Unit 1, Chapter 2 questions with complete solutions graded A+

Unit 1, Chapter 2Describe the key steps for maintaining healthy skin. - correct answer Healthy skin is the result of eating a healthy diet, washing frequently, avoiding oily products, and resisting the temptation to pick at skin blemishes. Give a summary of the guidelines for using sunscreen to prevent overexposure. - correct answer Be sure to buy sunscreen of at least 15 SPF and apply it to all areas of the skin that will be exposed to sunlight at least 20 minutes before going outside. Generally, sunscreen should be reapplied every 2 hours. If you exercise moderately, sweat, or swim during that time, you should reapply more often. Why does a lack of sleep affect your body's performance? - correct answer Sleep is required for the body to recover from the day's activities. If you don't rest the body adequately, the by-products of the previous day will impair your ability to function effectively. One factor that can increase sensitivity to sunlight is genetics. - correct answer True Describe steps you can take if you have difficulty falling asleep. - correct answer Important steps to help people fall asleep include establishing a bedtime routine, making sure your bed is comfortable, blocking out extra light and noise, and exercising regularly. Explain why some people think that indirect sunlight will not cause skin damage. - correct answer When there are clouds or a window in between us and the sunlight, it's common to believe that all the ultraviolet radiation from the sun will be blocked. A large amount of the UV radiation is blocked, but we often make the mistake of staying outside longer on a cloudy day and getting sunburned. Which of the following is an important hygiene practice for your nails? - correct answer Regular trimming Eating a well-balanced diet helps to maintain healthy skin. - correct answer True What is the purpose of the sweat glands in our skin? - correct answer Sweat glands secrete liquid onto the surface of the skin when our body temperature rises. When the sweat evaporates, the skin and the body are cooled. Personal hygiene is important to others because __________. - correct answer it helps to prevent the spread of disease Regular visits to the dentist should be scheduled every __________. - correct answer 6 months Which of the following can be used to limit skin damage from sunlight? - correct answer sunscreen What's the recommend amount of UV protection that sunglasses should provide? - correct answer 100% In order to maintain good sleep hygiene, it is best to reserve your bed for sleeping and to engage in all other activities in other parts of your house. - correct answer True Which of the following is a healthy bedtime routine? - correct answer take a bath, read for 30 minutes, get into bed Indirect sunlight does not pose any danger to the skin. - correct answer False One way to ensure good sleep hygiene is to change your bedtime frequently. - correct answer False A lack of sleep can negatively affect many areas of your life. - correct answer True Rank the following consequences of sunlight exposure from least serious to most serious. - correct answer sunburn, premature aging, skin cancer Personal hygiene is an important part of being a responsible person. - correct answer True