CAISS Anatomical Terminology & Injury Description 4

Question 1

In AIS terminology, what distinguishes an 'open' fracture from a 'closed' fracture?

Accepted Answer

Open fractures have bone exposed through the skin while closed fractures do not

Answer

An open (compound) fracture involves the broken bone penetrating through the skin, creating an external wound, whereas a closed fracture has intact overlying skin.

Question 2

What does the anatomical term 'mediastinum' refer to in chest injury documentation?

Accepted Answer

The central compartment of the thorax between the lungs

Answer

The mediastinum is the central compartment of the thoracic cavity containing the heart, great vessels, trachea, and esophagus.

Question 3

When an AIS coder notes 'bilateral' pneumothorax, what does this mean?

Accepted Answer

Pneumothorax present on both sides of the chest

Answer

Bilateral means affecting both sides, so bilateral pneumothorax indicates air in the pleural space on both the left and right sides.

Question 4

Which anatomical region is described by the term 'lumbar' in spinal injury coding?

Accepted Answer

Lower back region (L1-L5)

Answer

The lumbar region refers to the lower back portion of the spine, consisting of vertebrae L1 through L5.

Question 5

What does 'laceration' specifically describe in wound classification?

Accepted Answer

An irregular tearing wound caused by blunt or sharp force

Answer

A laceration is an irregular, jagged wound caused by tearing of tissue, as opposed to the clean cut of an incision.

(CAISS) Certified Abbreviated Injury Scale Specialist Practice Test

(CAISS) Certified Abbreviated Injury Scale Specialist Practice Test

CAISS Anatomical Terminology & Injury Description 4