Note on Introduction to Disease

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Diseases

The state of feeling uncomfortable and uneasy due to disorder in the body which makes it difficult to do any work is called disease.

Types of disease

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a. Communicable disease:

Those diseases that are mainly caused by virus and bacteria and can be transferred from an unhealthy person to healthy people are called communicable diseases. They are caused by contact with the sick person through the medium of clothes, food, insect, injections, etc.

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b. Non-communicable diseases:

The diseases that are mainly caused due to an unhealthy lifestyle, lack of exercise, unhealthy food, etc. but are not transferred from one person to another are called non-communicable diseases.

Differences between communicable and non-communicable diseases

Communicable Non-communicable
1. The main causes of this disease are parasites and viruses. 1.The main causes of the diseases are the unhealthy lifestyle, alcohol and tobacco use, lack of exercise, etc.
2. It is transferred from a sick person to a healthy person. 2. It is not transferred from a sick person to a healthy person but it depends on the lifestyle of people, obesity and mental health.
3. Most of the communicable diseases are of acute type (means that can be cured.) But some diseases like tuberculosis, HIV, Hepatitis B are chronic (means that cannot be cured but can be controlled) 3. Most of the non-communicable diseases are chronic.

  • The state of feeling uncomfortable and uneasy due to disorder in the body which makes it difficult to do any work is called disease.
  • There are two types of disease. They are communicable disease and non-communicable disease.
  • Most of the communicable diseases are of an acute type and some diseases like tuberculosis, HIV, Hepatitis B etc  are chronic. But most of the non-communicable diseases are chronic.
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Very Short Questions

The term ‘disease' is derived from two words ‘dis' meaning lack and ‘ease' meaning comfort. It is a condition of discomfort. The state of feeling uncomfortable and uneasy due to disorder in the body which makes it difficult to do any work is called disease.

There are two types of disease. They are: communicable disease and non-communicable disease.

Differences between communicable and non-communicable diseases

Communicable diseases Non-communicable diseases
1. The main causes of these diseases are parasites and viruses. 1. The main causes of these diseases are unhealthy lifestyle, alcohol and tobacco use, lack of exercise, etc.
2. It is transferred from a sick person to a healthy person. 2. It is not transferred from a sick person to a healthy person but it depends upon the lifestyle of people, obesity and mental health.

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  • A diseases caused by virus and bacteria and transferred from an unhealthy person to healthy person is called______.

    non-communicable diseases
    both bacteria and virus
    bacteria
    communicable disease
  • Parasites and viruses are causes of which one of the following?

    Non communicable diseases
    Communicable diseases

    Cancer
    Diabetes
  • Chronic lung disease is a  ______.

    Common cold
    Communicable disease
    Non communicable disease
    lung disease
  • Which one of them cannot be cured but can be controlled?

    Cancer
    Diabetes
    Hepatitis B
    All the answers are correct
  • Which of the following is the most accurate definition of infection?

    The presence of micro-organism in a particular location
    The appearance of symptoms in a host, caused by micro-organisms
    The survival and reproduction of micro-organisms in a host
    The disruption of normal host functions by micro-organisms
  • Which one of the following is a communicable disease?

    Hypertension
    Diabetes
    Kwashiorkor
    Diptheria
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Different between communicable and non communicable disease


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