Display rules involve universal, biologically-based emotional displays evoked by particular emotional situations

Young infants cannot appreciate the carnival game in which a pea seems to disappear from under a walnut because they have not yet developed a sense of:

a) conservation. b) object permanence. c) accommodation. d) egocentrism.

What is the approximate top speed for a long, myelinated axon to transmit an action potential in the human body?

a) 2.24 miles per hour b) 50 miles per hour c) 224 miles per hour d) 500 miles per hour