CAISS EXAM QUESTIONS WITH
COMPLETE SOLUTIONS
Boxed & Bold Text - ANSWERSRepresent AIS coding rules and conventions and
contain directives to assist in the appropriate use of specific descriptions.
Brackets - ANSWERSDenote inclusive or exclusive information.
Parentheseses - ANSWERSInclude synonyms or occasionally, non-clinical terms and
provide a definition for the injury description.
Semicolons - ANSWERSSeparate injury descriptors that are comparable in severity.
Bold Type - ANSWERSIdentifies an anatomical structure
Italics - ANSWERSAre used for proper-named anatomical structures or injuries, and for
OIS grades.
AIS .1 - ANSWERSMinor
AIS .2 - ANSWERSModerate
AIS .3 - ANSWERSSerious
AIS .4 - ANSWERSSevere
AIS .5 - ANSWERSCritical
AIS .6 - ANSWERSMaximum
Range of AIS severity codes - ANSWERS1-6
Is "DEATH" part of the AIS severity scale? - ANSWERSNo
Does a linear relationship exist between AIS severity codes? - ANSWERSNo
(T/F) Injuries within the same code may not be strictly compatible. - ANSWERST
AIS .9 - ANSWERSUnknown
(T/F) The AIS single digit severity number indicates the relative severity of injury in an
"average person" who sustains the coded injury as his only injury. - ANSWERST
,Average Patient - ANSWERSAdult 25-40 years of age
Free of pre-existing conditions
Free of treatment complications
Receiving timely, appropriate care for the injury
Pre-dot Code - ANSWERS6 digits to the left of decimal point
AIS Severity Number - ANSWERSA single digit to the right of the decimal point.
Body Region - ANSWERSThe first number in the pre-dot code stands for?
Type of Anatomic Structure - ANSWERSThe second number in the pre-dot code stands
for?
Specific Anatomic Structure - ANSWERSThe third & fourth numbers in the pre-dot code
stands for?
Level of injury within the specific body region and anatomic structure - ANSWERSThe
fifth & sixth numbers in the pre-dot code stands for?
(T/F) AIS assesses the severity of single injuries. - ANSWERST
(T/F) The ISS is the sum of the squares of the highest AIS in each of the (3) most
severity injured ISS body regions. - ANSWERST
There are how many ISS body regions? - ANSWERS6
ISS Body Regions - ANSWERSHead & Neck
Face
Chest
Abdominal & Pelvic Contents
Extremities & Pelvic Girdle
External
Head & Neck - ANSWERSInclude injury to the brain, skull, cervical spine or neck
organs.
(T/F) Asphyxia is assigned to the ISS Head region? - ANSWERST
Face - ANSWERSInclude injury to mouth, ears, eyes, nose and facial bones.
Chest - ANSWERSInclude injury to abdominal and pelvic contents, including all lesions
to internal organs in the respective cavities and injuries to diaphragm, rib cage and
thoracic spine.
(T/F) Drowning is assigned to the Chest region? - ANSWERST
, (T/F) The ISS is the sum of the squares of the highest AIS in each of the (5) most
severity injured ISS body regions. - ANSWERSF
(T/F) There are 9 ISS body regions? - ANSWERSF
(T/F) Asphyxia is assigned to the ISS Chest region? - ANSWERSF
(T/F) Drowning is assigned to the Head & Neck region? - ANSWERSf
Abdomen and Pelvic Area - ANSWERSInclude injury to Lumber spine lesions.
External - ANSWERSInjuries that include lacerations, contusions, abrasions,
hypothermia, electrical injury, whole body injury and burns are assigned to what region?
1-75 - ANSWERSThe ISS score ranges from what to what?
(T/F) An ISS of 75 can be derived in 2 ways: one AIS .5 injury in each of three body
regions or a single AIS .6 injury. - ANSWERST
Should patients with a AIS .9 code be included in research studies? - ANSWERSNo
Underestimation of the ISS score - ANSWERSAssigning injuries to too few body
regions can result in what?
Overestimation of the ISS Score - ANSWERSAssigning injuries to too many ISS body
regions can result in what?
Injury - ANSWERSThe anatomic lesion resulting from a transfer of energy rather than a
complication or immediate sequelae is what?
Blunt, Penetration, Burns & Selected other Trauma - ANSWERSThe AIS includes
injuries from the what mechanisms?
(T/F) The AIS sometime permits the coding of immediate sequelae, but withing strictly
defined rules? - ANSWERST
(T/F) You can code suspected, possible or rule out diagnosis? - ANSWERSF
(T/F) Clinical diagnosis alone are not codable for certain injuries. - ANSWERST
(T/F) In order to code clinical diagnosis, there must be back-up with a CT, MRI or
autopsy documentation. - ANSWERST
(T/F) Cranial Nerve Injuries or Basilar Skull Fractures are an exception to coding clinical
diagnosis. - ANSWERST
COMPLETE SOLUTIONS
Boxed & Bold Text - ANSWERSRepresent AIS coding rules and conventions and
contain directives to assist in the appropriate use of specific descriptions.
