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Q. Can you explain Cholera?
Cholera is one of the diseases which had caused epidemics all over the world. The organism which causes the disease is Vibrio cholerae. It is an aerobic, facultatively anaerobic, straight or slightly curved, short, gram-negative, oxidose-positive rod with a single flagellum.
The K cholerae produces a heat-sensitive enterotoxin while growing in the human intestine. It causes the characteristic cholera symptoms including 'rice water stool'. The toxin is heat labile. The incubation period of cholera ranges from a few hours to 5 days but usually between 2-3 days. The symptoms include abrupt onset of vomiting and watery diarrhoea. Diarrhoea has a rice water appearance, where the stools look like water with flecks of rice in it hence the name 'rice water stool'. Dehydration may be followed, causing death in some cases, if prompt electrolyte supplementation is not provided. Antibiotic treatment helps in reducing the duration of the disease by killing the organisms before they become bound to mucosa.
Q What is osmotic pressure? Osmotic pressure is the pressure produced in an aqueous solution by a region of lower solute concentration upon a region of higher solute concentrat
Degree of dispersion of protein solution is decreased. It is decreased because of certain reasons:- Association: refers to changes occuring at subunit or molecular leve
Osmotic and Ionic Regulation The ammonotelism, ureotelism and uricotelism are the adaptations of the animals for the removal of toxic nitrogenous wastes and thereby maintain
what is the excitation threshold of a neuron?how does this threshold relate to the all or nothing rule of neural transmission
Anterior superior alveolar nerve It is a branch of infraorbital nerve which arises within the infraorbital canal. It gives a nasal branch which passes into nasal cavity to supp
How Parasitic infections are found? Parasitic infections are found throughout the world. With increasing travel, immigration, use of immunosuppressive drugs and the spread of A
Q. Thumb rule for dietary management? The thumb rule for dietary management is to advice the patient to try to cut down or avoid: Red meats. Organ meats such as br
I need help with my AS level corsework
a) In what form do plants absorb calcium from the soil? b) List any two calcium deficiency symptoms in plants.
indicator for testing for the presence of sugar
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