Lecture 9: Toxicology
Study/Science of poisons
the science which studies toxic substances or poisons, that are substances which cause
alteration or perturbation in the function of an organisms leading to harmful effects
EESA11H3 S Mid-term review
- Toxic mechanism (short answer) or (true or false)
- Human impact of carbon dioxide
- Role of temperature in carbon monoxide
- Why we should add alcohol in fuel
- Relationship between ozone and lightening
- Why oz
Lecture 11: Global Climate Change and Human Health
Global Climate Change and Human Health
Climate changes during the Earth history. It always changes - never stays the same.
From the graphs we can see the changes. Thousands of years ago. Only surface temp
Lecture 10: Environmental Hazards to Specific Populations
Environmental Hazards to Specific Populations:
1. Childrens environmental health
2. Womens health and environment
3. Workers and noise hazards
4. Elderly (in high risks) and environmental health
Lecture 8: Foodborne Hazards and Human Health
It must be something I ate
Nontransmissible (can not transfer from person to person)
Lecture 6: Radiation and Human Health
We can not escape radiation
1. Background radiation - Natural radioactivity in the Earth and by cosmic rays from outer
space. Cannot be controlled
2. Manmade radiation - electronic products:
X-ray machines: different
Define: Based on atomic weight, based on density (all elements having density higher than 7gm/cm 3).
Trace elements are elements found in a lower concentration. Very low sometimes hard to detect.
Chemical Hazards spread everywhere in all mediums
Chemical body burdens
Both are interconnected with each other. Endocrine problems can be a body burden and vice
Data mostly from anim
Liquid natural capitol
Earth is water planet
Water covers 71% of Earth surface but not all the water is available for our consumption
Not much fresh water
Mostly salt water
All are results of environmental change except for population growth.
2 Its the fact t
University of Toronto Scarborough
19 October 2012
Do not begin until you are told to do so. In the meantime, put your name on this cover page and read
the rest of this page.
Aids allowed: None.
Duration: 45 minutes.
There are 3 pages
CSC B36 Sample Solutions to Quiz 1b Fall 2012
1. Nick Cheng, 975386420
2. Let u,v be arbitrary binary strings. Consider the set
A = cfw_ |s| : u is a subsequence of s and v is a subsequence of s .
I.e., A is the set of numbers "length of s", where