How do the number of rods compare to the number of cones?
a) Rods outnumber cones by about 20 to 1.
b) There are equal numbers of rods and cones in each eye.
c) These receptors are so tiny that it is virtually impossible to count them.
d) There are about 10 times more cones, a fact that reflects the importance of color to humans.
ANS: a
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a. anxiety b. pressure c. cognitive dissonance d. frustration
Dr. Wilson is reading a mammogram. She knows that one way to increase the accuracy of the mammogram is to:
A. focus her attention on the black spots since they indicate tumors B. use a powerful magnifying glass C. reduce the lighting, which will lower the absolute threshold D. ask another doctor to read the mammogram
Which of the following have been found to be a predictor of later behavior problems in children with ADHD?
a. A specific genetic mutation b. Low birth weight c. Hostile home environment d. All of the above
The existential approach to therapy maintains that:
a. understanding follows technique b. technique must constantly be emphasized c. it is impossible to understand the patient's needs d. technique follows understanding