CAISS Thorax Exam Latest Actual Exam And
Practice Exam 2026-2027 With Complete Questions
And Correct Detailed Answers| Brand New Version!
What divides the right and left ventricle of the heart? - CORRECT
ANSWER-Intracardiac Septum
What does "Hemo" mean? - CORRECT ANSWER-Blood
When air is in the bloodstream. - CORRECT ANSWER-Air Embolus
What does "Pneumo" mean? - CORRECT ANSWER-Air
Where is the mediastinum located? - CORRECT ANSWER-between the
lungs
When using AIS coding for ribs do you are right ribs coded separately
from left? - CORRECT ANSWER-No. Should be coded as an anatomical
structure....unless there is flail on one side and non-fail on the other.
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, What is a persistent air leak? - CORRECT ANSWER-It is an air leak that
lasts more than 48 hours. Injury is more severe than a pneumothorax.
Other name for Intercardiac septum - CORRECT ANSWER-
Intraventricular Septum
How is degloving coded in the Thorax? - CORRECT ANSWER-Coded as an
Avulsion
How is the Intracardiac Chordae Tendinae coded? - CORRECT ANSWER-
Severity 5 includes the Papillary Muscle injury
How much blood loss indicates greater than 20% - CORRECT ANSWER-
1000 cc for majority. For Peds and individuals with smaller blood
volumes use 20%
How is a thoracic injury NFS coded? - CORRECT ANSWER-Thoracic Cavity
Injury. Code to severity 9
How is a Traumatic Pneumatocele coded? - CORRECT ANSWER-It is a
sequela resulting from a pulmonary injury
2|Page
Practice Exam 2026-2027 With Complete Questions
And Correct Detailed Answers| Brand New Version!
What divides the right and left ventricle of the heart? - CORRECT
ANSWER-Intracardiac Septum
What does "Hemo" mean? - CORRECT ANSWER-Blood
When air is in the bloodstream. - CORRECT ANSWER-Air Embolus
What does "Pneumo" mean? - CORRECT ANSWER-Air
Where is the mediastinum located? - CORRECT ANSWER-between the
lungs
When using AIS coding for ribs do you are right ribs coded separately
from left? - CORRECT ANSWER-No. Should be coded as an anatomical
structure....unless there is flail on one side and non-fail on the other.
1|Page
, What is a persistent air leak? - CORRECT ANSWER-It is an air leak that
lasts more than 48 hours. Injury is more severe than a pneumothorax.
Other name for Intercardiac septum - CORRECT ANSWER-
Intraventricular Septum
How is degloving coded in the Thorax? - CORRECT ANSWER-Coded as an
Avulsion
How is the Intracardiac Chordae Tendinae coded? - CORRECT ANSWER-
Severity 5 includes the Papillary Muscle injury
How much blood loss indicates greater than 20% - CORRECT ANSWER-
1000 cc for majority. For Peds and individuals with smaller blood
volumes use 20%
How is a thoracic injury NFS coded? - CORRECT ANSWER-Thoracic Cavity
Injury. Code to severity 9
How is a Traumatic Pneumatocele coded? - CORRECT ANSWER-It is a
sequela resulting from a pulmonary injury
2|Page