Three's Company was a a funny sitcom Chrissy,
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but making lies about our system is just plain pathetic.
I haven't had a GP(Family Doctor) for over a decade - but NEVER denied care for even the simplest ailment.
I live in a small town where the aging population (I'm part of that) has strained our GPs to the point where they cannot take any more patients -
BUT they all take turns covering our emergency ward sort of like a clinic - larger towns/cities have permanent clinics - sometime you might have to wait an hour or so, but our triage system makes certain that the more serious ailments get taken care of first.
If you go in for a painful ingrown toenail, you may have to wait many hours while Doctors and nurses take care of burns, broken bones, heart pain, etc., BUT YOU WILL GET YOUR TOENAIL TAKEN CARE OF!
Heck, I even got an ambulance ride in minutes just for severe diarrhea, so bad I figured I wouldn't make the 5 mile drive without shitting myself, and certainly was not going to call a cab or a friend to shit their vehicle up.
I was diagnosed quickly, vitals and blood work done, then x-rays (in video mode no less) - given some medication, and fed a good meal 3 hours later, observed for 2 hours then sent home.
My cost - NOT ONE DIME - well, except fr the cab ride home - $10.
The meal and meds were worth more than that . . .
On the dog thing Chrissy - YA GOTTA PAY BIG BUCKS FOR THAT - doh!
And either your sister-in-law is as dumb as Chrissy, or that story is just baloney.
By the way, our healthcare is funded through taxes on our paychecks, of which I have had none (paychecks) for over 5 years - Welfare, then a small pension - -
I'm covered the same as anyone else.
Dis be Canada, Chrissy - -
you be 
CC