Causes and Spread of Infection Sample Essay

Identify the differences between bacteriums. viruses. Fungi. parasites? -Viruses aren’t life. They’re merely made of complex proteins and nucleic acids. Bacteria. Fungi and Parasites are populating beings. – Bacteria are unicellular micro-organisms. Fungi and Parasites are multicellular. – Fungi have cell walls made of chitin and they aren’t animate beings. Parasites and bacteriums are animate beings. Bacteria come in 3 chief forms ; spherical which are known as coccus. rod shaped which are known as B or vibrio. coiling which is known as spirillum or spirochaetes. Bacteria is found in everything for e. g. dirt. H2O. animate beings. workss. waste. The lone topographic point they aren’t found is where worlds have sterilised.

Virus is a toxin or toxicant. It is a microscopic being dwelling of familial stuff. They can non reproduce without a host cell. When it gets this host cell. it takes over its maps. The cells so continue to reproduce. and reproduces more viral protein. Viruss can distribute from individual to individual. and by exchange of sage. coughing. sneeze.

Fungus kingdoms are skin infections caused by dermatophytes and barms. which are groups of Fungis that are usually harmless. When these turn overly. it causes symptoms and normally affects your tegument because they live of ceratin. Fungi infections can besides be caused by antibiotics. pregnant. ill controlled diabetes. weak immune system.

A parasite lives in close relationship another being. its host and it causes injury. Viruss are common parasites. Parasites has to be in its host to populate. turn and multiply. Identify common unwellnesss and infections caused by bacteriums. viruses. Fungis and parasites

Bacterial Infection and unwellnesss: – Antrax. Bacterial meningitis. Gonorrhea. Plague. MRSA Infection. Tetanus. Tuberculosis. They can do unwellnesss like TB. tonsillitis. and laryngitis and nutrient toxic condition. Viral Infections and illnesses- AIDS. Hand pes and oral cavity disease. Chickenpox. Mumps. Smallpox. Yellow febrility. Several human diseases are caused by viruses which include: – variola. rubeolas. the common cold. varicella. hepatitis. HIV. cold sores. herpes zosters.

Fungi Infections and unwellnesss: – The different fungi infections are: – jocks foot which is antsy flakey ruddy tegument. nail infections which can discolor or do the nail crumbly and thin. There are besides other fungi’s like thrush. yeast infection.

Parasite Infections and unwellnesss: – . A common parasite is a hookworm where it is possible for worlds or their pets to acquire. Hookworms attach themselves to the liner of the little bowel. and cause diseases. and malnutrition every bit good. Scabiess. malaria.

Describe what is meant by infection and colonization?
An infection. in general footings. is the unwellness caused by the growing of a source on or in a individual. Invasion by and generation of infective micro-organisms in a bodily portion or tissue. which may bring forth subsequent tissue hurt and advancement to overt disease through a assortment of cellular or toxic mechanisms. Colonisation ~ the development of a bacterial infection on an person. The septic individual may hold no marks or symptoms of infection while still holding the possible to infect others. When the source is normally found on our organic structure without doing an unwellness. we call it passenger car or colonization. Passenger car may be really short term ( transient ) . For illustration. acquired by touching person but rapidly removed by rinsing your custodies. or relentless with the source multiplying on your organic structure ( normally called colonization ) . In certain fortunes the sources that colonise our organic structures may travel on to give an infection.

Explain what is meant by “systemic infection” and “localised infection” Localised infection is an infection that is limited to a specific organic structure portion or part Systemic infection is an infection that is the opposite to localized infection. It is when the pathogen is distributed throughout the whole organic structure. Identify hapless patterns that may take to the spread of infection

Poor patterns that may take to the spread of infection can include: –
? No manus rinsing or non making it decently.
? Not have oning the right protective equipment.
? Not fixing nutrient decently or to adequate criterions or non functioning right.
? Personal hygiene is non to high criterions or cleanliness of the environment.
? Re-using equipment that should be sterilised or thrown off.
? Not adhering to wellness and safety processs.
? Not cooking or deicing nutrient decently.
? Not covering your olfactory organ or oral cavity when you sneeze and utilizing appropriate equipment like manus gels. rinsing. paper towels.







Understand the transmittal of infection

Explain the conditions needed for the growing of microorganisms?

Foods: – microorganisms need nutrient to last and they like high protein nutrient to last. E. g. fish and domestic fowl. Most micro – beings need warmth & A ; turn best at 20-40c. They need wet to multiply. some micro-organisms demand air to multiply but some need none. Explain the ways an morbific agent might come in the organic structure.

Mouth. lungs. cuts. contact with tegument or any other external variety meats such as eyes. entry via any opening ( ears. urinary piece of land. anus. nose. vagina ) and commixture of bodily fluids ( though this may imply entree via one of the above ) . It can be breathed in ( believe TB ) . it can come in through mucose membranes ( believe utilizing a ill person’s utensils or snoging person sick ) . it can come in through blood ( believe a cut or needle stick ) .