Question 27
Classify the following diseases as infectious or non-infectious.
(a) AIDS
(b) Tuberculosis
(c) Cholera
(d) High blood pressure
(e) Heart disease
(f) Pneumonia
(g) Cancer
(a) AIDS - infectious
(b) Tuberculosis - infectious
(c) Cholera - infectious
(d) High blood pressure - non-infectious
(e) Heart disease - non-infectious
(f) Pneumonia - infectious
(g) Cancer - non-infectious
Infectious diseases are diseases caused by micro-organisms like bacteria, virus, fungi and protozoa and the transmission of these diseases occur through direct contact or some sort of medium (air, water, vectors).
Non-infectious diseases are diseases caused by genetic abnormalities, malfunctioning of organs, environmental factors etc. e.g.cancer, haemophilia, genetic diseases, cardiovascular diseases etc.