CAISS PRACTICE EXAMINATION 2026
QUESTIONS WITH ANSWERS GRADED A+
◍ Genitourinary tract.
Answer: urinary tract and reproductive organs. Kidneys produce urine, send
it to the Ureter, Bladder and out the body through the Urethra.
◍ In the face region, the external carotid artery branches include what 3
arteries?.
Answer: 1) facial2) temporal3) internal maxillary
◍ T/F For pts who died before radiology, and no autopsy is performed, a
clinical diagnoses of multiple rib fxs made by detecting thoracic cage
instability is acceptible for AIS coding..
Answer: True - multiple rib fractures NFS 450210.2
◍ The anterior arch of the pelvis includes ___________ and ___________..
Answer: 1) pubic rami2) symphyseal joint
◍ Intraperitoneal.
Answer: within the peritoneal cavity that contains the abdominal organs
◍ In the AIS coding book what do parentheses indicate?.
Answer: Includes synonyms, occasionally no clinical terms
◍ What terms would exclude coding of an injury?.
Answer: Rule Out, Suspicious for, Probable or Possible
◍ As a general rule what is 20% blood loss?.
Answer: 1000 cc
◍ The posterior arch of the pelvis includes _________, _________, and
__________..
Answer: 1) sacrum2) SI joints & their ligaments3) posterior ilium
,◍ Define Vessel Dissection.
Answer: Coded as an intimal tear.
◍ What are the AIS categories?.
Answer: Head, Neck, Thorax, Abdomen, Spine, Upper Extremity, Lower
Extremity, External/Other
◍ Describe a superficial penetrating injury.
Answer: Skin, subcutaneous or muscle only without underlying organ or
bony involvement
◍ How is the ISS calculated?.
Answer: It is the sum of squares of the highest AIS scores in 3 different
body regions
◍ Define a Major Laceration.
Answer: Injury in which the tissues are torn from a blunt or penetrating
force. It must involved deeper tissues; subcutaneous and possibly muscle
causing jagged or irregular edges. This type of wound would require
extensive cleaning, removal of debris, revision of jagged edges and a
layered closure
◍ ossicular chain.
Answer: face (ear bone)
◍ Major/Complex Laceration.
Answer: Injury in which the tissues are torn from a blunt or penetrating
force. It must. Involve deeper tissues (subcutaneous &/or muscle) causing
jagged or irregular edges. Usually requires a layered closure, revision of the
jagged edges or extensive cleaning or removal of debris.
◍ Joint capsule laceration includes __________, ___________ &
_____________..
Answer: 1) rupture2) tear3) avulsion
◍ Which AIS value is considered Critical.
Answer: AIS of 5
, ◍ What does an AIS of 3 Indicate?.
Answer: Serious injury
◍ Gastrointestinal Tract.
Answer: The digestive passage way from the mouth to the anus. Mouth,
Esophagus, Stomach, small intestine, large intestine, rectum, anus
◍ What are the 4 named arteries included in the abdomen?.
Answer: 1) aorta (also included in chest region)2) celiac3) iliac (common,
internal, external)4) superior mesenteric
◍ Cranial nerve injuries are coded separately from other brain injuries, except
for _______________ and _______________ type injuries, which include
all injuries to the brain..
Answer: 1) crush type2) massive penetrating
◍ septum.
Answer: chest (intracardiac septum)
◍ median nerve.
Answer: upper extremity
◍ What does Severity Unspecified indicate?.
Answer: It indicates that there was a laceration or specified injury type in a
particular area but does not address the level of severity. A laceration to the
Kidney without further information would be Kidney laceration, NFS.
◍ What are the 2 named veins in the lower extremity section?.
Answer: 1) femoral vein2) popliteal vein
◍ navicular.
Answer: lower extremity (foot bone)
◍ What does the following sign indicate; >20?.
Answer: Greater than 20. 21 or more.
◍ Vasospasm.
