Question

2, Name three specific occupational illnesses and the hazardous agent associated with it

11, You are Administrator for the U.S. Department of Agriculture developing a 30-year vision for a sustainable food system. What three goals/principles should guide that vision and WHY (think about the impacts of current agricultural practices)

15, Why is tap water better for health and the environment than bottled water?  Provide three evidence-based reasons for your answer (eg use the book or other source)

16, Bottled and Sold and Food Inc both discuss the issue of interconnections and feedback loops in complex systems. Provide a short example from each book that demonstrates these concepts   

18, Name one or two things that you really liked about this class and one or two things you would change to improve it in the future.

21, Name three specific indoor air contaminants and their sources

19, You are at a holiday party and someone asks you about Bottled and Sold and Food Inc. How would you summarize in a sentence or two max each of the books and key themes?

1. The largest use of antibiotics in the US is on farm animals

   True

   False

3 points   

QUESTION 4

1. The last line of defense against occupational hazards should be:

   		use personal protective equipment
   		none of these
   		administrative controls
   		substituti

2. carpal tunnel syndrome is an example of a musculoskelatal disorder

   True

   False

3. Exposure to radon is the second most important cause of lung cancer

   True

   False

Answer 1

Answer to 2nd question:

1. The occupational illness is development of musculoskeletal disorder due to the heavy work in the weight lifting of heavy things in the work. the hazardous agent is physical stress developing due to the repetative lifting tasks .

2. The another occupational illness is hearing loss happens when working for long time in the construction sites. The hazardous agent is working without taking precautions like having earmuffs on ears while working to avoid that much sound and vibration. if working without earmuffs for loner period leads to loss of hearing ability.

3. The other occupational illness is liver problem, cancer and respiratory diseases due to working in the chemical or bilogical industries and exposure to the chemical hazards dailys leads to these type of disorders develops.

Answer to 15th  question:

The tap water is better option when compared to the bottled water due to the tap water is low in cost and bottle water is costly have to buy.

--tap water is environmentally friendly and there is no harm but the botlled water contains water in plastic bottle and the plastic is non recycable and environmentally friendly.

--The tap water goes through water purification process and it safe to health but in bottled water , it is not safe to health. Tap water contains mineral Flouride which presence helps to health but that is absent in bottled water.

Answer to 21st question:

The three specific air indoor contaminants includes that

--1. the smoke from cigarettes releases into the air and it releases the chemical known as carcinogen which is not good for health. The air can purified with air filtration system.

-2. The biological contaminants like pollen from flowers or plants, dust from air , bacteria or virus from pets or other persons and these can travel from outside to indoors and infect the persons.

--3.the Carbon monoxide gas which is toxic to health and present in air without colour and comes from gas stoves in the houses and this gas leaks and cause harm to the health.

Answer :

The largest use of antibiotics in the US is on farm animals is true statement. The antibiotics are used in the farm animals for their growth speed increase and to treat the diseases in the farm animals.but the large use of anitibiotics in animals leads to development of antibiotic resistance bacteria raises.

Answer to 4th question:

The last line of defense against the occupational hazards must be usage of personal protective equipment.

In the occupational hazards like getting hit on head can be prevent by wearing helmet, chemicals from industries can leads to respiratory diseases can prevent by wearing masks and glasses, etc.

other option is wrong

The administrative controls can prevent occupational hazards to certain limit but can not fully protect from occupational hazards .