CSTR Exam Study Guide Part 2 (AIS,ISS, NISS, OIS And
TRISS Information) – Questions With Solutions
AIS Right Ans - Abbreviated Injury Scale. Anatomical Scoring system that
ranks accident severity. Used by emergency medical personnel.
AIS Body Regions Right Ans - 1. Head/Neck
2.Face
3.Chest/Thorax
4.Abd/Pelvic Contents
5.Extremities/Pelvic Girdle
6.External-Skin & Burns
AIS Body Regions Combines for ISS Body region 1 Right Ans - Head and
Neck
AIS Code Descriptions-Parenthesis Right Ans - Contain synonyms for
specific type of injury, provide a definition for the injury description
AIS Code Descriptions-Boxed Bold Type Right Ans - Contains directives to
assist the coder in the appropriate use of specific description.
AIS Code Descriptions-Brackets Right Ans - Contain inclusionary or
exclusionary information, contain organ injury scale grade (OIS 3)
AIS Code Descriptions-Italics Right Ans - Used for proper-names
anatomical structures or injuries, and for OIS grades
AIS Code Descriptions-Semicolons Right Ans - Separate injury descriptions
that are comparable in severity
AIS Codes-Fifth and Sixth digit Right Ans - Level of injury within the
specific body region and anatomic structure
AIS Codes-First dot Right Ans - Body Region
AIS Codes-Post dot Right Ans - AIS Injury Severity Number
, AIS Codes-Second digit Right Ans - Type of Anatomic Structure
AIS Codes-Third and Fourth digit Right Ans - Specific Anatomic Structure
AIS Components Right Ans - Body Region, Type of Anatomic Structure,
Specific Anatomic Structure, Level, Decimal, AIS
AIS Components-Breakdown Right Ans - Body Region (1st number), Type
of Anatomic Structure (2nd number), Specific Anatomic Structure (3rd-4th),
Level (5th-6th), Decimal, AIS Severity Number=3
AIS Components-Numerical Identifier Right Ans - 7 Digit Unique Numerical
Identifier-Pre Dot Code: 6 digits to the left of the decimal point. AIS Severity
Number: a single digit to the right of the decimal point, Injury Description-
text, Reference-to AIS 98 and FCI
AIS Injury Scale-How many body regions? Right Ans - 6
AIS main body region numbers corresponding with AIS scores-2 Right Ans
- Face
AIS main body region numbers corresponding with AIS scores-3 Right Ans
- Chest/Thorax
AIS main body region numbers corresponding with AIS scores-4 Right Ans
- Abdomen and Lumbar Spine
AIS main body region numbers corresponding with AIS scores-5 Right Ans
- Extremities,Shoulder, and Pelvis Girdle
AIS main body region numbers corresponding with AIS scores-6 Right Ans
- External,Burns,Hypothermia,Asphyxiation,Drowning,Electrocution,and Full
Body Explosion
AIS main body region numbers corresponding with AIS scores-1 Right Ans
- Head and Neck
AIS post dot-1 Right Ans - Minor
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