This website uses cookies to ensure you have the best experience. Learn more

Biological Hazards Essay

847 words - 4 pages

>pathogens (bacterium, virus, parasites) invades the body and multiplirs in its cells and tissues
>ex. flu, malaria, tb, measles

>single-celled organisms that multiply rapidly on their own
>most are harmless and beneficial
>some are infectious
~bacterial disease - results from infection as bacteria multiply and spread throughout the body

>smaller bacteria working by invading a cell and taking over genetic machinery to copy themselves
~viral disease
ex. flu, AIDS

TRANSMISSIBLE DISEASE (contagious/communicable disease)
>can be transmitted
~bacterial disease (tb, gonorrhea, strep throat)
~viral disease (cold, flu, AIDS)

...view middle of the document...

Influenza or Flu virus (biggest viral killer)
>transmitted by body fluids or airborne emissions of an infected person
>can be pandemic
2. HIV (Human Immuno-deficiency virus)
3. HBV (Hepatitis B virus)
>damages the liver
>transmitted by:
•unsafe sex
•sharing of needles by drug users
•infected mothers who pass virus to offspring before or during birth
•exposure to infected blood

*emergent diseases - illness previously known or were absent in human populations for 20 years
>West Nile virus - transmitted to humans by a mosquito which feeds on birds that carry the virus
•viral encephalitis - acute infection of brain and spinal cord
•viral meningitis - infection in the membranes that cover brain and spinal cord
*more than half of all infectious diseases were originally transmitted to humans from wild and domesticated animals
>west nile virus
>avian flu
*development of such diseases spurred the growth of Ecological Medicine

you may reduce getting infectious diseases by:
>wash hands
>avoid touching your face
>dont share personal items
>cuts and scrapes must be bandaged until it heals
>stay away from people who have flu or other viral diseases

*using antibacterial soap, liquids and sprays may do more harm
>can contribute to resistance in bacteria

Case Study
The Global HIV/AIDS Epidemic
AIDS (Acquired Immune Deficiency Syndrome)
>caused by HIV
>cripples immune system and leaves body vulnerable to infections such as TB and Kaposi's Sarcoma (form of cancer)
>transmitted by:
•unsafe sex
•sharing of needles by drug users
•infected mothers who pass virus to offspring before or during birth
•exposure to infected blood
>may lead to death
>treatment is too expensive to be used extensively in...

Other Essays Like Biological Hazards

Royal Commission on Safety in Mines

2431 words - 10 pages and correcting health and safety problems| c.|the right to know about hazards in the workplace| d.|the right to refuse wearing safety equipment that is uncomfortable| ANS: b PTS: 1 REF: p. 7 & 15 BLM: Higher Order 8. What HRM practice would support an enforcement solution to health and safety? a.|compensation| b.|orientation and training | c.|performance management| d.|job analysis and job design | ANS: c PTS: 1 REF: p. 16

Safe Work Procedur Essay

937 words - 4 pages large quantities of flammable substances. a) Identify the hazards that workers could be exposed to during the work b) Outline control measures for the safe stacking and storage of: (i) Materials used on-site (ii) Flammable substances used on-site * Conclusion * Reference Introduction The globalization world most companies are being very successful but then besides being successful they ignore regarding the

Living in American Society

843 words - 4 pages Living in American society poses hazards to the biological evolution and contradicts Charles Darwin's theory of natural selection. As products of society, all Americans (and all other civilized societies of the world) are sheltered from what our ancestors used to hundreds and even thousands of years ago, which was to live individually and not have to rely so heavily on a system to live. Through an imaginary document called the 'Social Contract

Unit 334 Level 3 Teaching and Learning in Schools

1287 words - 6 pages Unit 334 It is important to ensure any environment being used is free from hazards and that pupils are able to use the area safely. Factors which must be taken into account when planning healthy and safe indoor and outdoor environments are: . The health needs of staff and children- these include the basic needs of all but also individual needs such as things which affect those who are pregnant, or those with physical disabilities or sensory

Risk Analysis of Ice Cream Factory

1938 words - 8 pages ice cream And if the healths of consumers are threatened, this can pose a great risk of CONSUMER Liability to the producer. The risk hazards can be classified into 3 types: 1. Micro-Biological 2. Chemical 3. Physical 1.MICROBIOLOGICAL Hazard: This kind of hazard is the presence of pathogens in the raw material and the finished ice cream. As we know milk and milk products are the main ingredient of milk and if milk if not

