What is the approximate speed of the reaction to a painful stimulus?
a) one second
b) 0.5 second
c) 10 milliseconds
d) 0.8 milliseconds
ANS: d
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Indicate whether this statement is true or false.
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Answer the following statement true (T) or false (F)
Most local anesthetics work by ___; some general anesthetics have the effect of ___
A) preventing neurons from depolarizing, increasing the hyperpolarization of neurons B) putting axons to sleep, putting the brain to sleep C) preventing concentration gradients, increasing electrical gradients D) increasing the polarization of neurons, preventing depolarizing
Among married couples in the United States, today’s fathers spend nearly________ as much time caring for children as fathers did in 1965
A) half B) twice C) three times D) five times