19. Luyện nghe tiếng Anh – What causes dandruff? Thi Duong, October 1, 2023October 1, 2023 Your Name 1. What is Malassezia? An enzyme A skin disorder A type of bacteria A type of yeast 2. Malassezia thrives in follicles, tiny cavities where hair grows, due to the glands that secrete an oil known as . This oil is believed to lubricate and fortify our hair. 3. What does Malassezia primarily feed on? Hair Dead skin cells Water Skin's proteins 4. Why is the scalp one of the yeastiest places on our body? Due to its exposure to sunlight Because it's oily Because it's moist Due to regular shampooing 5. Sebum, which can lead to dandruff, contains both and fatty acids. 6. What type of bonds do unsaturated fats in sebum have? Single bonds Triple bonds Quadruple bonds Double bonds 7. How often does the skin's outer surface completely renew itself? Every month Every one to two weeks Every day Every two to three weeks 8. What is the main component of our skin's tough outer layer? Sebum Dead skin cells Fatty acids Proteins 9. What happens to the skin cells during dandruff? They become smaller and lighter They form large, greasy clumps They proliferate and differentiate properly They die and fall off 10. How is dandruff typically treated? Antifungals Antibiotics Steroids Antihistamines Time is Up! Time's up Listening