The change in the shape of the lens in order to focus on a visual image is known as ________

Levels of the neurotransmitters _______ and _______ are abnormal in those with anorexia nervosa as well as in obese individuals

a) norepinephrine; serotonin b) norepinephrine; acetylcholine c) dopamine; acetylcholine d) dopamine; serotonin

Pretend play is an important component of which of Erikson's psychosocial dilemmas?

a. trust versus mistrust b. autonomy versus shame and doubt c. initiative versus guilt d. industry versus inferiority