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Progress You are on question 14 of 17 drugs mimic natural painkillers in the body. Stimulant...
The Brain on Mind Altering Drugs Psychoactive drugs alter brain function by acting at synapses in the brain, where they may mimic, enhance, or block the effects of natural signaling molecules (neurotransmitters). The neurotransmitter dopamine plays a particularly important role in creating the dependency aspect of both drug and behavioral addictions. Natural behaviors which enhance survival and/or reproduction, such as eating or engaging in sex, result in a surge of dopamine. Normally, this response helps individuals learn to repeat beneficial...
QUESTION 19 Why is it very difficult to fight viral infections? O A virus is not alive and therefore impossible to kill. It is hard to destroy a virus without damaging the host. The cell wall of a virus is too thick to penetrate. The RNA and DNA of a virus is too different. O A and B QUESTION 20 Which is better for you: a drug that is a natural product or one that is synthetic? Whether a drug...
LeyUUL CICILILED W H ILI AaBbccde ABBCODE AaBbCcDc AaBbccode Aa Heading 2 No Spacing Heading 1 AAAA * ADA IAD 1) Common drugs originate from A) Natural products B) laboratory synthesis Chemical derivatives D) all of the above 2) A medicine is a drug that A) Provides a euphoric effect B) Is isolated from a plant C) Kills bacteria D) Has therapeutic properties 3) Which of the following would be an example of a synergistic effect? A) Aspirin reduces fever...
Question 15 (1 point) Saved According to the video "Your Body on Drugs," the bookcase assembly tested the user's ability to focus. Which drug allowed the user to be a functional addict? Marijuana Methamphetamine Cocaine Heroin Question 16 (1 point) Saved Contraceptive methods that are more than or over 99% effective are methods that have a low likelihood of user failure. True O False Page 8 of 30 Next Page Previous Page vvnicn or tne rollowing Is NUI a way...