NEET MDS Shorts
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INI CET
Penicillamine is used as an antidote for copper poisoning. It works by binding to copper ions and facilitating their removal from the body. It is also used for the treatment of Wilson’s disease.
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PeriodonticsExplanation: Iontophoresis is a technique that uses a small electric current to drive charged substances (ions) into tissues. In dentistry, it is often used to deliver fluoride ions into the tooth structure, and it specifically encourages negative ions to penetrate.
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OrthodonticsThe transitional phase of dentition refers to the period when the primary (deciduous) teeth are being replaced by permanent teeth. This phase is characterized by the simultaneous eruption of permanent teeth and the exfoliation (loss) of primary teeth. It typically occurs between the ages of 6 and 12 years. The other options do not accurately describe this transitional phase; option 2 refers to a post-transitional phase, while option 3 pertains to orthodontic treatment rather than a specific phase of dentition.
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EndodonticsCalcium ions in calcific bridges formed after calcium hydroxide treatment come from the blood supply through the remaining vital pulp tissue, not from the calcium hydroxide itself or surrounding dentin.
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Oral PathologySialography is a radiographic examination of the salivary glands and their ducts, typically involving the injection of a contrast medium to visualize their structure and detect abnormalities.
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PeriodonticsChronic gingivitis is typically a painless condition
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General MicrobiologyHLA class I antigens are the principal antigens that induce an immune response in the host against transplanted tissues.
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General Medicine
Factor Xa is a serine protease that plays a pivotal role in the common pathway of the coagulation cascade. It, along with factor Va, forms the prothrombinase complex that converts prothrombin (factor II) to thrombin (factor IIa), which in turn activates fibrinogen to form fibrin, leading to clot formation.
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Oral SurgeryKoplik's spots are a pathognomonic sign of measles. They are small, white spots with a bluish-white center found on the buccal mucosa (inside of the cheeks) and are typically seen before the onset of the characteristic measles rash.
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Oral SurgeryTo give a field block, the LA should be deposited near a large branch of peripheral nerve.