What Is There About a Concussion That May Cause the Cognitive

question 139

Multiple Choice

What is there about a concussion that may cause the cognitive symptoms seen in some people following their injury? 

• A)When you are unconscious, your brain is not getting enough nutrients, so the longer you are unconscious, the more apt you are to have problems. 
• B)When you have a concussion, there is a very good probability that the brain is actually injured either by compression or some similar trauma. 
• C)Concussions will not cause any problems unless you are unconscious for a while, which results in a loss of blood supply to the brain. 
• D)Concussions will not cause cognitive problems unless the damage is accompanied by bleeding.

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