DISORDERED EATING - Eating Disorder Labs

Question 1

Adolescent suspected of abusing
laxatives with a normal anion gap on
labs. What would support the diagnosis?
(2x)

Answer 1

Elevated bicarbonate

Question 2

13 yo with severe weight loss has
pattern of restriction and purging.
Which lab helps reveal if patient is
accurately reporting eating behavior?
(2x)

Answer 2

Amylase