NEET MDS Shorts
36216
Oral medicineMalherbe's epithelioma, also known as calcifying epithelioma, is typically a benign tumor that is more common in children and young adults rather than adults. It is characterized by solitary, hard tumors that are often found on the neck, face, and arms. The other options accurately describe the characteristics of Malherbe's epithelioma.
58687
NEETMDS
Midline diastema is a common condition involving a gap between the two upper
front teeth.
Various orthodontic techniques and appliances can be used to close this space,
which typically involves applying controlled force to move the teeth closer
together.
(a) Lingual bow with inter tooth traction: A lingual bow is an orthodontic
appliance that can be used with traction (force) between teeth to close a
diastema.
(b) Hawley's appliance with finger springs: A Hawley appliance is a type of
removable retainer often used in orthodontics.
It can be modified with finger springs to apply gentle pressure and move teeth,
including closing a diastema.
(c) Bonding tooth and inter tooth elastics: Bonding brackets or buttons to the
teeth and using intermaxillary elastics (rubber bands) is a standard method to
apply force and close gaps.
(d) Use of steel ligature directly on tooth: Applying a steel ligature wire
directly around a tooth to move it would likely cause uncontrolled tilting of
the tooth and potential damage to the tooth and surrounding tissues, rather than
a proper, controlled correction of the diastema.It is not a standard or safe
method for this purpose.
71147
Oral PathologyIn Hemophilia A (Factor VIII deficiency), the prothrombin time (PT) remains normal because PT tests the extrinsic pathway (Factor VII, X, V, II, I) which is unaffected. However, partial thromboplastin time (PTT) is prolonged because it tests the intrinsic pathway where Factor VIII is essential. Bleeding into soft tissues, muscles, and joints is characteristic, and Factor VIII levels are decreased by definition.
29330
Community DentistryLeone Williams, in 1913, stated "A clean tooth never decays," emphasizing the role of oral hygiene in preventing dental caries.
76123
NEETMDSFlux prevents oxidation of molten gold alloy and also helps minimize porosity of gold alloys. Borax powder with equal parts of boric acid powder is a commonly used flux in dental casting.
26969
General Medicine
Shiga-like toxins produced by EHEC bind to ribosomes in target cells, particularly endothelial cells, and inhibit protein synthesis. This leads to cell damage and contributes to the development of hemolytic uremic syndrome.
39075
RadiologyIn the bisecting technique, the film is placed as close as possible to the tooth.
44381
General Medicine
Chronic kidney disease can lead to hyperuricemia due to decreased glomerular filtration rate, resulting in decreased excretion of uric acid by the kidneys.
21390
ProsthodonticsThe clinical picture of hairs in black hairy tongue is caused by hyperkeratinized hyperplastic filiform papillae.
60674
Physiology
The epithelial cells of the villi in the small intestine contain various digestive enzymes and microvilli that increase the surface area for nutrient absorption. These cells are crucial for the final stages of digesting carbohydrates and proteins, as well as for the absorption of nutrients.