Ethan has suffered minor damage to the bones in his left middle ear. What treatment, if any, might help to restore his hearing?
a. a hearing aid
b. a cochlear implant
c. Both a hearing aid and a cochlear implant will be needed.
d. Such damage is permanent and cannot be remedied.
a
Psychology
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Drugs such as barbiturates and alcohol are classified as depressants because they
a. inhibit the transmission of nerve impulses in the central nervous system. b. lead to tolerance. c. bring about depression when they are not being used. d. are likely to cause a variety of mood disorders, especially depression.
Psychology
Opiates have hypnotic effects, which means they can:
a. Induce sleep b. Reduce pain c. Increase alertness d. Decrease anxiety
Psychology