Answer Happy

QUESTION 64 A neurotransmitter is which of the following? a. A prosthetic b. A computer language OC A chemical d. A machine QUESTION 65 Why does L-dopa help to relieve Parkinson's disease? Ca. It mimics the effects of serotonin. b. Brain enzymes convert it to dopamine. c. It removes phenylalanine from circulation. Od. It increases the metabolic rate of mitochondria. QUESTION 66 How do Piaget's cognitive stages resemble Erikson's stages of social and emotional development? a. People progress through the stages in a fixed order. b. Some people can skip over one of the stages altogether. Oc. Education increases the speed of progressing through the stages. d. The stages vary substantially from one culture to another.