You arrive at class late, and walk in during the part of the lecture describing how action potentials work. The professor says,
"the channels that allow sodium to flow into the neuron have just closed and the channels that allow potassium to flow out have opened." You can conclude that the cell is
a. in its leaking state.
b. in the process of being depolarized and will soon fire.
c. in the process of returning to its original resting state.
d. not behaving as it normally would and might be damaged.
Answer: c. in the process of returning to its original resting state.
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Higher socioeconomic groups are
a. more likely to report fewer symptoms than lower-income people. b. more likely to report better health than lower-income people. c. more likely to seek medical care than lower-income people. d. All of these apply.
A typical neuron in the brain receives input from how many other neurons?
A. 1,000 B. 10,000 C. 100,000 D. 1,000,000
Phosphenes occur because the
a. eyes are able to transduce only a tiny fraction of electromagnetic energies. b. eyes are sensitive to the effect called the visual pop-out. c. eyes are only prepared to code stimulation as visual features. d. sensitivity of the eyes to perceptual features in influenced by experiences early in life.
Answer the following statement(s) true (T) or false (F)
Behaviorists did not study mental phenomena