I beleve they have to get recertification every year but I may be wrong, with me reserach this is what I believe to be the correct answer
The best test would be a BMI. Hydrostatic weighing would just find their weight and wouldn't tell the doctor anything about the specific amount of fat on the body. There is no such thing as an MRK, and the Caliper test is a personality test. I hope this helps!
Answer:
the study of the structure, reaction, and composition of different kinds of substances
Explanation:

I believe it’s D
When a physician is in a hurry, it may be hard to get to certain patients, and have a certain amount of time to work with them.
I’m not completely positive with this answer, but it seems somewhat accurate.
Basketball was invented by the Canadian James Naismith in 1981.
TRUE