Health Medical Homework Help

I need help with a Health & Medical question. All explanations and answers will be used to help me learn.

If you’re having a cardiac arrest, which of your organs has stopped working?

What is the American equivalent of the A&E department in British hospitals?

Which coronavirus strain did President Trump get, along with more than 30 other participants, at a White House event in October 2020?

Which medicine has the brand names Brufen, Advil, Motrin, and Nurofen?

How many patellas are there in a human?