So i was reading the wiki and saw a recommendation of Guyton and Halls Physiology and Robbins Pathology and lots of...

It's pretty tough, but that's pretty much what's required, people who don't do that have to do other things, but they still have to get their head around the same amount of material. If you're fine with slightly lower grades you can generally skip the books and only study from class notes and presentations, and you could still hit 90+ on most subjects and 80+ on the hard ones.