Complete Questions and Guide Answers
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1. Origins of AIS (3)
Answer: 1) Standardized system
2) Classify type/severity of injury from MVC
3) Consensus
2. Injury descriptors are organized ?
Answer: Anatomically
3. Injury severity is ranked relative to its importance to ?
Answer: The whole body
4. AIS reflects severity of single injuries and are unaffected by what three things?
Answer: 1) time
2) sequela
3) outcome
,5. What type of scale does AIS use?
Answer: 6 point ordinal scale
6. Which type of measurement is more variable? Anatomic or Physiologic?
Answer: Phys- iologic
7. Is clinical training necessary for collecting injury data?
Answer: NO
8. AIS is based on what three (3) factors?
Answer: 1) anatomically- based
2) consensus driven
3) global
9. Severity is NOT contingent upon what two (2) factors?
Answer: 1) Outcome
2) time
10. Numerical ranking of severity 1
Answer: minor
11. Numerical ranking of severity 2
Answer: moderate
,12. Numerical ranking of severity 3
Answer: serious
13. Numerical ranking of severity 4
Answer: severe
14. Numerical ranking of severity 5
Answer: critical
15. Numerical ranking of severity: 6
Answer: maximum (currently untreatable)
16. Is mortality a sole determinant of AIS severity?
Answer: NO
17. Are all AIS data comparable from year to year?
Answer: NO (updates)
18. Is "DEATH" part of the severity scale?
Answer: NO
19. Is a patient who dies automatically assigned the highest AIS severity of 6?
Answer: NO (patients w/ minor injuries can die)
20. Does a linear relationship exist between AIS severity codes?
Answer: NO(AIS4ismore,NOT twice as severe as AIS 2)
, 21. Are all injuries within the same AIS code strictly compatible?
Answer: NO (tibia fx & alveolar ridge are both AIS - 2, although one may be worse than the other, both are considered
'moderate')
22. What AIS code is assigned to a patient with inadequate information regard- ing an
injury?
Answer: 9
23. AIS single digit severity codes are based on what type of patient?
Answer: Average
24. What four (4) things define the "average" patient?
Answer: 1) 25-40 yrs old
2) no pre-existing conditions
3) no tx complications
4) received timely/appropriate care
25. Approximately how many injury descriptors are included in AIS?
Answer: 2000
26. What part of the AIS code is considered the "Pre-Dot Code?"
Answer: 6 digits BEFORE the decimal point (left)