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RADIOISOTOPE DIAGNOSTIC PROCEDURE:
Radioisotope diagnostic procedures include perfusion, ventilation and gallium scan. Perfusion Lung Scan Following injection of a radioactive isotope, scans are made with a scintillation camera. 1) Measures blood perfusion through the lungs; evaluates lung function on a regional basis. 2) Useful in perfhion (vascular) abnormalities-pulmonary embolism.
Ventilation Scan 1) Inhalation of radioactive gas (xenon, krypton), which diffuses throughout the lungs. 2) Useful in detecting ventilation abnormalities (emphysema).
Gallium Scan
Radioisotope lung scan used to detect inflammatory conditions of the lungs.
Nature defences against viral infections 1. Interferons - In 1957 Issue and Lindenmann discovered that vertebrate cells infected with viruses, produce a diffusible antiv
Q. What are the five human digestive secretions? Which of them is the only pne that does not contain digestive enzymes? The human digestive secretions are: bile, saliva, gastri
Explain about the paediatric and psychological specialists What is not controversial is the fact that paediatric and psychological specialists frequently encounter infants and
Q. In which areas of the globe is gymnosperm abundance noteworthy? These plants are the typical vegetation of cold regions like the boreal forest or taiga of the northern hemis
what are the economic importance of obelia?
Explain assessment of iron status - Serum Ferritin? Serum Ferritin: This method is indicative of iron stores. As we know, a long term negative iron balance first results in dep
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Enzyme Activity Enzymes are biomolecules which catalyze (i.e. increase the rates of) chemical reactions. Almost all enzymes are proteins. In enzymatic reactions, the molecules
Vitamin B 1 (Thiamine hydrochloride) a) Thiamine hydrochloride is a white, crystalline powder, slightly hygroscopic, of an odour resembling yeast and of bitter to taste. b)
Q. Classification of plant on the basis of their resemblances? Pliny seemed to have little interest in the classification of plant on the basis of their resemblances. He classi
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