There is a spot on the retina commonly called the "blind spot." The blind spot exists because ______
a. you don't see at the fovea
b. there are no ganglion cells there
c. there are no receptors where the optic nerve leaves the eye
d. the cones in the optic disk are very insensitive to light
C
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The curriculum director for a school district is making arrangements to bring the works of Shakespeare into the classroom. What is the earliest grade that can appreciate these great works of literature?
A. first grade B. third grade C. sixth grade D. eighth grade
The highest rates of asthma are seen in __________ children.
A. middle-SES B. white C. low-SES D. rural
Which of the following is true of the line between volunteering and internships?
A. It is not always important. B. It is not always organized. C. It is clearly identified. D. It is not always clear.
In some North African and Middle Eastern societies, people thought to be possessed by spirits exhibit symptoms that include shouting, laughing, singing, weeping, hitting one's head against a wall, apathy or withdrawal. This culture-bound syndrome is known as
a. amok. b. koro. c. zar. d. hikikomori.