CAISS - Thorax Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What does AIS define as part of Skin (excluding shoulder girdle &
the sternoclavicular
Chest? region), Trachea & Esophagus below the
sternal
notch, bronchus, diaphragm, heart, lungs,
rib cage,
sternum, Thorcic vessels(including
thoracic aorta &
vena cava), Thoracic Spine
What does ISS consider as part of AIS Thorax Chapter, Thoracic Spine,
the Chest? Drowning
How is an "Open" chest wound Defined as a sucking chest wound
defined?
What region of the chest fills partly Intrapleural space.
or complete with air, blood or
mixture for a pneumothorax,
hemothorax, or
hemopneumothorax?
What does the presence of air in Tears in the airway or chest wall,
the pneumothorax
intrapleural space indicate?
, What does the presence of blood Torn blood vessels, hemothorax
in
the intrapleural space indicate?
If a patient has flail and non-flail Unilateral flail chest and rib fractures
ribs without flail
on the right side how would you are coded only as flail.
code?
How would you code rib fractures Code as two separate injuries
if
the patient had flail on the right
and
no flail on the left?
Define flail chest. Three or more adjacent ribs each fractured
in two
or more places
Is a costal cartilage fracture Yes
considered a rib fracture?
What is necessary to code lung History of trauma & verified by imaging or
contusion? autopsy.
Can you code both a lung Yes. Each are considered independent
contusion injuries in
and lung laceration? the chest
Answers with Verified Solutions | Latest
Updated 2026
What does AIS define as part of Skin (excluding shoulder girdle &
the sternoclavicular
Chest? region), Trachea & Esophagus below the
sternal
notch, bronchus, diaphragm, heart, lungs,
rib cage,
sternum, Thorcic vessels(including
thoracic aorta &
vena cava), Thoracic Spine
What does ISS consider as part of AIS Thorax Chapter, Thoracic Spine,
the Chest? Drowning
How is an "Open" chest wound Defined as a sucking chest wound
defined?
What region of the chest fills partly Intrapleural space.
or complete with air, blood or
mixture for a pneumothorax,
hemothorax, or
hemopneumothorax?
What does the presence of air in Tears in the airway or chest wall,
the pneumothorax
intrapleural space indicate?
, What does the presence of blood Torn blood vessels, hemothorax
in
the intrapleural space indicate?
If a patient has flail and non-flail Unilateral flail chest and rib fractures
ribs without flail
on the right side how would you are coded only as flail.
code?
How would you code rib fractures Code as two separate injuries
if
the patient had flail on the right
and
no flail on the left?
Define flail chest. Three or more adjacent ribs each fractured
in two
or more places
Is a costal cartilage fracture Yes
considered a rib fracture?
What is necessary to code lung History of trauma & verified by imaging or
contusion? autopsy.
Can you code both a lung Yes. Each are considered independent
contusion injuries in
and lung laceration? the chest
