Dagacci Medical Uniform Women's Scrub Set Stretch and Soft Y-Neck Top and Pants

i’m 5’3 weigh 160 . i’m also a little big in the tummy area. what size should i get?

What White scrub jacket would go with this set?

What size should I get if I wear a 0/2?

How can change a different size of the top I wanna buy small top and medium bottom I'm 5'4 170lbs do u think that's a good size for me?