Dr. Applebaum says, Contrary to popular belief, this substance actually functions to inhibit the central nervous system. At low doses, it appears to cause disinhibition because the inhibitory centers of the brain are those first depressed. At high doses, this drug can cause unconsciousness and even death. What drug is Dr. Applebaum referring to?
a. alcohol
b. cocaine
c. nicotine
d. cannabis
Question 2Suppose that five years from now, there is a blood test that assesses the likelihood of a person's committing suicide. It is likely that this test will measure the blood levels of ____.
a. dexamethasone
b. serotonin
c. dopamine
d. adrenalin
Question 3Frequently, when alcohol is initially ingested, individuals report feeling wild and excited. These feelings result because ____.
a. the absorption of alcohol is quite slow, allowing for initial kick
b. alcohol is a stimulant
c. alcohol inhibits the functioning of the parasympathetic nervous system but not that of the sympathetic
d. alcohol depresses the inhibitory centers in the brain
Question 4Suicide methods of those suffering from schizophrenia are often ____.
a. violent and bizarre
b. hanging
c. drowning
d. poisoning
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