The Morley Academy
A2 Level Health & Social Care
Unit 9- Investigating Diseases
In my unit 9 assignment I will be looking at and comparing communicable and non-communicable diseases. I will also be looking at two different diseases and the differences between them and their signs and symptoms. Section A (AO1): I will be focusing on communicable and non-communicable diseases are, how they are caused, types of them and the signs and symptoms of one of each and also how they are diagnosed. Section B (A02): I will be focusing on how diseases are distributed within the population, factors affecting the cause and distribution of diseases and compare the differences between my two chosen diseases (one communicable and one non-communicable). Section C (A03): I will be showing research and understanding of methods of treatment for each of my disease, also I will be explaining the factors that affect the outcome of different treatment methods for each disease. I will also be comparing the treatment and support available for each disease in different areas of the UK. Section D (A04): I will be identifying and describing three public health strategies for the prevention of my diseases and also evaluate each strategy for the prevention. I will also be describing some of the work-related problems that can impact on the success of the strategy. Finally I will be giving my overall conclusion of the research and information I have shown in this assignment.
Disease : "A pathological condition of a part, organ, or system of an organism resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms ” Health : “Soundness, especially of body or mind; freedom from disease or abnormality” Communicable Diseases: “A disease that can be communicated from one person to another” Non-Communicable Diseases: “Is a disease which is not contagious.” Illness: “Poor health resulting from disease of body or mind; sickness.” Transmitted: “To send from one person, thing, or place to another; convey.” Medical Signs: “An objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient.” Medical Symptoms: “An indication of disorder or disease, especially when experienced by an individual as a change from normal function, sensation, or appearance.”
Communicable diseases are those that are transmissible from one person, or animal, to another. The disease may be spread directly, via another species (vector) or via the environment. Illness will arise when the infectious agent invades the host, or sometimes as a result of toxins produced by bacteria in food. The spread of disease through a population is determined by environmental and social conditions which favour the infectious agent, and the relative immunity of the population. An outbreak of infection could endanger the operation and safety of the ship. An understanding of the disease and the measures necessary for its containment and management is therefore important.
Infectious agents and examples of diseases
The organisms that cause disease vary in size from viruses, which are too small to be seen by a light microscope to intestinal worms which may be over a metre long. The groups of infectious agents are listed with examples of diseases they cause. * Bacteria
Pneumonia, tuberculosis, enteric fever, gonorrhoea
Measles, varicella, influenza, colds, rabies
Ringworm, tinea pedis (athlete’s foot)
Tapeworm, filariasis, onchcerciasis (river blindness), Hookworm * Prions
Kuru, Creutzfeld-Jacob disease, Bovine spongiform encephalopathy (BSE)
Modes of transmission
* Direct transmission
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