Question 1

Mr.Smith staggered home after a long night at the local pub.While attempting to navigate the stairs,he passed out cold and lay all night with his right armpit straddling the staircase banister.When he awoke the next morning,he had a severe headache,but what bothered him more was that he had no sensation in his right arm and hand.Explain what caused this symptom in his arm.

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Question 2

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?

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Question 3

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

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Question 4

Good friends Sami and Sara were picking roses when both encountered rose thorns.Sami just laughed and continued to pick more roses.Sara,however,had tears in her eyes and complained of how much the thorn prick hurt.What accounts for the difference in their response to the same pain stimulus?

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Question 5

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.

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Question 6

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

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Question 7

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?

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Question 8

Name three unencapsulated sensory receptors and tell what they are used for.

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Question 9

Information regarding skeletal muscle tension is provided by ________ and muscle length by ________.

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Question 10

List and describe the functions of the three cranial nerves that serve the muscles of the eye.

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Quiz 13: The Peripheral Nervous System and Reflex Activity