I highly suggest to get a copy of Evidence-based Physical diagnosis https://www.elsevier.com/books/evidence-based-physical-diagnosis/9780323392761 and to read the JAMA series on the Rational of Clinical exam on pertinent topics.
I highly suggest to register for the Toronto IM Review Course
https://internalmedicinereview.ca/
I attended in 2019, quite satisfied overall.
I studied for about 6 months for the written component and 6-8 weeks for the oral. Met with my study group 1-2x/week.
It is still nowhere near as hard as Medical Microbiology, but it is a challenge by itself.
NM is rather "big" in Quebec.
Nucleists got their hands on PET/CT and for historical reasons, a lot of nuclear tests are being done where a non-nuclear test would be done outside of Quebec. For example, a lot of Quebc trained clinicians order Bone & Gallium scans for bone infections where an MRI would be ordered elsewhere....
All students, residents, fellows and attendings should deserve at least 15 minutes to take some time off and/or eat something every 4 to 6 hours.
Even on ICU or a busy consultation service or surgical service, there is no excuse.
In the vast majority of the cases, no, it changes nothing.
Research background can be obtained during the MD degree and extra training can be done (M.Sc) during or after residency.
Public or private, it doesn't matter. I suggest you chose a CEGEP based on proximity of your home .
Maisonneuve, Bois-De-Boulogne, Marianopolis, Bréboeuf will all give you the chance you need to succeed.
Good luck.