CAISS Questions and
Complete Solutions Graded A+
Perforation - Answer: hole or break or opening made through the entire thickness of a membrane, wall
or other tissue of an organ or structure of the body
Rupture - Answer: breaking open or bursting to forcibly resulting in a hole, break, or opening with
stellate edges or devitalized tissue
AIS assesses: - Answer: assesses the severity of single injuries
ISS assesses: - Answer: assesses the severity of multiply injured patients
ISS equation - Answer: sum of the squares of the highest AIS in each of the three most severely injured
body regions
A2 + B2 + C2 = ISS
Body regions used to calculate ISS - Answer: 1. Head and Neck
2. Face
3. Chest
4. Abdominal and pelvic contents
5. Extremities and pelvic girdle
6. External
Chapters included in Head/Neck body region - Answer: Head, Neck, C-spine, other trauma (asphyxia)
Chapters included in Face body region - Answer: Face
Chapters included in Chest body region - Answer: Thorax, Thoracic Spine, Other Truma (drowning)
, Chapters included in Abdomen and Pelvic Contents body region - Answer: Abdomen, Lumbar Spine
Chapters included in Extremity and Pelvic Girdle body region - Answer: Upper Extremity, Lower
Extremity, Bones of the Pelvis
Chapters included in External body region - Answer: Penetrating injury sections, blunt soft tissue injury
sections, external/skin and thermal injuries, electrical injury, hypothermia, whole body injury
Define: Injury - Answer: anatomic lesion resulting from a transfer of energy (mechanical, chemical,
thermal)
Open fracture - Answer: skin overlying fracture is lacerated
Closed fracture - Answer: skin overlying fracture is not lacerated
Articular Fracture - Answer: fracture involving the joint
Communited fracture - Answer: multiple bone fragments
Displaced fracture - Answer: two ends of bone are not aligned
Complex fracture - Answer: Fracture with three or more fragments with the proximal and distal
fragments not touching
Sprain - Answer: injury to joints: knee, ankle, shoulder, etc
Strain - Answer: injury to muscles, tendons, etc.
Complete Solutions Graded A+
Perforation - Answer: hole or break or opening made through the entire thickness of a membrane, wall
or other tissue of an organ or structure of the body
Rupture - Answer: breaking open or bursting to forcibly resulting in a hole, break, or opening with
stellate edges or devitalized tissue
AIS assesses: - Answer: assesses the severity of single injuries
ISS assesses: - Answer: assesses the severity of multiply injured patients
ISS equation - Answer: sum of the squares of the highest AIS in each of the three most severely injured
body regions
A2 + B2 + C2 = ISS
Body regions used to calculate ISS - Answer: 1. Head and Neck
2. Face
3. Chest
4. Abdominal and pelvic contents
5. Extremities and pelvic girdle
6. External
Chapters included in Head/Neck body region - Answer: Head, Neck, C-spine, other trauma (asphyxia)
Chapters included in Face body region - Answer: Face
Chapters included in Chest body region - Answer: Thorax, Thoracic Spine, Other Truma (drowning)
, Chapters included in Abdomen and Pelvic Contents body region - Answer: Abdomen, Lumbar Spine
Chapters included in Extremity and Pelvic Girdle body region - Answer: Upper Extremity, Lower
Extremity, Bones of the Pelvis
Chapters included in External body region - Answer: Penetrating injury sections, blunt soft tissue injury
sections, external/skin and thermal injuries, electrical injury, hypothermia, whole body injury
Define: Injury - Answer: anatomic lesion resulting from a transfer of energy (mechanical, chemical,
thermal)
Open fracture - Answer: skin overlying fracture is lacerated
Closed fracture - Answer: skin overlying fracture is not lacerated
Articular Fracture - Answer: fracture involving the joint
Communited fracture - Answer: multiple bone fragments
Displaced fracture - Answer: two ends of bone are not aligned
Complex fracture - Answer: Fracture with three or more fragments with the proximal and distal
fragments not touching
Sprain - Answer: injury to joints: knee, ankle, shoulder, etc
Strain - Answer: injury to muscles, tendons, etc.
