How does Novocain block pain when a dentist is drilling your tooth?
a. Novocain causes action potentials to travel away from the brain instead of toward it.
b. Novocain prevents sodium from crossing the membrane
c. Novocain inhibits many synapses in the brain.
d. Novocain blocks blood flow to certain brain areas.
b
Psychology
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To treat schizophrenia, therapists most commonly use _____ drugs.
A. Antidepressant B. Antipsychotic C. Anti-anxiety D. None of the above
Psychology
Which of the following effects on the brain has not been noted by research into sleep deprivation?
a. Sleep deprivation disrupts the ability of the thalamus to send messages to the amygdala. b. Sleep deprivation leads to a diminishing of proteins that help neurons grow and survive. c. Sleep deprivation can hinder the creation of cells in the hippocampus. d. Sleep deprivation leads to an impairment of subsequent learning.
Psychology