Essay about L3 Unit 20 1 Assign

Your Name:

OLUWADUNBARIN LAKANMI
Workplace:

DYZARK GROUP LIMITED, (CARE HOME)
28, DOWNS PARK, HERNE- BAY, KENT.CR6-6BZ

Start Date:
Completion Date:
UNIT =20
UNIT LEVEL= 3

UNIT REFERENCE=H/501/7103
UNIT CREDIT VALUE=2

1.1 Identify the differences between bacteria, viruses, fungi and parasites.
Bacteria are living being (single cell micro-organism).They are neither plant or animal and exist in millions. A virus is a small infectious agent that can replicate only inside the living cell of an organism. They are too small to be seen even with a light microscope. It infects all type of organisms from animals, plants to bacteria. Virus is not reproductive in the food, and need living host to replicate. They replicate by entering the cell of the host and take over genetic materials responsible for reproduction. They can infect all type of cells including bacteria, fungi, plant, animal and living cells of human being. A fungi is a single plant organism and eukaryotic. It reproduces sexually through spores and found in a single cell. It causes spoilage in food. Parasites need a living host to complete their life cycle; and are host specific. They can be found in soil, water, air and animals. It can be acquired through consumption of water, food and contact with contaminated surfaces.

1.2 Identify common illnesses and infections caused by bacteria, viruses, and parasites.
The common illnesses and infection caused by bacteria are:
a. Tuberculosis.
b. MRSA.
c. Shigella.
d. Dysentery.
e. Bronchitis.
f. Ear infections.
g. Pneumonia.
h. Food poisoning.
i. Strep throat/tonsillitis.
j. Gonorrhoea.
k. Syphilis.
l. Chlamydia.
m. Gastritis.
n. Sinusitis.
o. Otitis media.
p. Eye infection.
q. Bacteria meningitis

The common illnesses and infections caused by viruses are:
a. Common cold.
b. Stomach flu.
c. Influenza.
d. Pneumonia.
e. Ear infection.
f. HIV/AIDS.
g. Hepatitis A.
h. Herpes.
i. Warts.
j. Dengue.
k. West Nile Virus.
l. Encephalitis.
m. Chicken pox.
n. Cold sores.
o. Norovirus.

The common illnesses and infections caused by fungi are:
a. Valley fever.
b. Athlete’s foot.
c. Ringworm.
d. Yeast infection.
e. Otomycosis (ear).
f. Thrush.

The common illnesses and infections caused by parasites are:
a. Malaria.
b. Sleeping sickness.
c. River blindness.
d. Lyme disease.
e. Scabies

1.3 Describe what is meant by ‘infection’ and ‘colonisation’?
Colonisation is the ability of some micro-organisms to live in or in a host without causing disease. This is the development of a bacteria infection on an individual as demonstrated by a positive culture. The presence of bacteria on a body surface ( like the skin, mouth, intestine or airways). The infected person may have no sign or symptoms of infection while still having the potential to infect others. Infection begins when an organism successfully colonizes by entering the body, growing and multiplying. Infection is defined as harm caused by micro-organism or invasion of the body by pathogenic organisms. This an invasion of the body by a foreign substance such as germs, microbes and parasites, these can infect the body in many different ways. Bacteria caused the body immune system to breakdown.

1.4 Explain what meant by “systematic infection” and “localised and infection” A localised infection is an infection that is limited to a specific body part or region. It means it stays in one place more likely where the infection enters the body.
A systemic infection is the opposite. That's when the pathogen is distributed throughout the whole body. The bacteria has infected the whole body spreading possibly through the blood to all parts

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