Exam 5: The Actions of Drugs

After oral administration, where does most absorption of drug molecules take place?

There have been increased reports of adolescents administering alcohol using alcohol suppositories, called "booty bumping" or "butt bongs."

Placebo effects are another name for nonspecific effects.

People for the Ethical Treatment of Animals (PETA), a well-known animal rights group, has fought against laboratory animal testing, and cited the thalidomide drug as an example in favour of their cause, however, describe the flaws in their argument.

Lithium is used to control manic episodes and to prevent psychosis.

Less than 45% of Canadians think marijuana will be legalized in the within the 10 years.

St. John's wort is an herb that is believed to help what condition?

If the repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for metabolizing that drug, then future doses of the drug will be less effective than the first doses. What is this an example of?

Describe three factors that can influence the time course of the behavioural effect of a drug, and show that you understand how each factor influences the time course.

Describe the term; Drug Half-Life.

Based on the significant increase of prescription amphetamines use by Canadian university students, what did Maclean's magazine call Ritalin?

LSD and PCP are examples of which drug grouping?

Describe what is known about the purpose and effect of St. John's Wort.

For many psychoactive drugs, such as nicotine and cocaine, the fastest way to get an effect is by inhaling the drug's vapors.

Alcohol has a low tendency, but THC has a high tendency to do what?

Describe drug distribution.

For most therapeutic effects, there is a maximum effect, and increasing the dose more just increases the number and type of side effects.

What can concussions and cerebral infections decrease the effectiveness of?

Marijuana and heroin are both considered to be opioid drugs.

Describe lipid solubility.