A 15-year-old adolescent tells the school nurse that he is busy preparing for a forensics ...

ANS: B
Piaget's final stage of cognitive development is the formal operational stage, during which the 11- to 15-year-old child uses abstract reasoning to handle difficult concepts and to analyze both sides of an issue. In the concrete operational stage, the 7- to 11-year-old child is much more able to organize thought in a logical order. The child is able to categorize and label objects. It is also possible at this stage for the child to solve concrete problems. In the preoperational stage, the child is still not capable of logical thinking, but due to an increased ability to use words and actions together, the child is increasingly able to connect cognitively with the world. The sensorimotor stage is the initial stage, from birth to age 2, in which primary cognition takes place through the senses.