'who accepts new patients'. This is a dependent clause because it is dependent on the other part of the sentence to have it make sense.
It's basically all of them but they also need to worry about what the consumers want and what kind of product they will sell.
Maybe some medical condition :)
An event causing great and often sudden damage or suffering; a disaster.
"A national economic catastrophe"
<span>This one: The man with a big nose drove the truck.
The others have misplaced modifiers. </span>