Examples of occupational diseases with their control and prevention! Example # 1. Pneumoconiosis: Dust within the size range 0.5 to 3 microns is a health hazard, producing after a variable period of exposure, a lung disease known as pneumoconiosis, which may gradually cripple a man by reducing his working capacity due to lung fibrosis and other complications. The hazardous effects [...]
In this article we will discuss about the methods and strategies applied for controlling the following infectious diseases: 1. Malaria 2. Tuberculosis 3. AIDS (HIV) 3. Cholera 4. Poliomyelitis 5. Viral Hepatitis 6. Lymphatic Filariasis 7. Leishmaniasis. How to Control Malaria? Malaria is a protozoan disease caused by infection with parasites of the genus Plasmodium and transmitted to man by [...]
The lymph nodes draining the head and neck are classified into superficial and deep nodes. Superficial lymphatics follow superficial veins while deep lymphatics follow arteries. I. Superficial Nodes: Drain superficial tissues of head and neck. A. Circular Group: Arranged in the form of a circle round the neck called "Pericervical collar". It includes: (a) Submental Nodes: Lie in submental triangle. [...]