How Drugs Work

Question 12 • VA_Pharmacology_A

Based on what you learned in the lesson, how can substance abuse of drugs such as painkillers and sleep aids lead to addiction?

Answer

These drugs are easy to obtain without a prescription, and can be habit-forming for patients with a clinical need.

These drugs can be legally distributed only by the pharmacy, and any other form of drug use is addiction.

These drugs provide a clinical effect that treats patients, which can result in psychological dependency.

These drugs act on neurotransmitters to alter the brain chemistry, which can lead to chemical dependence.

Explanation

Painkillers and sleep aids can affect neurotransmitters and change how the brain functions. Repeated misuse can cause the brain to adapt, leading to chemical dependence and addiction. Choice D, “These drugs act on neurotransmitters to alter the brain chemistry, which can lead to chemical dependence,” describes this process.

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