ralph sustained a leg injury in a bowling accident and had to use crutches.Unfortunately,he never took the time to learn how to use them properly.After two weeks of use,he noticed his fingers were becoming numb.Then he noticed his arms were getting weaker and tingling.What could be his problem?

Select the correct definition.

Figure 13.1 Using Figure 13.1, match the following: -Damage to this nerve would keep the eye from rotating inferolaterally.

The meningeal branch of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels.

Tactile sensation is a combination of touch,pressure,stretch and vibration.Which of the following is most likely the receptor type that senses tactile stimulation?

Dermatome maps are useful to clinicians because ________.

Drooping of the upper eyelid,and double vision are potential symptoms of damage to the oculomotor nerve.

Figure 13.3 Using Figure 13.3, match the following: -Supplies the posterior body trunk.