National Certified Addiction Counselor, Level 2 (NCAC II) Practice Exam Exam

Which of the following best describes endogenous opioids?

1. Compounds that induce sleep

2. Natural peptides that help manage pain and stress

3. Drugs that activate the central nervous system

4. Vitamins essential for brain health

The correct answer is: Natural peptides that help manage pain and stress

Endogenous opioids are natural peptides produced by the body, such as endorphins, enkephalins, and dynorphins, which play a crucial role in modulating pain and stress responses. These compounds bind to opioid receptors in the brain, leading to analgesic effects and contributing to the regulation of mood, stress, and emotional responses. They are part of the body's innate system for pain relief and help in coping with stressful situations, promoting a sense of wellbeing. This choice captures the essence of what endogenous opioids are and their function, distinguishing them from external drugs that may mimic their effects. While compounds that induce sleep, such as certain medications or hormones, may exert a calming influence, they do not directly relate to the specific biochemical processes involving endogenous opioids. Similarly, drugs that activate the central nervous system are contrary to the calming effects of endogenous opioids. Lastly, while vitamins are indeed important for overall brain health, they do not fit the definition of endogenous opioids, which are peptides involved in pain and stress management.