The average threshold for human vision is a candle flame seen from ________ on a dark, clear night

What is the current consensus regarding the relationship between attention-deficit/hyperactivity disorder (ADHD)and oppositional-defiant disorder (ODD)?

a. The two disorders are essentially the same. b. ODD tends to resolve itself with time, while ADHD is more often a lifelong problem. c. The two disorders are fundamentally different. d. The two are separate but frequently comorbid.

Hypothyroidism in infancy leads to

a. severe intellectual disability. b. acromegaly. c. virilism. d. spina bifida.