__________ led efforts in the United States to improve the conditions for people with psychological disorders

The last of three bones in the middle ear is attached to the ______

a. oval window c. earlobe b. round window d. organ of Corti

If a person has the inability to see even at 20 feet what a typical person can see at 200 feet (20/200) after correction, this is known as

a) blindness. b) partial sightedness. c) legally blind. d) impairment.