CAISS – Head Exam Study Guide with Complete Solutions
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Course
CAISS
Institution
CAISS
CAISS – Head Exam Study Guide with
Complete Solutions
What does AIS define as part of the Head - Answer️️ -Scalp, Skull, Brain, Intracranial
Vessels, Cranial Nerves.
What makes up the Meninges? - Answer️️ -Dura Mater(epidural/subdural),
Arachnoid(csf), pia matter(vascular membrane)
...
Temporal Artery. Can you code both injuries? - Answer✔️✔️-Yes
When is a cranial nerve coded as a laceration? - Answer✔️✔️-When there is Total Loss
of Nerve Function Paralysis
When is a Cranial Nerve coded as a Contusion? - Answer✔️✔️-When there is
subtotal/partial loss of function. Paresis / Palsy
What affects the Injury Severity Score of brain lesions? - Answer✔️✔️-Size, Location,
Multiplicity
What does "Closed Cisterns" imply? - Answer✔️✔️-Brain Swelling
At what age are brain severity injuries adjusted? - Answer✔️✔️-10 & younger
If a single fracture involves both base and vault; how do you code? - Answer✔️✔️-Code
the most severe. If equal code to the point of origin.
How should all skull fractures be coded? - Answer✔️✔️-Code to Vault unless specified as
base.
What bones are included in a Skull Base Fracture? - Answer✔️✔️-Ethmoid, Sphenoid,
Orbital Roof, Petrous, Mastoid of Temporal
Given evidence of head injury; what can be used to corroborate a diagnosis of basilar
skull fracture? - Answer✔️✔️-Battle Signs, CSF (Otorrhea/Rhinorrhea) or Raccoon Eyes
Diagnosis of shearing of white matter with immediate prolonged coma; - Answer✔️✔️-
Diffuse Axonal Injury (DAI)
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