Classification of Disease

Question 1

What is disease ?

Answer 1

Any condition which impairs health, or interferes with the normal functioning of the body is called disease.

Question 2

Characteristics of disease

Answer 2

Aetiology
Pathogenesis
Manifestations
Complications
Outcome
Epidemiology

Question 3

Aetiology

Answer 3

The cause of a disease or abnormal condition.

Question 4

Possible Causes of Disease

Answer 4

Genetic
Environmental
Combination (multifactorial )
Unknown

Question 5

How can you classify disease ?

Answer 5

Functional

Biological

Socioeconomic and health

Systems or precision medicine

Question 6

Why classify disease ?

Answer 6

To understand and communicate.

Prognosis
Treatment
Prediction
Epidemiology

Question 7

Functional disease

Answer 7

Sore head

Question 8

Biological disease

Answer 8

Haemorrhage
Tumour
Trauma

Question 9

Socioeconomic and health disease

Answer 9

Hangover

Question 10

Systems or precision medicine disease

Answer 10

Any/all types of disease, integrated.

Question 11

4 P’s of medicine

Answer 11

Personalised
Predictive
Participatory
Preventative

Question 12

Pathogenesis

Answer 12

The process by which an infection leads to disease.

Mechanism by which a cause produces disease.

Question 13

Morphology

Answer 13

Relating to the form or structure of things.
e.g. skin abscess
lung tumour

Question 14

What should you do about the probability of disease ?

Answer 14

Think of prevention.

Question 15

Idiopathic

Answer 15

Of an unknown cause.

Question 16

Koch’s postulates

Answer 16

Cause must be observed
Disease must be isolated and grown
Effects must be reproduced
Recovery of microorganisms form diseased animal

Question 17

Benign vs Malignant

Answer 17

A benign tumour has distinct, smooth, regular borders.
A malignant tumour has irregular borders and grows faster than a benign tumor.

Question 18

Acute vs Chronic

Answer 18

Acute illnesses generally develop suddenly and last a short time, often only a few days or weeks. Chronic conditions develop slowly and may worsen over an extended period of time—months to years.

Question 19

Syndrome vs Disease

Answer 19

A syndrome refers to a group of symptoms, while a disease refers to an established conditionS

Question 20

Staging

Answer 20

Describes the extent or severity of a persons cancer. TNM staging

Question 21

Incidence

Answer 21

How many times a disease will occur in a year.

Question 22

Prevalence

Answer 22

How many people will have a disease at a given time.