Which trait on the Personality Inventory for DSM-5 is associated with extreme openness to experience?

During the preoperational stage, children's use of ___________ thinking grows, mental reasoning emerges, and the use of concepts increases

a. concrete c. symbolic b. formal d. sensory

The fundamental building block of the nervous system is the

a. nerve b. brain c. neuron d. spinal cord e. pituitary gland