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Exam 14: The Peripheral Nervous System

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Question 41

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Use the diagram above to answer the following questions. -Which letter indicates a lamellar corpuscle (Pacinian corpuscle) that rapidly adapts to deep pressure stimuli?

A) A
B) B
C) C
D) D
E) E

F) A) and B)
G) B) and E)

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Question 42

Multiple Choice

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A dermatome is

A) the muscles innervated by a single spinal nerve.
B) the region of skin innervated by a single terminal branch of the brachial plexus.
C) all organs innervated by a single spinal nerve.
D) the region of skin innervated by a single spinal nerve.

E) C) and D)
F) B) and D)

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Question 43

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Use the diagram above to answer the following questions. -Sensory fibers of which cranial nerve pair pass through the cribriform plate of the ethmoid bone?

Both the parasympathetic and sympathetic divisions are part of the somatic motor nervous division.

Damage to this nerve may cause difficulties in swallowing, decrease in saliva production and some difficulties in tasting, in particular sour and bitter substances.

Hiltons law states that a joint is innervated by

A receptor that monitors stretch of the stomach can be classified as a

Which of the following is true regarding the peripheral nervous system?

Ventral rami from all spinal nerves except numbers ________ contribute to nerve plexuses.

Which foramen does not include a branch of the trigeminal nerve?

The ulnar nerve innervates most of the muscles of the anterior forearm.

Use the diagram above to answer the following questions. -Which letter indicates the cranial nerve that has three major branches?

This category of receptors elicit a response of "Ouch!"

Use the diagram above to answer the following questions. -Which letter indicates receptors that respond chiefly to pain and temperature?

The obturator nerve is part of which nerve plexus?

A nerve from the ________ cord of the brachial plexus innervates the posterior extensor muscles of the upper limb.

Nerves from the ________ cords of the brachial plexus innervate the anterior flexor muscles of the upper limb.

In shingles, the virus lies within the cell bodies of a dorsal root (sensory) ganglion. When the virus is active, it causes painful blisters along a strip of skin on the trunk. Knowing your anatomy, why does it only affect a thin strip of skin?

Describe the action and innervation of the six extrinsic muscles/ extraocular muscles of the eyeball.

All of the following are exteroceptors: tactile corpuscles, lamellar corpuscles, and tactile epithelial cells.