CNIM - ABRET PRACTICE EXAM QUESTIONS WITH CORRECT ANSWERS|100% verified

CNIM - ABRET PRACTICE EXAM QUESTIONS WITH CORRECT ANSWERS Cavities inside the skull CORRECT ANSWER Anterior/middle/posterior fossa Cranial bones CORRECT ANSWER Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance CORRECT ANSWER chin bone MCA supply of the cerebral cortex CORRECT ANSWER Hand + face/mouth/auditory Cranial nerves CORRECT ANSWER -12 pairs (Mixed fibers: sensory/motor/both). -Emerge @ irregular intervals from the brain. -Nuclei displacement: Motor = medial Sensory = lateral Meckle's Cave CORRECT ANSWER Depression in the medial middle fossa where CN V ganglion sits Low frequency sounds CORRECT ANSWER @ apex of cochlea Area of spine w/ small pedicles, long spinous process, large inter-vertebral foramen CORRECT ANSWER Thoracic Neuroforamen CORRECT ANSWER Opening w/in the spinal canal for nerve roots to enter the SC Firm outer layer of the disc CORRECT ANSWER Annulus fibrosis Syrinx CORRECT ANSWER Fluid-filled cavity @ center of the SC Spinal cord ends @ the level btwn: CORRECT ANSWER L1-L2 vertebrae (Conus Medullaris) Blood supply to the SC consists of: CORRECT ANSWER 1 ASA for both MEP tracts Hydrostatic pressure CORRECT ANSWER Depends on body position Structural functional anatomy may be altered by: CORRECT ANSWER Previous lesions, current, plasticity, pressure Glia cell CORRECT ANSWER Comes from the Greek word "glue" Large diameter nerve fiber (vs. small diameter) CORRECT 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 CORRECT ANSWER Cortical potentials Peripheral nerve sensitivity CORRECT ANSWER Least sensitive to injury (more sensitive = SC grey/white mater, cortical grey matter) Cavernous angiomas CORRECT ANSWER Multi-lobulated lesions containing hemorrhage Geriatric population: prevalence of temporal bone hyperostosis CORRECT ANSWER 10-15% Presbycusis CORRECT ANSWER High freq hearing loss; gradually occurs in older individuals Most commonly injured CN CORRECT ANSWER Facial nerve (VII) Burst fracture CORRECT ANSWER -Break in the vertebra -Failure of anterior & middle vertebral columns -Caused by violent compressive event (fall, MVA) Excessive neck flexion in sitting position CORRECT ANSWER Quadraparesis (due to ischemia in upper T-spine) Lhermittes Sign CORRECT ANSWER Shocking sensation that occurs throughout the body during neck flexion