ABRET CNIM Practice QUESTIONS AND ANSWERS

Which area of the spine has small pedicles, long spinous processes, and large inter-vertebral foramen. Select one: a. Sacral b. Thoracic c. Lumbar d. Cervical - Answer- C. Thoracic Brain activity recorded directly from the cortex (ECoG) is very high in amplitude and usually requires sensitivities in the range of: - Answer- 40 to 100 μV/mm. The ISOLA type of spinal instrumentation usually involves: a. Severing the cauda equina b. The supralaminal placement of rods c. The placement of grid electrodes d. A combination hook and screw method - Answer- D. A combination hook and screw method When there is bilateral noise in the free-running EMG channels and the patient is getting "light," what does one expect to see in the SSEPs? Select one: a. The patient begins to yell. b. The surgeon discontinues surgery. c. High artifact rejection in channels with electrodes placed over muscle. d. High rejection in every channel and unobtainable waveforms. - Answer- c. High artifact rejection in channels with electrodes placed over muscle. Instrumentation systems used to distract, compress, and de-rotate the spine to restore normal vertebral column alignment, include: a. CMRR and CMRO b. Du Bois and Reymond c. Cotrel-Dubousset and Isola d. TCD and pedicle screw - Answer- C. Cotrel-Dubousset and Isola The characteristic of a filter that shows how sharp the cut off, is called _____. - Answer- the rolloff Neurological syndrome caused by a lesion such as a tumor, trauma such as a gun shot or puncture wound, ischemia, infectious or inflammatory disease such as tuberculosis or multiple sclerosis, resulting in disturbances of tactile and kinesthetic sense on the side of the lesion with reduced muscle tone and refelxes and on the side contralateral to the lesion loss of pain sensation at or one segment below the lesion and loss of thermal s