Exam #4 Flashcards
What is the top 3 leading cause of death in the world?
- Ischemic hear disease
- Stroke
- COPD
What is the top 3 leading cause of death in Canada?
- Cancer
- Heart disease
- Cerebrovascular disease
9.1% of death in Africa comes from what?
Malaria
Where is malaria more common in the world?
- Nigeria
- Democratic Republic of the Congo
What are some environmental toxins in Canada?
- Carbon monoxide
- Asbestos
- Mold
- Second hand smoke
What is asbestos?
- Silicate crystals fund I the earth
- When particles inhaled it causes permanent respiratory problems
What is Radon gas?
A gas produces naturally by radioactive decay of uranium in the ground
What is the second leading cause to lung cancer?
Radon gas
What does CO do to the blood cells?
-Attaches itself to the hemoglobin and limits the oxygen delivered to the brain
What is BPA?
Bosphenol A
-What hard clear plastic is made out of
What does BPA have in it?
- Hormones
- Causes cancer
- Affects fertility
What recycle code is BPA free?
Code 5
What are pesticides?
-Insecticides – for -Insect control
-Herbicides – for weed control
fungicides – for control of disease
How can pesticides come into the body?
- Through the skin
- Breathing into the lungs
- Swallowing
What are phthalates?
Phthalates are a group of chemicals that can make products (usually plastics) softer and more flexible.
Where a phthalates found?
- Soft plastic
- IV bags
- Cosmetics
What is Fracking?
water is mixed with sand and chemicals, and the mixture is injected at high pressure into awell to create small fractures, along which fluids such as gas and petroleum
What is Electromagnetic radidation?
Waves of electrical and magnetic energy travelling through space
-Both Frequency and Wavelength
What are 2 things that all waves have?
- Frequency: How many times
- Amplitude: Height of the wave
What is the difference between ionizing and non-ionising?
-Ultraviolet light
What is Ionising?
-Ripping an electron off and no you are left with a free radical
What are some non-ionising radiation?
- Laptops
- Cell phones
- Radios
Are cell phones a class 2 carcinogenic?
Yes
Does the distance of having the cell phone to your head matter?
Yes
- It is better to have distance
- Cuts the intensity in 1/4
What is the rang of low frequency?
-3Hz-300Hz
What frequency does a cell phone run on?
-Ultra High Frequency
What class are microwaves?
-Class 2
