What is the optic chiasm?
a. The separation between the retinal cone layer and the retinal rod layer.
b. A point near the base of the brain where some of the fibers from the optic nerve cross over to the opposite side of the brain.
c. The special name given to the synapses between the sensory neurons of the retina and the motor neurons of the optic nerve.
d. The technical name for the size of the opening of the pupil.
Answer: B
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When individuals are _____, they tend to be loud, elated, hyperactive, and may exhibit grandiose schemes and behavior, which may get them arrested, bankrupt, or involved in pleasure binges of drinking, taking drugs, or promiscuous sex.
a. exhibiting a conversion reaction
b. manic
c. exhibiting symptoms of SAD
d. dysthymic
Emmett, at 4 months of age, smiles, signaling that he wants to be picked up. According to Tronick's mutual-regulation model, if his mother fails to pick him up, Emmett will probably
A. keep smiling. B. begin paying attention to something or someone else. C. become passive and withdrawn. D. try another way of getting her attention, like crying.