A 15-year-old male suffered diffuse brain injury after wrecking an all-terrain vehicle.He had momentary confusion and retrograde amnesia after 5 to 10 minutes.His injury could be categorized as:
A) Grade I
B) Grade II
C) Grade III
D) A mild concussion

Question

Quizplus · Accepted Answer

Grade II is manifested as momentary confusion and retrograde amnesia after 5 to 10 minutes.
Grade I is manifested by confusion and disorientation with momentary amnesia.
Grade III is manifested by confusion and retrograde amnesia from impact-also anterograde amnesia.
A mild concussion does not result in memory loss.

A 15-Year-Old Male Suffered Diffuse Brain Injury After Wrecking an All-Terrain