Nrf Preparedness Cycle

1076 words - 5 pages key when it comes to responding effectively to any type of biological threat, attack, or natural disaster. Following a set organizational structure proves to be successful when delegating responsibilities to local authorities. (Maniscalco, 2011) The National Response Framework establishes a comprehensive all-hazards approach to enhance the ability of the U.S. to manage its domestic incidents. It forms the foundation of how federal branches and


727 words - 3 pages  biological effects of radiation on human body. The atoms unite through a process called ionization. So the biological effects begin with the result of radiation combining with the atoms which develops cells. There are several sources of radiation. In fact, It can be found everywhere. The homes which we live by contain amount of radioactive elements that decay into a chemical element called radon gas. It can leak into our homes which. It can also be

Communication and Crisis

1117 words - 5 pages . In this way any preventable cases of illness or death can be mitigated. When the risk of water supply contamination by a biological agent becomes known, for example, the main requirement is to communicate this to as large a proportion of the affected public as possible while minimizing the risk of panic or false information. To do this effectively, a sequence of risk-related communication needs to be implemented, including the choice of a

Diploma Safety Management Final Test

4160 words - 17 pages move and not trip, slip or fall * Fire hazards are reduced – correct storage means that hazardous materials or excess materials are not likely to cause a fire Other areas relevant to this module are workplace organization which works in conjunction with good housekeeping and are: * Correct storage must be taken when dealing with hazardous liquids or gasses and correct fire prevention systems must be in place together with restricted access

Coles Food Tech

1751 words - 8 pages customers. Coles brand products have a consumer message somewhere on the packaging of the product stating that if the product does not suit your standards then a full refund is equipped. HACCP (Hazard Analysis Critical Control Points) is a systematic preventive approach to food safety from biological, chemical, and physical hazards in production processes that can cause the finished product to be unsafe, and designs measurements to reduce these risks

operation management

3346 words - 14 pages €¢ Chemical hazards • Physical hazards • Biological agents • Heat 4.2.1 Chemical hazards Numerous chemicals are used and manufactured in the pulp and paper industry that can have adverse impacts on worker health and safety 4.2.2 Physical hazards The most severe injuries in this sector are often attributable to the failure of lockout and tag out systems. 4.2.3 Biological agents Biological agents include microorganisms such as bacteria

Related Papers

An Essay On Natural Hazards And Natural Disasters

581 words - 3 pages example, earthquakes orvolcanoes4. Biological Ð for example, disease epidemicsand plagues5.Technological Ð for example, accidents, explosionsor hazardous materials6.Human Ð for example, war, crowd stampedeand terrorism.The first four groupings are generally referredto as natural hazards and the last two as humanhazards. It should be noted that some naturalhazards are influenced by the actions andlocations of people. For example, the

Environmental Pollution 2 Essay

1723 words - 7 pages decompose in the environment. Pollutions are different kinds 1. Air pollution 2. Water pollution 3.Soil pollution 4.Marine pollution 5. Noise pollution 6. Thermal pollution and 7. Nuclear hazards. I-Air pollution: It may be defined as “the presence of one or more contaminants like dust, smoke, mist and odour in the atmosphere which are injurious to human beings, plants and animals.” Sources of air pollution: a) Natural pollution

Maintain Workplace Safety In The Property Industry

4894 words - 20 pages attracted attention and interest somewhat out of proportion to the size and value of the existing market. The variety of protective functions that needs to be provided by different textile products is considerable and diverse. It includes protection against cuts, abrasion, ballistic and other types of severe impact including stab wounds and explosions, fire and extreme heat, hazardous dust and particles, nuclear, biological and chemical hazards, high

Food Hygiene Practices In Hong Kong

1553 words - 7 pages ----------------------------------------------------------------------------------- 19 Scope Hazards They are biological, chemical, or physical agent in, or condition of, food with the potential to cause an adverse health effect. I. Chemical Hazards: Pesticides from parsley and seasoning II. Physical Hazards: Knife blades III. Biological Hazards: Fungi, Salmonella from feta cheese, Clostridium botulinum, Hepatitis A and Parasites from prawns, Campylobacter jejuni from butter, etc. IV. Allergens: Crustaceans â