A toddler was recently diagnosed with autism spectrum disorder (ASD). The nurses teaches the family about the disorder. Which of the following behaviors does the nurse teach the family to expect as manifestations of ASD?

Somatic problems including frequent stomachaches and headaches

Destructiveness such as intentionally breaking toys, furniture, etc.

Repetitive behavior such as counting, arranging toys in a line, or hand flapping

Impulsive behavior such as throwing toys or running into the street without looking