Information is transported away from a nerve cell body by the:

a. dendrite
b. axon
c. myelin

d. glia


B

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Answer the following statement(s) true (T) or false (F)

1. The tissues of the central nervous system are so delicate that they must be protected by the blood-brain barrier.  2. The tissues of the central nervous system are so delicate that they must be protected by the foramen magnum.  3. The central canal of the spinal cord contains blood vessels.  4. The central canal of the spinal cord contains cerebrospinal fluid.  5. The cerebral cortex stores memories. 

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Intervertebral foramina for the cervical spine are imaged furthest from the image receptor with:

PA oblique AP axial lateral c-spine AP oblique

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_____ GEMs were created by the Center for Medicare and Medicaid Services as "crosswalks" between ICD-9 and ICD-10-CM/ PCS coding. 

A. 1 B. 2 C. 3 D. 4

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Which portion of the ECG tracing represents the time between ventricular depolarization and repolarization?

a. PR interval c. T wave b. ST segment d. QRS complex

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