Exam (elaborations)
CAISS CERTIFICATION FINAL EXAM UPDATE WITH VERIFIED ANSWERS
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CAISS CERTIFICATION FINALEXAM 2024-2025 UPDATE WITH
VERIFIED ANSWERS
Origins of AIS (3)
1) Standardized system
2) Classify type/severity of injury from MVC
3) Consensus
Injury descriptors are organized _________________________ ?
Anatomically
Injury severity is ranked relaFve to its importance to _______________?
The whole body
AIS reflects severity of single injuries and are unaffected by what three things?
1) Fme
2) sequela
3) outcome
What type of scale does AIS use?
6 point ordinal scale
Which type of measurement is more variable? Anatomic or Physiologic?
Physiologic
Is clinical training necessary for collecFng injury data?
NO
AIS is based on what three (3) factors?
1) anatomically- based
2) consensus driven
3) global
,Severity is NOT conFngent upon what two (2) factors?
1) Outcome
2) Fme
Numerical ranking of severity: 1
Minor
Numerical ranking of severity: 2
Moderate
Numerical ranking of severity: 3
Serious
Numerical ranking of severity: 4
Severe
Numerical ranking of severity: 5
CriFcal
Numerical ranking of severity: 6
Maximum (currently untreatable)
Is mortality a sole determinant of AIS severity?
NO
Are all AIS data comparable from year to year?
NO (updates)
Is "DEATH" part of the severity scale?
NO
Is a paFent who dies automaFcally assigned the highest AIS severity of 6?
NO (paFents w/ minor injuries can die)
Does a linear relaFonship exist between AIS severity codes?
NO (AIS 4 is more, NOT twice as severe as AIS 2)
Are all injuries within the same AIS code strictly compaFble?
,NO (Fbia fx & alveolar ridge are both AIS - 2, although one may be worse than
the other, both are considered 'moderate')
What AIS code is assigned to a paFent with inadequate informaFon regarding
an injury?
9
AIS single digit severity codes are based on what type of paFent?
Average
What four (4) things define the "average" paFent?
1) 25-40 yrs old
2) no pre-exisFng condiFons
3) no tx complicaFons
4) received Fmely/appropriate care
Approximately how many injury descriptors are included in AIS?
2000
What part of the AIS code is considered the "Pre-Dot Code?"
6 digits BEFORE the decimal point (led)
What part of the AIS code is considered the "AIS Severity Number?"
Single digit ader the decimal (right)
(T/F) The 6 digit pre-dot codes are unique and allow for more specificity and
accurate coding?
TRUE
The first digit in the pre-dot code corresponds to what?
Body Region
The second digit in the pre-dot code corresponds to what?
Type of anatomic structure (skeletal, solid organ)
The third/fourth digits in the pre-dot code correspond to what?
Specific anatomic structure (femur)
, The fidh/sixth digits in the pre-dot code correspond to what?
Level of injury within the specific body region and anatomic structure (NFS,
minor, major)
Parenthesis in the AIS dicFonary indicate what?
Synonyms or definiFons for injury types
Brackets in the AIS dicFonary indicate what?
Inclusionary/exclusionary info, OIS Grades
Boxed bold type in the AIS dicFonary indicates what?
DirecFons to help coder choose appropriate code
Semicolons in the AIS dicFonary indicate what?
Separate injury descriptors that are comparable in severity
Italics in the AIS dicFonary indicate what?
Proper-named injuries/structures, OIS grades
Does AIS assess the severity of mulFple injuries?
NO (single injury severity only)
The injury Severity Score (ISS) is defined as what?
Sum of the squares of highest AIS in each of three most severely injured ISS
body regions.
What are the six body regions used in the ISS?
1) head & neck
2) face
3) chest
4) abdomen & pelvic organs
5) extremiFes & pelvis
6) external
Asphyxia is assigned to which ISS region?
Head and Neck
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