Answer: May or may not show on imaging. It is a result of injury not an
QUESTIONS WITH ANSWERS GRADED A+
◍ Genitourinary tract.
Answer: urinary tract and reproductive organs. Kidneys produce urine, send
it to the Ureter, Bladder and out the body through the Urethra.
◍ In the face region, the external carotid artery branches include what 3
arteries?.
Answer: 1) facial2) temporal3) internal maxillary
◍ T/F For pts who died before radiology, and no autopsy is performed, a
clinical diagnoses of multiple rib fxs made by detecting thoracic cage
instability is acceptible for AIS coding..
Answer: True - multiple rib fractures NFS 450210.2
◍ The anterior arch of the pelvis includes ___________ and ___________..
Answer: 1) pubic rami2) symphyseal joint
◍ Intraperitoneal.
Answer: within the peritoneal cavity that contains the abdominal organs
◍ In the AIS coding book what do parentheses indicate?.
Answer: Includes synonyms, occasionally no clinical terms
◍ What terms would exclude coding of an injury?.
Answer: Rule Out, Suspicious for, Probable or Possible
◍ As a general rule what is 20% blood loss?.
Answer: 1000 cc
◍ The posterior arch of the pelvis includes _________, _________, and
__________..
Answer: 1) sacrum2) SI joints & their ligaments3) posterior ilium
,◍ Define Vessel Dissection.
Answer: Coded as an intimal tear.
◍ What are the AIS categories?.
Answer: Head, Neck, Thorax, Abdomen, Spine, Upper Extremity, Lower
Extremity, External/Other
◍ Describe a superficial penetrating injury.
Answer: Skin, subcutaneous or muscle only without underlying organ or
bony involvement
◍ How is the ISS calculated?.
Answer: It is the sum of squares of the highest AIS scores in 3 different
body regions
◍ Define a Major Laceration.
Answer: Injury in which the tissues are torn from a blunt or penetrating
force. It must involved deeper tissues; subcutaneous and possibly muscle
causing jagged or irregular edges. This type of wound would require
extensive cleaning, removal of debris, revision of jagged edges and a
layered closure
◍ ossicular chain.
Answer: face (ear bone)
◍ Major/Complex Laceration.
Answer: Injury in which the tissues are torn from a blunt or penetrating
force. It must. Involve deeper tissues (subcutaneous &/or muscle) causing
jagged or irregular edges. Usually requires a layered closure, revision of the
jagged edges or extensive cleaning or removal of debris.
◍ Joint capsule laceration includes __________, ___________ &
_____________..
Answer: 1) rupture2) tear3) avulsion
◍ Which AIS value is considered Critical.
Answer: AIS of 5
, ◍ What does an AIS of 3 Indicate?.
Answer: Serious injury
◍ Gastrointestinal Tract.
Answer: The digestive passage way from the mouth to the anus. Mouth,
Esophagus, Stomach, small intestine, large intestine, rectum, anus
◍ What are the 4 named arteries included in the abdomen?.
Answer: 1) aorta (also included in chest region)2) celiac3) iliac (common,
internal, external)4) superior mesenteric
◍ Cranial nerve injuries are coded separately from other brain injuries, except
for _______________ and _______________ type injuries, which include
all injuries to the brain..
Answer: 1) crush type2) massive penetrating
◍ septum.
Answer: chest (intracardiac septum)
◍ median nerve.
Answer: upper extremity
◍ What does Severity Unspecified indicate?.
Answer: It indicates that there was a laceration or specified injury type in a
particular area but does not address the level of severity. A laceration to the
Kidney without further information would be Kidney laceration, NFS.
◍ What are the 2 named veins in the lower extremity section?.
Answer: 1) femoral vein2) popliteal vein
◍ navicular.
Answer: lower extremity (foot bone)
◍ What does the following sign indicate; >20?.
Answer: Greater than 20. 21 or more.
◍ Vasospasm.
Answer: May or may not show on imaging. It is a result of injury not an
