To qualify for a diagnosis of bulimia nervosa, compensatory behaviors must:

A) occur.
B) involve vomiting.
C) effectively cause weight loss.
D) cause pathological changes in the body.

Compensatory Behaviors

Actions undertaken to offset or make up for a perceived deficiency or problem, often seen in eating disorders.

Bulimia Nervosa

An eating disorder marked by episodes of binge eating followed by methods to prevent weight gain, such as excessive exercise or purging.

Pathological Changes

Alterations in body tissues and organs which can cause or are caused by disease.