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ATI RN · ATI Medical Surgical · Questions to Ask About Neurological System

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Dysphagia, dyphonia, dysarthria together with tongue atrophy & depressed "gag" reflex is called like following:

A. bulbar palsy

B. Bell's palsy

C. pseudobulbar palsy

D. bulbus olfactorius

Expert Explanatory Rationale

Correct Answer: bulbar palsy

Question 2 of 5

The following muscles are supplied by posterior rami of spinal nerves EXCEPT

A. Erector spinae

B. Levator costae

C. Splenius

D. Scalene posterior

Expert Explanatory Rationale

Correct Answer: Scalene posterior

Question 3 of 5

Which structure allows communication between the hemispheres?

A. reticular formation

B. temporal lobe

C. contralateral bridge

D. corpus callosum

Expert Explanatory Rationale

Correct Answer: corpus callosum

Question 4 of 5

The Schwann cells form a myelin sheath around the:

A. dendrites

B. cell body

C. nucleus

D. axon

Expert Explanatory Rationale

Correct Answer: axon

Question 5 of 5

Which of these statements about the peripheral nervous system is correct?

A. The CNs enter the brain through the spinal cord.

B. Efferent fibers carry sensory input to the central nervous system through the spinal cord.

C. The peripheral nerves are inside the central nervous system and carry impulses through their motor fibers.

D. The peripheral nerves carry input to the central nervous system by afferent fibers and away from the central nervous system by efferent fibers.

Expert Explanatory Rationale

Correct Answer: The peripheral nerves carry input to the central nervous system by afferent fibers and away from the central nervous system by efferent fibers.

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