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2024 Newest|CNIM - ABRET Practice Exam Questions| UPDATE|COMPREHENSIVE FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE

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2024 Newest|CNIM - ABRET Practice Exam Questions| UPDATE|COMPREHENSIVE FREQUENTLY MOST TESTED QUESTIONS AND VERIFIED ANSWERS|GET IT 100% ACCURATE Cavities inside the skull - ANSWER-Anterior/middle/posterior fossa Cranial bones - ANSWER-Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal ...

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  • November 11, 2024
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EmilyCharlene
2024 Newest|CNIM - ABRET Practice Exam Questions|2024-2025 UPDATE|COMPREHENSIVE FREQUENTLY
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Cavities inside the skull - ANSWER✔✔-Anterior/middle/posterior fossa


Cranial bones - ANSWER✔✔-Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal

& temporal (paired).


Mental protuberance - ANSWER✔✔-chin bone


MCA supply of the cerebral cortex - ANSWER✔✔-Hand + face/mouth/auditory


Cranial nerves - ANSWER✔✔--12 pairs (Mixed fibers: sensory/motor/both).


-Emerge @ irregular intervals from the brain.


-Nuclei displacement:


Motor = medial Sensory = lateral


Meckle's Cave - ANSWER✔✔-Depression in the medial middle fossa where CN V

ganglion sits


Low frequency sounds - ANSWER✔✔-@ apex of cochlea


Area of spine w/ small pedicles, long spinous process, large inter-vertebral foramen -

ANSWER✔✔-Thoracic




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,Neuroforamen - ANSWER✔✔-Opening w/in the spinal canal for nerve roots to enter

the SC


Firm outer layer of the disc - ANSWER✔✔-Annulus fibrosis


Syrinx - ANSWER✔✔-Fluid-filled cavity @ center of the SC


Spinal cord ends @ the level btwn: - ANSWER✔✔-L1-L2 vertebrae (Conus Medullaris)


Blood supply to the SC consists of: - ANSWER✔✔-1 ASA for both MEP tracts


Hydrostatic pressure - ANSWER✔✔-Depends on body position


Structural functional anatomy may be altered by: - ANSWER✔✔-Previous lesions,

current, plasticity, pressure


Glia cell - ANSWER✔✔-Comes from the Greek word "glue"


Large diameter nerve fiber (vs. small diameter) - ANSWER✔✔--Recruited 1st w/ INC'd

stim intensity


-Higher conduction velocity


-More vulnerable to hypoxia & pressure Δ's


Synaptic transmission, and/or Δ's in thalamocortical projections, produce -

ANSWER✔✔-Cortical potentials




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,Peripheral nerve sensitivity - ANSWER✔✔-Least sensitive to injury (more sensitive =

SC grey/white mater, cortical grey matter)


Cavernous angiomas - ANSWER✔✔-Multi-lobulated lesions containing hemorrhage


Geriatric population: prevalence of temporal bone hyperostosis - ANSWER✔✔-10-15%


Presbycusis - ANSWER✔✔-High freq hearing loss; gradually occurs in older

individuals


Most commonly injured CN - ANSWER✔✔-Facial nerve (VII)


Burst fracture - ANSWER✔✔--Break in the vertebra


-Failure of anterior & middle vertebral columns


-Caused by violent compressive event (fall, MVA)


Excessive neck flexion in sitting position - ANSWER✔✔-Quadraparesis (due to

ischemia in upper T-spine)


Lhermittes Sign - ANSWER✔✔-Shocking sensation that occurs throughout the body

during neck flexion


Central Cord Syndrome (CCS) - ANSWER✔✔--Sacral sparing


-Loss of sensory/motor fx @ level of injury


-Disruption of grey matter


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, (+) Babinski Sign could indicate - ANSWER✔✔--severe [UMN] SC trauma


-abnml PTN SSEPs


Hoffman's Reflex (1918) - ANSWER✔✔-Palmar flexion of the thumb when the distal

phalanx of the middle finger (of the same hand) is rapidly stroked


A nml curve of the lumbar spine taking place @ 1-2 y/o - ANSWER✔✔-Kyphosis


Scoliosis progression in peds - ANSWER✔✔-More likely in girls > boys


Apraxia - ANSWER✔✔-Difficulty w/ skilled mvmnts


Neurapraxia - ANSWER✔✔-PNS disorder: blockage of sensory + motor nerve

conduction (w/o axonal damage)


INC venous pressure leads to - ANSWER✔✔--venous congestion; DEC drainage of nml

veins; chronic hypoxia


-NOT hypotension


common source of air embolism introduction into the blood supply - ANSWER✔✔-

Superior sagittal sinus


MAC is approximated by the effect of anesthesia on - ANSWER✔✔-H-reflex (mvmnt

when stimulated)


Sevo/Des/N2O - ANSWER✔✔-DO NOT act on the same neuronal receptors



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