At a case conference for physicians, the current case is a young woman reported to have a BMI of seven. What are the physicians likely to conclude about this young woman?

a) Her health is in peril; she may be suffering from anorexia nervosa.
b) She is likely to be in great physical shape because she has only 7% body fat.
c) With a body weight that is only 7% over her desirable weight, she does not have a weight problem.
d) A number this low usually indicates serious problems with obesity that are in need of immediate attention.

A