Chapter 4 quiz part a
Which of the following statements best describes the effects that depressants have on the central nervous system?
Depresssants decrease rate of breathing and heart rate
Addiction is a prerequisite for an overdose
False
Addiction to an withdrawal from benzodiazepines is not as severe or as dangerous as opioid addiction
False
An individual who is under the influence of heroin will have dilated pupils
False
Gamma hydroxybutyrate (GHB) is used by sexual predators to increase sexual desires in their victims
False
Most sedative-hypnotics are from natural sources.
False
Opioids, such as hydrocodone (Vicodin), usually suppress nausea and vomiting
False
The number of people in the United States who overdose on heroin is greater than the number who overdose on any other type of opioid, including hydrocodone,oxycodone, and methadone
False
The primary illegitimate source of obtaining prescription drugs, such as OxyContin, Vicodin, and Xanax, is over the internet
False
Z-hypnotics like Sonata,Ambien,and Imovane have different actions and affect different receptor sites than the benzodiazepine sedatives
False
Of 1,033 new drugs approved by the FDA between 1989 and 2000, whar percentage showed no significant clinics improvement over older and cheaper drugs already in use ?
More than 50%
Which of the following drugs is an opioid antagonist that may be used to prevent an opioid overdose ?
Naloxone
Benzodiazepines sedative -hypnotics gerneally have a higher margin of overdose safety than other drugs in this depressant category
True
Drug tolerance develops in part due to the increased efficacy of the liver in processing a drug that is used regularly
True
Opiates block the release of substance P, which is the name of the neurotransmitter that transmits pain messages from nerve cell to nerve cell
True
Treatment for addiction to opiates requires physical detoxification and psychological correction
True
Which of the following correctly lists the three major classes of depressants?
Alcohol,opiates,sedative-hypnotics
Needing a dose of a drug just to feel "normal" is a sign of tolerance
False
Opiate addiction was first documented about 100 years ago
False
For how long can post-acute withdrawal symptoms following detoxification and abstinence from opioid of other drug addictions persist
For three to six months or longer after detoxification
