you're looking at a very awkward dinner scene. It features Cuddy, House, Wilson and Cuddy's mother.
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House gets a surprise visit from a clinic patient on "Larger Than Life.' It's Cuddy's mom!
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Matthew Lillard plays the Patient of the Week on the first House episode of 2011. His character collapses and is treated here by Chase and Masters.
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House Season 7 Episode 9 Quotes

We finally know what Tuab would look like if he were life-size

House

Taub: I was mugged once. When I saw the gun, my legs went out.
Dr. Chase: I always thought it was fight or flight. Didn't know it was fight or flight or faint.