NEET MDS Shorts
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General Medicine
The most common cause of death in anaphylactic shock is respiratory failure resulting from bronchoconstriction and laryngeal edema. Immediate airway management and bronchodilation are critical in the treatment of anaphylaxis.
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Oral SurgeryThe middle superior alveolar nerve (MSA) is one of the branches of the maxillary nerve that innervates the buccal gingival of the maxillary teeth, including the second premolar. The anterior palatine nerve innervates the palatal aspect, while the buccal nerve innervates the buccal mucosa and the anterior part of the palate.
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Oral PathologyThrombocytopenic purpura is a condition characterized by a low platelet count, which impairs the body's ability to clot blood effectively. When a patient with this condition undergoes a tooth extraction, the primary risk is excessive bleeding due to the clotting deficiency. Therefore, haemorrhage is the most common and significant postoperative complication
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BiochemistryThe eye change include an increase in blood vessels and inflammation of the conjunctivae, cornea is invaded by capillaries, producing opaque areas and even ulceration. Dermatitis characterized by a greasy and scaly reddened lesion develops on the skin around the nasolabial folds and may extend to a butterfly shape on the cheeks. There many also be lesions at the corners (canthi) of the eyes and lobes of the mouth.
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INI CET
Sunflower cataracts and Kayser-Fleischer rings are hallmark signs of Wilson’s disease, a genetic disorder leading to copper accumulation. These ocular manifestations are key in diagnosis.
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RadiologyZygoma fractures are best viewed by occipitomental (Waters) view. This projection provides optimal visualization of the zygomatic complex, including the zygomatic arch, zygomaticomaxillary sutures, and orbital rim, which are commonly involved in zygomatic fractures.
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NEETMDSViruses, when isolated in crystalline form, are found to be nucleoproteins. This means they are composed of a nucleic acid core (either DNA or RNA) surrounded by a protein coat (capsid).
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Physiology
The vagus nerve, also known as the tenth cranial nerve, provides the parasympathetic innervation to various organs, including the lacrimal gland for tear production and pupillary constriction via the ciliary ganglia.
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Oral Medicine
Pulsus paradoxus is an exaggerated decrease in systolic blood pressure during inspiration, which can occur in patients with airflow obstruction conditions such as emphysema and asthma. These conditions can lead to increased intrathoracic pressure swings during respiration, which affects the cardiac output and arterial pulse amplitude.
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EndodonticsZinc oxide eugenol (ZOE) is the preferred filling material for primary root canals due to its excellent biocompatibility, antimicrobial properties, and ability to resorb along with the primary tooth roots. Unlike gutta-percha used in permanent teeth, ZOE provides appropriate sealing while allowing physiological root resorption.