Origins of AIS (3) - correct answer. 1) Standardized system
2) Classify type/severity of injury from MVC
3) Consensus
Injury descriptors are organized _________________________ ? - correct answer.
Anatomically
Injury severity is ranked relative to its importance to _______________? - correct
answer. The whole body
AIS reflects severity of single injuries and are unaffected by what three things? - correct
answer. 1) time
2) sequela
3) outcome
What type of scale does AIS use? - correct answer. 6 point ordinal scale
Which type of measurement is more variable? Anatomic or Physiologic? - correct
answer. Physiologic
Is clinical training necessary for collecting injury data? - correct answer. NO
AIS is based on what three (3) factors? - correct answer. 1) anatomically- based
2) consensus driven
3) global
,Severity is NOT contingent upon what two (2) factors? - correct answer. 1) Outcome
2) time
Numerical ranking of severity: 1 - correct answer. minor
Numerical ranking of severity: 2 - correct answer. moderate
Numerical ranking of severity: 3 - correct answer. serious
Numerical ranking of severity: 4 - correct answer. severe
Numerical ranking of severity: 5 - correct answer. critical
Numerical ranking of severity: 6 - correct answer. maximum (currently untreatable)
Is mortality a sole determinant of AIS severity? - correct answer. NO
Are all AIS data comparable from year to year? - correct answer. NO (updates)
Is "DEATH" part of the severity scale? - correct answer. NO
Is a patient who dies automatically assigned the highest AIS severity of 6? - correct
answer. NO (patients w/ minor injuries can die)
Does a linear relationship exist between AIS severity codes? - correct answer. NO
(AIS 4 is more, NOT twice as severe as AIS 2)
Are all injuries within the same AIS code strictly compatible? - correct answer. NO
(tibia 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 patient with inadequate information regarding an injury?
- correct answer. 9
AIS single digit severity codes are based on what type of patient? - correct answer.
Average
What four (4) things define the "average" patient? - correct answer. 1) 25-40 yrs old
2) no pre-existing conditions
3) no tx complications
4) received timely/appropriate care
Approximately how many injury descriptors are included in AIS? - correct answer.
2000
, What part of the AIS code is considered the "Pre-Dot Code?" - correct answer. 6 digits
BEFORE the decimal point (left)
What part of the AIS code is considered the "AIS Severity Number?" - correct answer.
single digit after the decimal (right)
(T/F) The 6 digit pre-dot codes are unique and allow for more specificity and accurate
coding? - correct answer. TRUE
The first digit in the pre-dot code corresponds to what? - correct answer. Body Region
The second digit in the pre-dot code corresponds to what? - correct answer. Type of
anatomic structure (skeletal, solid organ)
The third/fourth digits in the pre-dot code correspond to what? - correct answer.
Specific anatomic structure (femur)
The fifth/sixth digits in the pre-dot code correspond to what? - correct answer. Level of
injury within the specific body region and anatomic structure (NFS, minor, major)
Parenthesis in the AIS dictionary indicate what? - correct answer. synonyms or
definitions for injury types
Brackets in the AIS dictionary indicate what? - correct answer.
inclusionary/exclusionary info, OIS Grades
Boxed bold type in the AIS dictionary indicates what? - correct answer. directions to
help coder choose appropriate code
Semicolons in the AIS dictionary indicate what? - correct answer. separate injury
descriptors that are comparable in severity
Italics in the AIS dictionary indicate what? - correct answer. proper-named
injuries/structures, OIS grades
Does AIS assess the severity of multiple injuries? - correct answer. NO (single injury
severity only)
The injury Severity Score (ISS) is defined as what? - correct answer. 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? - correct answer. 1) head & neck
2) face
3) chest
4) abdomen & pelvic organs
5) extremities & pelvis
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