Download Alcohol/Drug Use and Abuse CH. 5 | HED 113 - Alcohol/Drug Use & Abuse and more Quizzes Community Health in PDF only on Docsity!
Most of our drugs originally came either directly or indirectly from Plants. TERM 2 Most drugs have three different kinds of names. Which of them belongs to a specific manufacturer? DEFINITION 2 Brand name. TERM 3 The group of psychoactive drugs called stimulants includes DEFINITION 3 Cocaine. TERM 4 Among the psychoactive drugs, alcohol is classified as a(n) DEFINITION 4 Depressant. TERM 5 Which drug is given its own classification category, due to its complex effects at different doses? DEFINITION 5 Marijuana.
Nonspecific effects of taking a drug are those that do not depend on its chemical activity. They are also referred to as Placebo effects. TERM 7 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 people are getting the placebo, this procedure is known as a(n) DEFINITION 7 Double-blind study. TERM 8 The threshold on a dose-response curve is the DEFINITION 8 Lowest dose at which there is an observable effect of the drug. TERM 9 The text uses an example of overlapping dose-response curves for slowed reaction time, ataxia (staggering), and coma to illustrate DEFINITION 9 That new responses appear as the dose of alcohol is increased. TERM 10 The idea of a safety margin for a particular drug is based on the idea that DEFINITION 10 Toxic doses will typically be larger than therapeutic doses.
For some psychoactive drugs, the fastest way to get the drug to the brain is by Inhalation. TERM 17 Alcohol has a very low tendency, but THC has a very high tendency, to DEFINITION 17 Bind blood proteins. TERM 18 The blood-brain barrier DEFINITION 18 Prevents many drugs from entering the brain. TERM 19 Concussions and cerebral infections can decrease the effectiveness of DEFINITION 19 The blood-brain barrier. TERM 20 Some drugs may act on all types of neurons by DEFINITION 20 Altering the electrical potential across the cell membrane.
The most common way for drug molecules to be deactivated is by CYP450 enzymes in the liver. TERM 22 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 DEFINITION 22 Drug disposition tolerance.
