Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
Title: Diseases (Explained in deep detail)
Description: These notes explain about Ebola, Cholera, Chalara Ash Dieback, HIV/AIDS, Tuberculosis, Helicobacter Pylori and Malaria.
Description: These notes explain about Ebola, Cholera, Chalara Ash Dieback, HIV/AIDS, Tuberculosis, Helicobacter Pylori and Malaria.
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
Diseases in Detail (Edexcel)
Cholera
Name of Pathogen: Vibrio Cholerae
Host Organism it effects: Humans
What does it do:
The pathogen spreads through contaminated water sources
...
Symptoms of the Disease:
They can cause severe diarrhoea
...
Nausea and vomiting takes place (which can persist for hours
at a time)
...
Prevention and Treatment:
Drinking and washing
...
The anti cholera vaccine can be used
to treat the disease
...
Make sure that
people have access to clean water supplies
...
Symptoms of the Disease:
Coughing that lasts for three weeks or more, as well as coughing up blood
...
Sweating heavily at night
...
Fever
...
Lung damage may occur
...
BCG vaccine helps to prevent
tuberculosis
...
Infected individuals should avoid being crowded places and sleep alone
...
A well-ventilated home reduces the chances of
transmission
...
It can also
spread when ash trees already infected with the diseases are moved between
areas
...
On stems, small
lens-shaped lesions or necrotic spots appear on the bark of stems and branches
and enlarge to form perennial cankers
...
Sometimes, the entire tree may die, either directly, or by weakening the tree to a
point where it will not be able to defend itself from other diseases
...
Government are working hard to control it
...
Removing young, infected ash trees and replanting with a
different species of three (e
...
birch) can slow down the spread of the fungus
...
Malaria
Name of Pathogen: Plasmodium
Host Organism it effects: Humans
What does it do:
2
Malaria is caused by a protist
...
When the mosquito feeds on another animal, it infects it by inserting
the protist into the animal’s blood vessels
...
Damage to red blood cells - in
severe cases - to the liver
...
Nausea, vomiting and diarrhoea can occur
...
Spraying exposed skin with insect repellant and
sleeping under a mosquito net
...
Ebola
Name of Pathogen: Ebola Virus (EBOV)
Host Organism it effects: Humans and Non-Human Primates
What does it do:
It is a virus that is spread through coming into contact with infected bodily fluids of
an individual
...
Prevention and Treatment:
There is no FDA-approved treatment or vaccine available for Ebola
...
Isolate infected individuals and sterilising areas where there are
high chances of the virus being present, such as a hospital bed used by an infected
individual
...
3
HIV/AIDS
Name of Pathogen: Human Immunodeficiency Virus (HIV)
Host Organism it effects: Humans
What does it do:
It attacks white blood cells - which are key part to the body’s immune response
...
Symptoms of the Disease:
Diarrhoea can take place as well as rapid weight loss
...
Flu-like symptoms
...
Prevention and Treatment:
The infected individual can be controlled with antiretroviral drugs, which stops the
virus replicating
...
HIV medication
reduces the risk of passing on the virus
...
Stomach Ulcers (H
...
This allows the stomach acid to penetrate the lining, creating a
hole (known as an ulcer) that exposes tissue underneath
...
Aches or burning pains in
abdomen
...
Unintentional weight loss
...
Bloating
...
Prevention and Treatment:
4
Mainly through oral transmission (consuming contaminated food and water)
...
Disinfect food-preparation areas
to help prevent contamination of food with bacteria
Title: Diseases (Explained in deep detail)
Description: These notes explain about Ebola, Cholera, Chalara Ash Dieback, HIV/AIDS, Tuberculosis, Helicobacter Pylori and Malaria.
Description: These notes explain about Ebola, Cholera, Chalara Ash Dieback, HIV/AIDS, Tuberculosis, Helicobacter Pylori and Malaria.