Knowledge Check - Medicine Digital Learning

While this knowledge check is “open book,” the best way to learn is to practice spaced-repetition “free recall.” Try to answer these without looking at the answers.

1. A consequence of repeated knock-outs in a professional boxer.

2. Most likely injury in a 14-year-old riding a 4-wheeler, wearing a helmet, falls and hits the side of his temple/ear and loses consciousness.

3. Crescent-shaped white area on CT after a 78-year-old man on rivaroxaban falls at home and is brought to the ED with new confusion.

4. Diagnosis in a young woman who fell and hit her head on cement arrives in ED with severe headache and negative non-contrast head CT. LP shows xanthochromia.

5. X-ray finding predictive of epidural hematoma.

6. Diagnosis in an unconscious patient in a car crash with CT showing hyperintensity at gray/white matter junction.

7. Hallmark consequence of a second concussive blow in a patient recovering from a primary concussion.

Check your answers

CTE (Chronic traumatic encephalopathy)
Epidural hematoma
Subdural hematoma
Subarachnoid hemorrhage
Skull fracture
Diffuse axonal injury
Diffuse cerebral edema (second impact syndrome)