California State University, Northridge » Health Sciences » HSCI 336 - Health Aspects of Drug Use » Summer 2020

Which of the following terms is defined as the dosage difference between an acceptable level of effectiveness and the lowest toxic dose?

When neither the person taking the drug nor the person evaluating the effects of the drug knows which people are getting the experimental drug and which people are getting the placebo, this procedure is referred to as a(n) ________.

Most of our drugs originally came either directly or indirectly from

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

The potency of a drug is defined in terms of

The time course of a drug's action depends on

Regardless of the route of administration, psychoactive drugs reach the brain tissue by way of the

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

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

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

The blood-brain barrier

Concussions and cerebral infections can decrease the effectiveness of

The most common way for drug molecules to be deactivated is by

When use of a drug interferes with normal behavior, experienced users may learn to compensate and show less impairment than new users. This is an example of

Which of the following would be a reason for a drug company NOT to pursue expensive clinical trails with a new drug?

The group of psychoactive drugs called stimulants includes

Among the psychoactive drugs, alcohol can be classified as a(n)

________ are a group of analgesic (painkilling) drugs that produce a relaxed, dreamlike state; moderately high doses often induce sleep.

Among the psychoactive drugs, alcohol can be classified as a(n) ________.

The group of psychoactive drugs called stimulants includes:

The threshold on a dose-response curve is the

HSCI 336 - Health Aspects of Drug Use » Summer 2020 » Quiz 5

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