Considering all of the chemicals inhaled with cigarette smoke, only the nicotine has an effect on the central nervous system.

The __________ perspective contends that language development is produced through a combination of genetically determined predispositions and environmental circumstances that help teach language

a) interactionist b) nativist c) universal d) learning theory

Kyra, a 16-year-old girl, is severely underweight but thinks that she is too fat. She exercises daily for 3 hours and cuts her food into very small pieces while eating. She has not gotten her periods for the last 6 months. She is usually depressed and sounds confused. In this scenario, Kyra is most likely to be diagnosed with

A. bulimia nervosa. B. pica. C. dyslexia. D. anorexia nervosa.