According to Allison and Cichetti, which of the following animals would tend to sleep the most?
a. lions
b. cows
c. human beings
d. horses
a
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The all-or-none law states that ____
a. a neuron produces an action potential of maximal strength, or none at all b. all neurons fire or none at all c. all neurons in a pathway fire at the same time, or none do d. all ions move in the same direction, or none do
Dr. Johnson is screening for more effective treatments for bipolar disorder. To see if these compounds work in a similar manner to the most commonly prescribed treatment, she treats rats with the derivatives for several weeks, and then measures ____
a. ?cerebral gray matter volume b. ?the number of proliferating glia in the brain c. ?cerebral hemisphere cross-talk d. ?the level of myelination in the brain
Which of the following statements about self esteem is false?
The main reason health care professionals are often reluctant to prescribe opioids for pain management is that
A) their use often leads to problematic or illegal behaviors. B) they are the most commonly abused prescription drug. C) increased dosages tend to suppress the respiratory system. D) long-term use actually increases pain sensitivity.