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Pollution - Environmental Pollution
Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:
The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.
This process involves the regulation of the concentration of the body fluids through control of water content and salt content of the blood. If a person loses water from their bloo
Q. Explain Restrictive cardiomyopathy? It is a systemic or idiopathic disorder of the myocardium with clinical and hemodynamic features of diastolic dysfunction, closely simula
Give the causative organism and symptoms of Bacillary Dysentery • Bacillary dysentery is caused by Shigella sp. (Shigella sonnei, S. dysenteraei). Incubation period is
LEVELS OF PREVENTION AND ROLE OF A NURSE: Caplan describes the levels of prevention as follows: 1) Primary Prevention It is concerned with reduction of incidence
phylum protozoa
Define the Role of Vitamin D in the immune system? Immune responses that are, mediated by T-cells can be inhibited by tile large doses of calcitriol i.e. 1, 25 dihydroxycholec
Hemoconcentration Before, during and after CPB, hemoconcentration allows the patient's blood to be salvaged during surgery to help reduce the need for donor blood. Ultra
Describe Meristems term in diversity of life? Plant development goes through a stage known as primary growth, which produces what is referred to as the "primary plant body." A
Mrs. Jackson is a 76 year old woman living in a skilled nursing facility. She has Hx: CVA with left-sided weakness, incontinent of bowel and bladder, PEG tube, GERD, HTN, Dementia,
Q. What do you know by Hemodynamic Responses? Reduced exercise capacity roughly reflects impaired LV function, and may contribute its prognostic value to this association. Comp
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