Exam 13: Opioids

The textbook says that opioid withdrawal is similar to

One of the major issues facing physicians today is that patients are not taking enough prescription opioids to manage their pain.

Naloxone and nalorphine are endogenous chemicals that have effects similar to morphine.

Heroin first became popular among opioid abusers in the 1970s,due to returning Vietnam veterans.

Possession of opium,morphine,or heroin without a prescription was made a crime by

The majority of U.S.soldiers who used heroin in Vietnam did so through the intravenous route because the drug was relatively impure.

Enkephalins,endorphins,and dynorphins are

In a heroin user,negative reinforcement of drug-taking behavior can occur when

The 16^th century European physician Paracelsus,and later Dr.Thomas Sydenham promoted the use of

One thing that apparently contributed to the spread of opium smoking in China was

The earliest recorded use of opium as a medicine was probably by

Naloxone,nalorphine,and naltrexone are examples of

Withdrawal from opioid drugs is often fatal.

The most popular prescription opioids are hydrocodone and oxycodone.

The two major active chemicals in opium are

Describe the most typical pattern of opioid addiction in the early 1900s,in the middle to late 1900s,and in recent times.

The fact that animals with no history of opioid withdrawal will press a lever to self-administer low doses of intravenous morphine or heroin demonstrates the importance of ____________ in developing opioid addiction.

Morphine and codeine are derived from the opium poppy,Papaver somniferum.

The Opium War of 1839-1842 resulted,among other things,in

Heroin is more potent than morphine because