During a disease:

  • A
    Either the functioning or the appearance of one or more systems of the body will change for the worse.
  • B
    Changes occur which give rise to signs and symptoms of disease.
  • C
    Only $(b)$ is correct.
  • D
    Both $(a)$ and $(b)$ are correct.

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Similar Questions

Name diseases which are caused by:
$(i)$ virus
$(ii)$ bacteria
$(iii)$ protozoa.
(Give two examples for each)

State whether the following statements are true or false:
All diseases have immediate and contributory causes. Most of the diseases will have many causes,rather than one single cause.

State in tabular form the modes of transmission of each of the following diseases:
$(a)$ Syphilis
$(b)$ Tuberculosis
$(c)$ Jaundice
$(d)$ Japanese encephalitis

Fill in the following table:
$S.No.$DiseasePoint of EntryTarget Organ
$1.$ Japanese encephalitis$(a)$$(b)$
$2.$ $HIV$$(c)$$(d)$
$3.$ Tuberculosis$(e)$$(f)$

What is a disease? Explain the various types of diseases giving one example of each.

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