NEET MDS Shorts
70381
Oral PathologyHyperacusis (increased sensitivity to sound) occurs due to facial nerve damage affecting the stapedius muscle. The stapedius muscle normally dampens excessive sound transmission by stiffening the stapes. When the facial nerve is damaged, paralysis of the stapedius muscle leads to hyperacusis. The malleus and incus are not directly involved in this protective mechanism.
17182
Oral PathologyMacrodontia is associated with pituitary gigantism.
83730
Oral PathologyGamma rays have the maximum penetration among the listed types of radiation.
74041
Oral PathologyPernicious anemia (vitamin B12 deficiency) is associated with neurological symptoms including peripheral neuropathy, subacute combined degeneration of the spinal cord, and demyelination. Premature graying of hair is also a characteristic feature due to B12s role in melanin synthesis. Folic acid deficiency causes megaloblastic anemia but not neurological symptoms. Plummer-Vinson and Paterson-Kelly syndromes are iron deficiency-related conditions without these specific manifestations.
81353
Oral PathologyOsteomalacia is characterized by abnormal osteoid and abnormal mineralization.
85962
Oral PathologyElevated alkaline phosphatase levels are often used as a marker for increased bone turnover, which is prominent in both Paget's disease and fibrous dysplasia.
48676
Oral PathologyMarsicato buccarum is also referred to as a cheek bite or lip bite.
39168
Oral PathologyPagets disease of bone is most likely to be found de novo among geriatric patients as it primarily affects individuals over 50 years of age, with increasing prevalence with advancing age. It is a disease of bone remodeling that becomes clinically apparent in older adults. Central giant cell granuloma typically affects younger individuals, while hyperparathyroidism and osteopetrosis are not age-specific to geriatric patients.
17841
Oral PathologyDiabetes insipidus, exophthalmos, and radiolucent bone defects suggest Hand-Schuller-Christian disease.
62108
Oral Pathology
Recurrent ulcers on the gingiva and palate are most commonly associated with herpes simplex virus (HSV) infections. Herpes simplex can cause painful vesicular lesions that eventually ulcerate, leading to recurrent oral ulcers, particularly in the mucosal areas such as the gingiva and palate.
Aphthous ulcers (option 1) typically occur on non-keratinized mucosa and are not usually found on the gingiva. Koplick spots (option 3) are associated with measles and are not ulcers but rather small, bluish-white spots on the buccal mucosa. Behcet's syndrome (option 4) can cause oral ulcers, but they are often more widespread and associated with systemic symptoms. Therefore, the most probable cause of recurrent ulcers specifically on the gingiva and palate is herpes simplex.