Exam 5: The Actions of Drugs

With increasing doses of any useful drug,there is usually an increase in the number and severity of

There are many different routes by which drugs can be administered.Describe the pros and cons of the oral route versus the intravenous route.

Nonspecific effects of taking a drug are those that do not depend on its chemical activity.They are sometimes referred to as

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

The potency of a drug is defined in terms of

Of the following routes of administration,which will produce fastest onset of effects?

After oral administration,most absorption of the drug molecules takes place in the

Which of these is given its own classification category,due to its complex effects at different doses?

The blood-brain barrier

The group of psychoactive drugs called stimulants includes

Most of our drugs originally came either directly or indirectly from

Explain why an experienced heroin user would most likely choose to smoke or inject the drug rather then taking it orally.Then explain why inexperienced users should initially be discouraged from these routes of administration.

The story of the Michigan police officer who ate marijuana-laced brownies and then called 911,is a good illustration of which basic psychopharmacology fact?

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

The threshold on a dose-response curve is the

Concussions and cerebral infections can decrease the effectiveness of

What kind of name is Provigil (an alerting drug)?

Alcohol has a low tendency,but THC has a high tendency,to

Most drugs have three different kinds of names.Which of them belongs to a specific manufacturer?