During a negative after-potential, there is an outward flow of which of the following from the axon?

Caffeine will interfere with ______

a. normal cardiovascular functioning when resting b. processing of information by the cerebral cortex c. the digestion of foods and liquids d. prescribed medications like tranquilizers and sedatives

Why is it important for parents to remember that a lot of the crying that infants do in their early life occurs for no particular reason?

a. It triggers distress in those around the infants. b. It is thought to communicate important information. c. It is just a way for infants to increase lung volume. d. It has no communicative purpose.