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CMN 571 - Exam 3.
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Exam of 25 pages for the course RAD at RAD (CMN 571 - Exam 3.)
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CMN 571 - Exam 3Most common type of cancer
Skin cancer
3 types of UV radiation
UVA
UVB
UVC
ABCDEs of Detecting Melanoma
A - Assymetry
B - Border (uneven)
C - Color (multiple colors)
D - Diameter (larger than 1/4")
E - Evolving (changing in size, shape, and color)
UV rays are strongest between what times?
10am and 4pm
What time of year are UV rays strongest?
During the spring and summer months.
This is less of a factor near the equator
T/F: More UV rays reach the ground at higher elevations
,True
T/F: UV rays cant get to the ground on a cloudy day
False
T/F: Contents of the air filter out some UV radiation
True
Ozone in the upper atmosphere filter out UV radiation
Ways to help prevent skin cancer
- Avoid getting sunburn
- Use at least SPF 30 every day. Apply it 15-30 min before going outside
- If sweating a lot or swimming, reapply sunscreen every 2 hours
- Avoid peak sun hours (10am-4pm)
- If outside, wear sunglasses, hats, light clothing that will cover skin
- Check skin routinely for any abnormalities and have annual skin exams from
provider
Cumulative sun exposure causes
Mainly basal cell and squamous cell skin cancer
Episodes of severe blistering, sunburns, usually before age 18, can cause
melanoma later in life
Annual breast cancer screenings start
Between 40-44 years old
Mammograms every year are at what age(s)
45-54 years old
, Breast cancer screenings should continue as long as
a woman is in good health and is expected to live 10 more years or longer
T/F: Some women should be screened with MRIs along with mammograms
True.
This is due to family hx, genetic tendency, or certain other factors
Colon cancer screenings are recommended to start at age
45
Colon and rectal cancer and polyps are checked for by
- sensitive test that looks for signs of cancer in a person's stool
- visual exam (looking at the colon and rectum)
Regular colon screenings are recommended to continue to age
Regular screenings until age 75
Colon cancer screenings for ages 76-85 depends on
the patients health and personal preferences
Colon cancer screenings for ages 85 and older are recommended
to no longer get colorectal screenings
Yearly lung cancer screening is done with:
Low-dose CT scan (LDCT) for certain people at higher risk for lung cancer and
are:
- ages 55-74 and in fairly good health and currently smoke or quit within the last
15 years
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