Brackets - ANSWERSDenote inclusive or exclusive information.
Parentheseses - ANSWERSInclude synonyms or occasionally, non-clinical terms and
provide a definition for the injury description.
Semicolons - ANSWERSSeparate injury descriptors that are comparable in severity.
Bold Type - ANSWERSIdentifies an anatomical structure
Italics - ANSWERSAre used for proper-named anatomical structures or injuries, and for
OIS grades.
AIS .1 - ANSWERSMinor
AIS .2 - ANSWERSModerate
AIS .3 - ANSWERSSerious
AIS .4 - ANSWERSSevere
AIS .5 - ANSWERSCritical
AIS .6 - ANSWERSMaximum
Range of AIS severity codes - ANSWERS1-6
Is "DEATH" part of the AIS severity scale? - ANSWERSNo
Does a linear relationship exist between AIS severity codes? - ANSWERSNo
(T/F) Injuries within the same code may not be strictly compatible. - ANSWERST
AIS .9 - ANSWERSUnknown
(T/F) The AIS single digit severity number indicates the relative severity of injury in an
"average person" who sustains the coded injury as his only injury. - ANSWERST
,Average Patient - ANSWERSAdult 25-40 years of age
Free of pre-existing conditions
Free of treatment complications
Receiving timely, appropriate care for the injury
Pre-dot Code - ANSWERS6 digits to the left of decimal point
AIS Severity Number - ANSWERSA single digit to the right of the decimal point.
Body Region - ANSWERSThe first number in the pre-dot code stands for?
Type of Anatomic Structure - ANSWERSThe second number in the pre-dot code stands
for?
Specific Anatomic Structure - ANSWERSThe third & fourth numbers in the pre-dot code
stands for?
Level of injury within the specific body region and anatomic structure - ANSWERSThe
fifth & sixth numbers in the pre-dot code stands for?
(T/F) AIS assesses the severity of single injuries. - ANSWERST
(T/F) The ISS is the sum of the squares of the highest AIS in each of the (3) most
severity injured ISS body regions. - ANSWERST
There are how many ISS body regions? - ANSWERS6
ISS Body Regions - ANSWERSHead & Neck
Face
Chest
Abdominal & Pelvic Contents
Extremities & Pelvic Girdle
External
Head & Neck - ANSWERSInclude injury to the brain, skull, cervical spine or neck
organs.
(T/F) Asphyxia is assigned to the ISS Head region? - ANSWERST
Face - ANSWERSInclude injury to mouth, ears, eyes, nose and facial bones.
Chest - ANSWERSInclude injury to abdominal and pelvic contents, including all lesions
to internal organs in the respective cavities and injuries to diaphragm, rib cage and
thoracic spine.
(T/F) Drowning is assigned to the Chest region? - ANSWERST
, (T/F) The ISS is the sum of the squares of the highest AIS in each of the (5) most
severity injured ISS body regions. - ANSWERSF
(T/F) There are 9 ISS body regions? - ANSWERSF
(T/F) Asphyxia is assigned to the ISS Chest region? - ANSWERSF
(T/F) Drowning is assigned to the Head & Neck region? - ANSWERSf
Abdomen and Pelvic Area - ANSWERSInclude injury to Lumber spine lesions.
External - ANSWERSInjuries that include lacerations, contusions, abrasions,
hypothermia, electrical injury, whole body injury and burns are assigned to what region?
1-75 - ANSWERSThe ISS score ranges from what to what?
(T/F) An ISS of 75 can be derived in 2 ways: one AIS .5 injury in each of three body
regions or a single AIS .6 injury. - ANSWERST
Should patients with a AIS .9 code be included in research studies? - ANSWERSNo
Underestimation of the ISS score - ANSWERSAssigning injuries to too few body
regions can result in what?
Overestimation of the ISS Score - ANSWERSAssigning injuries to too many ISS body
regions can result in what?
Injury - ANSWERSThe anatomic lesion resulting from a transfer of energy rather than a
complication or immediate sequelae is what?
Blunt, Penetration, Burns & Selected other Trauma - ANSWERSThe AIS includes
injuries from the what mechanisms?
(T/F) The AIS sometime permits the coding of immediate sequelae, but withing strictly
defined rules? - ANSWERST
(T/F) You can code suspected, possible or rule out diagnosis? - ANSWERSF
(T/F) Clinical diagnosis alone are not codable for certain injuries. - ANSWERST
(T/F) In order to code clinical diagnosis, there must be back-up with a CT, MRI or
autopsy documentation. - ANSWERST
(T/F) Cranial Nerve Injuries or Basilar Skull Fractures are an exception to coding clinical
diagnosis. - ANSWERST
