[Enis sits on the coffee table and holds his head still.]

I want you to keep look at my eyes. I'm going to shine the light to see how your pupils dilate. [As she works she decides to answer his question. Anything to keep his ass on the seat.]

That's a television set. Development began in the 1900's and it's able to transmit video and audio for the purposes of entertainment and information. It runs on electricity which will hurt you if you start poking around the wires. Think of it like being struck by lightning.

[When she's done she sits back and exhales.]

It doesn't look like you have a concussion.