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Cnim - Abret Practice Exam Questions And Answers With Verified Solutions!!!
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Cnim - Abret Practice Exam Questions And Answers With Verified Solutions!!!
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Cnim - Abret Practice Exam QuestionsAnd Answers With Verified Solutions!!!
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
,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
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
(+) 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
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