CAISS ACTUAL EOC QUESTIONS AND ANSWERS
SET A+
✔✔Complete Articular Acetabulum Fracture - ✔✔A fracture of the acetabulum that is
one in which both columns are disrupted form each other and the attachment between
the articular surface and the posterior ilium no longer exists.
✔✔Eponyms - ✔✔Provided in italics, where appropriate, to describe certain lower
extremity joint and bone injuries.
✔✔(T/F) Bilateral proximal amputations are assigned only one code. - ✔✔T
✔✔Partially Unstable Pelvic Fracture - ✔✔Sacroiliac joint with anterior disruption
✔✔Partially Unstable Pelvic Fracture - ✔✔Lateral compression fracture
✔✔Partially Unstable Pelvic Fracture - ✔✔"Open book" fracture <2.5 cm
✔✔Partially Unstable Pelvic Fracture - ✔✔,Wide symphysis pubis separation greater
than or equal to 2.5 cm
✔✔Partially Unstable Pelvic Fracture - ✔✔Anterior compression fracture of sacrum
✔✔Partially Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch with
posterior ligamentous integrity partially maintained.
✔✔Partially Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch, but pelvic
floor intact
✔✔Partially Unstable Pelvic Fracture - ✔✔Bilateral fractures with posterior ligamentous
integrity partially maintained
, ✔✔Stable Pelvic Fracture - ✔✔Isolated simple fracture of Pubis Ramus
✔✔Stable Pelvic Fracture - ✔✔Isolated simple fracture of Ilium
✔✔Stable Pelvic Fracture - ✔✔Isolated simple fracture of Ischium
✔✔Stable Pelvic Fracture - ✔✔Transverse fracture of sacrum and coccyx with or
without sacrococcygeal dislocation
✔✔Stable Pelvic Fracture - ✔✔Minor symphysis pubis separation < 2.5cm
✔✔Totally Unstable Pelvic Fracture - ✔✔Sacroiliac joint with posterior disruption
✔✔Totally Unstable Pelvic Fracture - ✔✔Vertical shear fracture
✔✔Totally Unstable Pelvic Fracture - ✔✔Pubic ramus fracture with sacroiliac
fracture/dislocation
✔✔Totally Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch with complete
loss of posterior osteoligamentous integrity
✔✔Totally Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch with pelvic
floor disruption
✔✔(T/F) The crucial factor to determine the level of pelvic instability (partial or total) will
depend entirely on the extent of damage to the posterior ligaments and/or pelvic floor. -
✔✔T
✔✔(T/F) The ISS has a separate Spine body region. - ✔✔F
✔✔Spinal Cord Injuries - ✔✔Damage to neural elements in the spinal canal (spinal cord
and cauda equina)
✔✔(T/F) Level of injury refers to the most caudal segment of the cord with normal motor
and sensory function. - ✔✔T
✔✔Incomplete Cord Syndrome - ✔✔Preservation of some sensation or motor function,
includes anterior cord, central cord, lateral cord (Brown-Sequard), syndromes.
✔✔(T/F) "Incomplete quadriplegia" orn "incomplete paraplegia" should be coded as
incomplete cord injury. - ✔✔T
SET A+
✔✔Complete Articular Acetabulum Fracture - ✔✔A fracture of the acetabulum that is
one in which both columns are disrupted form each other and the attachment between
the articular surface and the posterior ilium no longer exists.
✔✔Eponyms - ✔✔Provided in italics, where appropriate, to describe certain lower
extremity joint and bone injuries.
✔✔(T/F) Bilateral proximal amputations are assigned only one code. - ✔✔T
✔✔Partially Unstable Pelvic Fracture - ✔✔Sacroiliac joint with anterior disruption
✔✔Partially Unstable Pelvic Fracture - ✔✔Lateral compression fracture
✔✔Partially Unstable Pelvic Fracture - ✔✔"Open book" fracture <2.5 cm
✔✔Partially Unstable Pelvic Fracture - ✔✔,Wide symphysis pubis separation greater
than or equal to 2.5 cm
✔✔Partially Unstable Pelvic Fracture - ✔✔Anterior compression fracture of sacrum
✔✔Partially Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch with
posterior ligamentous integrity partially maintained.
✔✔Partially Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch, but pelvic
floor intact
✔✔Partially Unstable Pelvic Fracture - ✔✔Bilateral fractures with posterior ligamentous
integrity partially maintained
, ✔✔Stable Pelvic Fracture - ✔✔Isolated simple fracture of Pubis Ramus
✔✔Stable Pelvic Fracture - ✔✔Isolated simple fracture of Ilium
✔✔Stable Pelvic Fracture - ✔✔Isolated simple fracture of Ischium
✔✔Stable Pelvic Fracture - ✔✔Transverse fracture of sacrum and coccyx with or
without sacrococcygeal dislocation
✔✔Stable Pelvic Fracture - ✔✔Minor symphysis pubis separation < 2.5cm
✔✔Totally Unstable Pelvic Fracture - ✔✔Sacroiliac joint with posterior disruption
✔✔Totally Unstable Pelvic Fracture - ✔✔Vertical shear fracture
✔✔Totally Unstable Pelvic Fracture - ✔✔Pubic ramus fracture with sacroiliac
fracture/dislocation
✔✔Totally Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch with complete
loss of posterior osteoligamentous integrity
✔✔Totally Unstable Pelvic Fracture - ✔✔Fracture involving posterior arch with pelvic
floor disruption
✔✔(T/F) The crucial factor to determine the level of pelvic instability (partial or total) will
depend entirely on the extent of damage to the posterior ligaments and/or pelvic floor. -
✔✔T
✔✔(T/F) The ISS has a separate Spine body region. - ✔✔F
✔✔Spinal Cord Injuries - ✔✔Damage to neural elements in the spinal canal (spinal cord
and cauda equina)
✔✔(T/F) Level of injury refers to the most caudal segment of the cord with normal motor
and sensory function. - ✔✔T
✔✔Incomplete Cord Syndrome - ✔✔Preservation of some sensation or motor function,
includes anterior cord, central cord, lateral cord (Brown-Sequard), syndromes.
✔✔(T/F) "Incomplete quadriplegia" orn "incomplete paraplegia" should be coded as
incomplete cord injury. - ✔✔T
