#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 100,000 Over 50,000 Over 10,000 Over 1,000,000 2. Which of the following is a source of caffeine mentioned in the video? Coffee and tea Whole grains Milk and dairy products Fruits and vegetables 3. Caffeine is considered the world's most widely used . 4. What does caffeine in plants help insects do, as mentioned in the video? Remember and revisit flowers Avoid predators Enhance vision for locating nectar Improve reproductive efficiency 5. In the human body, caffeine blocks which molecule to keep us awake? Acetylcholine Adenosine Dopamine Serotonin 6. How does caffeine keep us awake? By increasing adenosine production By stimulating the central nervous system By slowing down brain-signaling molecules By inducing sleep-inducing molecules 7. In the brain, what is dopamine primarily responsible for? Reducing stress levels Inducing a sense of drowsiness Generating feelings of pleasure 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 arthritis Reduced risk of diabetes Reduced risk of cancer 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? Nausea and flu-like symptoms Headaches and tiredness Disrupted sleep patterns Muscle aches and pains Time is Up! Time's up Listening