Ashort-term effect of anorexia might include weight loss. a. true b. false

Its a true because if you vomit right after eating your body will not process the calories consumed and you will loose weight because your not processing the calories you need for your body and to be healthy you need calories protein etc... 

Call the cops or tell an adult u trust

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.