Types of Diseases - Bacterial Diseases: Cholera and Tuberculosis - (GCSE Biology)
Bacterial Diseases: Cholera and Tuberculosis
Tuberculosis
- Tuberculosis (TB) is a lung disease. It is caused by the bacterium Mycobacterium tuberculosis.
- It causes lung damage. The bacterium destroys lung tissue and can cause coughing and even cause the individuals to cough up blood.
- Tuberculosis is transmitted through air. This occurs when the infected individuals cough.
- Tuberculosis transmission can be reduced. The infected individuals must avoid going to public places where there is crowding. They should maintain good hygiene with a well-ventilated house and sleep by themselves.
Cholera
- Cholera is a disease that affects the digestive system. It is caused by the bacterium Vibrio cholerae.
- Cholera causes severe diarrhoea. The bacterium produces a toxin that causes movement of chloride ions into the small intestine and thus, water follows due to osmosis. This leads to diarrhoea, dehydration and loss of salts from the blood. It can be treated by rehydration therapy.
- Cholera is transmitted through contaminated water. Hence, it is a common disease where water isn’t treated and purified.
- Cholera can be prevented. If people are given access to clean water then cholera won’t spread.
Bacterial diseases are illnesses caused by the growth and proliferation of bacteria in the human body. In GCSE Biology, students learn about two common bacterial diseases: cholera and tuberculosis.
Cholera is a serious bacterial disease that affects the intestines and causes severe diarrhea. In GCSE Biology, students learn about the symptoms, causes, and methods of prevention and treatment of cholera.
Cholera is caused by the bacterium Vibrio cholerae, which can be found in contaminated water and food. In GCSE Biology, students learn about the environmental and hygiene factors that contribute to the spread of cholera and how to reduce the risk of infection.
Tuberculosis (TB) is a bacterial disease that affects the lungs and can spread to other parts of the body. In GCSE Biology, students learn about the symptoms, causes, and methods of prevention and treatment of tuberculosis.
Tuberculosis is caused by the bacterium Mycobacterium tuberculosis, which is spread through the air when an infected person coughs or sneezes. In GCSE Biology, students learn about the factors that increase the risk of infection with tuberculosis and how to reduce the risk of transmission.
Cholera is treated by replenishing fluids and electrolytes lost due to diarrhea, and in severe cases, antibiotics may be prescribed. In GCSE Biology, students learn about the importance of prompt and proper treatment of cholera to reduce the risk of complications and death.
Tuberculosis is treated with a combination of antibiotics taken for a period of several months. In GCSE Biology, students learn about the importance of completing the full course of antibiotics to ensure that the bacterium is completely eliminated from the body and to prevent the development of drug-resistant strains.
Preventive measures for cholera and tuberculosis in GCSE Biology include maintaining good hygiene, such as washing hands regularly, and ensuring access to clean water and food. Students also learn about vaccination programs and other public health measures that can help reduce the spread of these diseases.
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