Mike is trying to find his car keys in the dark. Why are his rods more useful in the dark than his cones?
a) Rods need less light to be activated.
b) Rods have a direct route to bipolar cells.
c) He is color blind and therefore has trouble seeing in the dark.
d) His keys are on a green key chain and cones can't detect color.
ANS: a
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A. Quota sample B. Random sample C. Volunteer sample D. Purposeful sample
As Juanita saw the headlights coming directly at her through the fog on the highway her blood pressure rose quickly, and she felt her heart pounding. These reactions are part of the:
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a. unconscious mind b. preconscious mind c. collective unconscious d. reaction formation
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