Download EMR - electromagnetic radiation - Environmental Health

Windows of
Susceptibility
Breast
Cancer
Risk
electromagnetic
radiation
UNIVERSITY OF
Cincinnati
Dept of Env Hlth
play
online
EMR - electromagnetic
radiation
WORD CLUEs
Across
EMR - electromagnetic
radiation
electromagnetic
radiation
1. It is __ responsibility to be aware of risks from radiation of all types,
2. What we see as color is really what nm of wavelength objects _______,
play
online
3. Nuclear medicine procedures such as a ____ scan also emit ionizing radiation,
4. Ultraviolet waves are 10 billionth of a meter and can ____ skin about 10 nm to
400 nm,
5. The characteristics of _____ of visible light come from frequency and wavelength,
6. Even non-ionizing light such as microwaves can ______ tissue,
7. X rays for diagnosing ______ and injury is ionizing,
8. When ionizing radiation strikes ___ there can be damage,
9. Wikipedia says that EM consists of waves that are synchronized oscillations of ________ and
magnetic fields,
10. Radioactive materials can ____ ionizing radiation,
11. Breast cancer risk as cuased by mammography may be underestimated some ______
believe,
12. Many 3D mammography units _____ the patient to greater radiation than 2D
mammography,
13. The frequency of the wave increases from very low to the highest which is _____ rays,
14. Light in the visible spectrum is not considered,
15. Unit of measure of wave frequency,
16. Light which damages cells is called ________ radiation,
17. The distance between two wave peaks in EMR is called the greek eltter ______ or L,
18. AM radio waves at 750 on the radio dial or 750 kilohertz are about 400 meters ____,
19. Visible light is between 400 and 700 billionths of a _____,
20. FM radio waves at 100 or the radio dial or 100 megahertz are about 3 ______ long,
21. Having the BRCA gene mutation makes women ____ vulnerable to the damage of X-rays,
22. A measure of the length of a wave,
23. Chest X-rays increase breast cancer risk the greatest amount if given during ______,
24. Countless consumer products use EMR such as ______,
25. Chest X-ray in childhood is a ____ factor for breast cancer in later life,
26. Generall there is NO ____ dose of ionizing radiation,
27. Understanding EMR is important for health and ______,
28. Humans cannot feel or ___ ionizing radiation,
29. X-rays go from 10 billionts to 10 trillionths of a meter or 0.01 nm to 10 nm,
30. Ultraviolet light can cause damage to the ____ and some wavelengths of UV can cause
ionizing damage,
31. Gamma rays are super short at less then ten trillionths of a meter about 0.02 nanometeres,
32. The abreviation for very high frequency radio waves,
33. Airport security may use backscatter ____ for detecting wepons,
34. The main carcinogenetic effect of UVA radiation is by creating reactive oxygen species while
___ at 280 to 320 nm does more direct DNA damage,
.
Down
1. TV waves are about one millimeter,
2. In physics light ___ occupy 4 dimensions X Y Z and time,
3. The calibration of the X-ray equipment can _____ the radiation that one receives,
4. Young ____ at time of exposure increases liklihood of damage from radiation,
5. Ionizing radiation is a firmly established environmental cause of ______ cancer,
6. Ionizing radiation can lead to tissue damage mutation ______ and death,
7. Unlike gamma rays which are the most energetic EMR ______ rays are NOT EMR but
electromagnetic
radiation
EMR - electromagnetic
radiation
protons and atomic nuclei,
8. The FDA gives 300 millirad as the maximum ____ allowable,
play
9. Electromagnetic radiation has an anacronym which is,
online
10. Women with mutations in DNA repair _____ appear to be more susceptibile to
ionizing radiation damage,
11. Infrared is at the border with visible light and can be felt as ____,
12. Older mammography machines typically delivered a ______ dose of radiation,
13. Of all the EMR only about one sixth of all the light can be recognized as light by by ______,
14. Microwaves range from one mm long to about 12 ______,
15. X-rays and gamma rays are ______ human carcinogens,
16. LASER light is also electromagnetic _________,
17. All electromagnetic radiation is called _____ by physicists,
18. The speed of EMR is 186000 _____ per second,
19. Visible light is ___-ionizing radiation,
20. The properties of ionizing radiation that damage cells is that their energy can bump electrons
out of their ______,
21. The electric and magnetic fields are perpendicular to each _____,
22. Cell _____ emit EMR which is non-ionizing,
23. Radio waves are the lowest frequency then microwave infrared visible ultraviolet xrays and
gamma rays,
24. CT or computed tomography _____ also emit X-rays,
25. A graph of all the wave lengths is called a _______,
26. Damage from environmental (including medical) X-rays accumulates over ____,
27. There are ___ ways used to characterize light is by frequency and wavelength,
28. For radio waves in which the human voice is fouind it is called ultra low frequency, about 300
hz or 1 nanometer,
29. Not all light is _______,
30. This is the acronym for ultra high frequency radio waves which are shorter than VHF,
31. The notion that darkening the skin by sunbathing or deliberate exposure to UV beds thereby
getting a ___ is healthful is untrue,
32. The wavelength of UV light 320 to 400 nm also called ___ is responsible for tanning or the
increase in cutaneous melanin,
33. This UV does not penetrate the atmosphere readily is 280 – 100 nm in wavelength the
shortest in the UV group,
34. The visible light we see as rainbow _____ is a very very small part of all radiation,
35. Whatever the source of reactive oxygen species within cells these cause the body to ____,
wavelength
non-ionizing radiation
radio
waves
62,000 miles
micro
waves
6.2 inches
62miles
100,000,000,
000,000,
000 nm
UV
IR
100,000,000,
000,000 nm
0.00006 inches
100,000,
000 nm
1000 nm
ionizing radiation
x-ray
0.00000000
000000000
0006 inches
1 nm
gamma
0.00000000
000000000
0000000006
inches
0.01 nm
Answers
http://chemwiki.ucdavis.edu/Physical_Chemistry/Spectroscopy/Fundamentals/Electromagnetic_Radiation