Which of the following is currently the most popular psychoa

Which of the following is currently the most popular psychoactive substance worldwide? Alcohol marijuana cocaine heroin Passive transport occurs when water - soluble drugs such as cocaine cross the blood-brain barrier by hitching a ride on molecule that cross the blood-brain barrier. True false Continued smoking to avoid the negative effects of nicotine withdrawal is known as inverse tolerance negative drug reinforcement positive drug reinforcement reverse tolerance Limiting the places where tobacco is permitted has not reduced the use of tobacco in the United States or other countries where such policies have been implemented. True false Which of the following statements is true? Alcoholism and drug abuse are relatively new social problems Humankind has always had a desire to alter individual states of consciousness regardless of the potential for damage Drug policies that emphasize supply reduction Immediately reduce violence. Scientific research has shown that addiction is a matter of weak moral character. Psychiatric medications, including antidepressants, antipsychotics, and anti-anxiety drugs, are prescribed to slow the central nervous system speed up the central nervous system rebalance irregular brain chemistry create hallucinations

Solution

24. A.

Psycoactive substance is the substance that directly alter the functioning of CNS. coccaine, caffiene are most widely used psycoactive sustances. But currently alcohol is the most popular psycoactive drug worldwide.

25. B

Blood brain barrier is a highly selective semi permeable membrance. The passive transport occurs when the lipid soluble molecules cross the blood brain barrier that separates the circulating blood from the brain extracellular fluid in CNS.

26. B

Negative drug reinforcement is the every drug produces certain range of effects. If we stop the usage of drugs it will show side effects. so to withdrawl these side effects the usage of drug has been continued.This is called negative reinforcement effect.

27. A

Limiting the places of where tobocco smoking is permitted only limit the places but not the people who has habit of smoking. So its not reduced the use of tobboco.

28. A

Alcoholism and drug abuse are relatively new social problem like drugged driving, child abuse etc.It will create lot of violence and also people who addicted to that may also involve in crimes. So it becomes illegal issue.

29. C

Psychiatric medications typically work by changing or balancing the amount of important chemicals in the brain called neurotransmitters.