NEET MDS Shorts
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PeriodonticsA hemiseptum refers to a periodontal defect with only one wall remaining, often seen in sites of periodontal bone loss.
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Physiology
Answer: 1) The venteromedial nucleus of the hypothalamus is considered the satiety center.
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NEETMDSKaposi's sarcoma is a disease characterized by vascular lesions caused by an infection with the human herpesvirus 8 (HHV-8). This virus is also known as the Kaposi sarcoma-associated herpesvirus (KSHV). The virus encodes several proteins involved in cell proliferation and antiapoptotic functions, which contribute to the pathogenesis of the sarcoma.
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Pathology
Chicken pox presents with multiple dermal lesions characteristically with vesicles, pustules which may secondarily ulcerate
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Dental Materials
A condenser that is considered user-friendly typically has a high elastic limit and high springiness, allowing for better control and easier placement of the restorative material.
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EndodonticsThe length of time the tooth was out of the mouth directly affects the prognosis of an avulsed tooth most significantly. Critical time factors: 1) <30 minutes - excellent prognosis if properly managed, 2) 30-60 minutes - fair prognosis with increased risk of complications, 3) >60 minutes - poor prognosis with high likelihood of replacement resorption, 4) >2 hours - very poor prognosis. Extraoral time determines periodontal ligament cell viability, which is crucial for successful reattachment. While other factors matter, extraoral time is the most critical prognostic factor for avulsed teeth.
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State PSC PYQVicryl polyglactin 910 is resorbable; the others are non-absorbable. Silk, polypropylene, and nylon are all types of non-absorbable sutures
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Physiology
Ponto-genital occipital spikes, or PGO waves, are characteristic of REM sleep and are thought to be associated with the onset of dreaming, as they often coincide with rapid eye movement and increased brain activity during this phase.
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PhysiologyThe conversion of 7-dehydrocholesterol to cholecalciferol (vitamin D3) in the skin is initiated by the action of UVB light from sunlight, not by any specific hormone.
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Oral PathologyStaphylococci are known for their ability to cause abscess formation due to their virulence factors.