Answered: 1. According to the National Cancer…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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1. According to the National Cancer Institute, what forms of non-ionizing radiations has no experimental evidence showing that at normal levels of this radiation are dangerous to humans. a Visible light b. Extremely low frequency c microwave d. infrared 2. Both UVA and UVB light are important for humans in the production of Vitamin D in the skin and gives us tanning effects. Overexposure to UV radiation may cause a. Heart failure c. asthma b. Cancer d. high blood pressure 3. Exposure to normal levels of extremely low frequency (ELF) waves causes a. Brain damage C. severe bums b. Asthma d. no damaging effects 4. Children like fetus is in great danger than adults from the exposure of microwave radiation a. True b. False 5. Which of the following is NOT an example of non-ionizing radiation? A. X-ray c. Ultraviolet B. Microwave d. Visible light 6. About half of the total energy the sun gives off is in the form of what type of non-ionizing radiation? A. Microwaves c. infrared B. Ultraviolet d. visible light 7. Overexposure of microwave radiation can cause A Asthma c. brain damage B. No damaging effects d. cataracts 8. The narrow beam of light concentrates the effects on the retina causing blind spot. This is an effects caused by A. Lasers c. alpha radiation B. Beta radiation d. ultraviolet 9. Exposure to ionizing radiation can cause cancer. a. True b. False 5 10. This form of radiation is more penetrating than alpha particle, but are less damaging to living tissue and DNA. a. Alpha radiation c. beta radiation b. Gamma ray d. X-ray

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