What are the drugs that act on the central nervous system?
Stimulants are drugs that exert their action through excitation of the central nervous system. Psychic stimulants include caffeine, cocaine, and various amphetamines. These drugs are used to enhance mental alertness and reduce drowsiness and fatigue.
What is a drug that increases the action of the central nervous system?
The term stimulants cover a broad class of drugs that increase the activity of the central nervous system.
Which alkaloid stimulates the central nervous system?
Answer: The correct answer would be coca alkaloid. It is termed as cocaine and is obtained from Erythroxylum coca, a coca plant native to South America. It interferes with the transport of dopamine (a neurotransmitter) and stimulates the central nervous system.
How do drugs act on the nervous system quizlet?
a drug may mimic a natural or endogenous neurotransmitter by activating receptor sites. Alternatively, a drug may block a receptor site. Drugs can also affect the deactivation or release of neurotransmitters. acetylcholine, anandamide, dopamine, endorphins, GABA, glutamate, norepinephrine, and serotonin.
Which of the following drugs of abuse is a central nervous system depressant?
Benzodiazepines. Sometimes called “benzos,” benzodiazepines are central nervous system depressants that are prescribed to treat anxiety, sleep disorders, convulsions, and other acute stress reactions. Common benzos include Valium, Xanax, and Ativan.
What are examples of central nervous system stimulants?
Prescription stimulants used for ADHD or narcolepsy (excessive sleepiness) include amphetamines, methylphenidate, and modafinil. Some CNS stimulants, such as cocaine, ecstasy, and MDMA (methylenedioxymethamphetamine), are not prescribed, because they have a high potential for abuse.
What drug increases the activity of the central nervous system quizlet?
What are CNS Stimulants? These substances increase the activity of the CNS, resulting in an increased blood pressure and heart rate. The most popular are Ritalin and Amphetamine salts/Adderall. Caffeine and Nicotine are also stimulants.
What type of drug slows down the central nervous system?
Examples of central nervous system depressants are benzodiazepines, barbiturates, and certain sleep medicines. Central nervous system depressants are sometimes called sedatives or tranquilizers. Also called CNS depressant.
What is the most powerful central nervous system stimulants?
Cocaine is a strong CNS stimulant and is probably the most addictive agent known. Its recreational use is widespread, and it is highly addictive with its effect mediated through dopamine release.
Which of the following describes how drugs can affect the nervous system?
Effects of Drugs on The Brain & Neurotransmitters Mind-altering drugs may slow down or speed up the central nervous system and autonomic functions necessary for living, such as blood pressure, respiration, heart rate, and body temperature.
How do drugs relate to the process of neural transmission quizlet?
How do drugs relate to the process of neural transmission? They are a chemical component of an electrochemical process. Alzheimer’s drugs that inhibit the enzyme acetylcholinesterase to increase the availability of acetylcholine are limiting what process?
How does drugs affect the nervous system?
What are the drugs acting in the central nervous system?
Drugs acting in the Central Nervous System (CNS DRUGS) 1 Cinnarizine 2 Meclizine 3 Promethazine
How are drugs acting on the CNS used in therapy?
In addition to their use in therapy, many drugs acting on the CNS are used without prescription to increase one’s sense of well-being. Evolution is tireless in the development of natural toxins. 1. INTRODUCTION TO CNS PHARMACOLOGY 1.1 Drugs acting on the CNS 1.1.1 Introduction
What are drugs used to produce analgesia?
Are drugs used to produce analgesia through its action on the CNS. 1.Natural like Morphine. 2. Synthetic like Fentanyl. depression of the brain and causing analgesia. excitation in cats, horses and ruminants. 2.Produces analgesia by increasing the pain threshold.
What drugs increase dopamine levels in the brain?
Heroin and Prescription Opioids. Heroin and prescription opioid drugs like OxyContin (oxycodone), Vicodin (acetaminophen/hydrocodone), fentanyl, methadone, and Dilaudid (hydromorphone) bind to opioid receptors in the brain and trigger the release of dopamine.