When we suffer from a disease, we feel unwell because some part of the body is not working normally. This is an indication of a disease and is called a symptom. A symptom is a change in normal functioning of the body which is felt by a patient, but which cannot be observed by the doctor.
For example, stomach ache, sore throat and nausea are symptoms. A patient has to tell the doctor about these because the doctor cannot see or feel them. Symptoms only indicate that a patient is suffering from a disease, but they do not indicate what disease.
For example, a patient complaining of body ache could be suffering from any one of a number of diseases like influenza or malaria. Apart from what he hears from a patient, a doctor looks for signs of a disease.
A sign of a disease is a change in the bodily function or structure that can be observed. Rashes, swelling of glands, change in colour of the skin, etc., are signs which give doctors a good idea about a disease.
For example, a sticky red eye indicates a common eye infection called conjunctivitis. Yellow skin and eyes can be due to a disease called hepatitis. Signs and symptoms help in the diagnosis of a disease.
Diagnosis means the process of identifying a disease. Apart from signs and symptoms, a doctor may measure the temperature, blood pressure and weight of the patient to diagnose a disease. In many cases, the doctor also needs the help of laboratory tests of blood, urine, stool, etc., and diagnostic images like X-rays to diagnose a disease.
Prognosis: Prognosis is the predicted outcome or forecast of a disease or process.It is an objective measurement but a subjective comment based on previous cases.Good prognosis means that the patient is very likely to recover, and the threat to life is less, and the threat to life is less.
Which of the following is a disease caused by protozoan parasite ? | |||
Right Option : D | |||
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Loss of bone mass and strength is : | |||
Right Option : C | |||
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Sterility is due to _____________________ | |||
Right Option : D | |||
View Explanation |
Usually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
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In terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
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We started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.