#16. Luyện nghe tiếng Anh – How does caffeine keep us awake? Thi Duong, September 23, 2023 Your Name 1. What is the annual consumption of caffeine worldwide in metric tons? Over 1,000,000 Over 100,000 Over 10,000 Over 50,000 2. Which of the following is a source of caffeine mentioned in the video? Whole grains Milk and dairy products Fruits and vegetables Coffee and tea 3. Caffeine is considered the world's most widely used . 4. What does caffeine in plants help insects do, as mentioned in the video? Enhance vision for locating nectar Remember and revisit flowers Improve reproductive efficiency Avoid predators 5. In the human body, caffeine blocks which molecule to keep us awake? Serotonin Adenosine Dopamine Acetylcholine 6. How does caffeine keep us awake? By increasing adenosine production By slowing down brain-signaling molecules By inducing sleep-inducing molecules By stimulating the central nervous system 7. In the brain, what is dopamine primarily responsible for? Generating feelings of pleasure Inducing a sense of drowsiness Reducing stress levels Regulating body temperature 8. What are some potential long-term benefits of caffeine consumption mentioned in the video? Reduced risk of stroke Reduced risk of cancer Reduced risk of diabetes Reduced risk of arthritis 9. Abruptly stopping caffeine consumption can result in uncomfortable due to caffeine's effect on adenosine receptors. 10. What symptoms might one experience during caffeine withdrawal? Disrupted sleep patterns Headaches and tiredness Nausea and flu-like symptoms Muscle aches and pains Time is Up! Time's up Hãy đánh giá bài viết này nhé! Submit Rating 0 / 5. Vote count: 0 Listening