CAISS Question and Answer (2026) | Newest Update Verified Answers with Detailed Rationales | A+ Verified

CAISS Question and Answer (2026) |
Newest Update Verified Answers with
Detailed Rationales | A+ Verified
• Boxed & Bold Text . Answer: Represent AIS coding rules and conventions and
contain directives to assist in the appropriate use of specific descriptions.


• Brackets . Answer: Denote inclusive or exclusive information.


• Parentheseses . Answer: Include synonyms or occasionally, non-clinical terms
and provide a definition for the injury description.


• Semicolons . Answer: Separate injury descriptors that are comparable in severity.


• Bold Type . Answer: Identifies an anatomical structure


• Italics . Answer: Are used for proper-named anatomical structures or injuries, and
for OIS grades.


• AIS .1 . Answer: Minor


• AIS .2 . Answer: Moderate


• AIS .3 . Answer: Serious


• AIS .4 . Answer: Severe

,• AIS .5 . Answer: Critical


• AIS .6 . Answer: Maximum


• Range of AIS severity codes . Answer: 1-6


• Is "DEATH" part of the AIS severity scale? . Answer: No


• Does a linear relationship exist between AIS severity codes? . Answer: No


• (T/F) Injuries within the same code may not be strictly compatible. . Answer: T


• AIS .9 . Answer: Unknown


• (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. .
Answer: T


• Average Patient . Answer: Adult 25-40 years of age
Free of pre-existing conditions
Free of treatment complications
Receiving timely, appropriate care for the injury


• Pre-dot Code . Answer: 6 digits to the left of decimal point


• AIS Severity Number . Answer: A single digit to the right of the decimal point.

,• Body Region . Answer: The first number in the pre-dot code stands for?


• Type of Anatomic Structure . Answer: The second number in the pre-dot code
stands for?


• Specific Anatomic Structure . Answer: The third & fourth numbers in the pre-dot
code stands for?


• Level of injury within the specific body region and anatomic structure . Answer:
The fifth & sixth numbers in the pre-dot code stands for?


• (T/F) AIS assesses the severity of single injuries. . Answer: T


• (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. . Answer: T


• There are how many ISS body regions? . Answer: 6


• ISS Body Regions . Answer: Head & Neck
Face
Chest
Abdominal & Pelvic Contents
Extremities & Pelvic Girdle
External

, • Head & Neck . Answer: Include injury to the brain, skull, cervical spine or neck
organs.


• (T/F) Asphyxia is assigned to the ISS Head region? . Answer: T


• Face . Answer: Include injury to mouth, ears, eyes, nose and facial bones.


• Chest . Answer: Include 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? . Answer: T


• (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. . Answer: F


• (T/F) There are 9 ISS body regions? . Answer: F


• (T/F) Asphyxia is assigned to the ISS Chest region? . Answer: F


• (T/F) Drowning is assigned to the Head & Neck region? . Answer: f


• Abdomen and Pelvic Area . Answer: Include injury to Lumber spine lesions.


• External . Answer: Injuries that include lacerations, contusions, abrasions,
hypothermia, electrical injury, whole body injury and burns are assigned to what
region?