Psychoactive drug use can be traced to prehistory. There is archaeological evidence of the use of psychoactive substances (mostly plants) dating back at least 10,000 years, and historical evidence of cultural use over the past 5,000 years.here are many ways in which psychoactive drugs can affect the brain. Each drug has a specific action on one or more neurotransmitter or neuroreceptor in the brain. Drugs that increase activity in particular neurotransmitter systems are called agonists.
Which of the following is NOT an example of malware? a. adware c. rootkits b. vaporware d. zombies ANS: B PTS: 1 REF: 23 OBJ: 7 32. Which of the following is the term for known specific patterns of viruses? a. virtual viruses c. virus signatures b. virus traces d. virus items ANS: C PTS: 1 REF: 23 OBJ: 7 33. Which of the following is NOT a strategy that supports green computing? a.
For more information on complications and symptoms, refer to symptoms of viral infection. There are many types of viruses that cause a wide variety of viral infections or viral diseases. For example, there are over 200 different viruses that can cause a cold or an upper respiratory infection.Other common viruses include the influenza virus, which causes influenza or the flu. viral infection is any type of illness or disease caused by a virus, a type of microbe. Microbes are tiny organisms that cannot be seen without a microscope and include bacteria, fungi, and some parasites, as well as viruses.