NEET MDS Shorts
19090
Physiology
The primary mechanism of H+ secretion by parietal cells is through the action of the H+-K+ ATPase pump, also known as the proton pump. This enzyme is responsible for actively transporting H+ ions into the gastric lumen while moving K+ ions into the cells, thereby acidifying the gastric content.
68312
PhysiologyVitamin E is an important antioxidant that protects unsaturated fats in cell membranes from oxidation. Without vitamin E, these fats can become oxidized, leading to decreased fluidity and altered function of membranes.
74128
General Medicine
Lupus nephritis is the most common complication of chronic SLE, affecting approximately 50% of patients. It is characterized by inflammation of the kidneys and can lead to kidney failure if not properly managed.
73424
ProsthodonticsTo make an impression of hyperplastic tissue, one should ensure intimate contact of the impression material with the tissue.
33261
NEETMDSPre-carve burnishing of amalgam is performed to remove excess mercury, improve the adaptation (condensation) of the amalgam at the margins, and initiate the carving process. It does not increase the setting time of the amalgam.
26491
Dental Materials
Alloys with more than 0.01% zinc are classified as zinc-containing, and those with less than 0.01% as uno-zinc.
30779
Orthodontics
Terms used to describe the position of teeth. Mesioversion - A tooth in the arch located more mesial than normal
Distoversion - A tooth in the arch located more distal than normal
Labioversion - An incisor or canine outside of arch towards the lips
Buccoversion - A posterior tooth outside the arch toward the cheek
Linguoversion - A tooth inside the arch form toward the tongue
Infraversion - A tooth that has not erupted to the occlusal plane
Supraversion - A tooth the has over-erupted
Torsiversion - A tooth rotated on its axis
Transversion (Transposition) - Teeth that are in the wrong sequential order.
33341
ProsthodonticsPorosity in heat-cured acrylic dentures can occur due to several factors, but the most significant cause in this context is the direct placement of the packed resin in water at high temperatures (100 degrees Celsius). When the packed resin is subjected to such conditions, it can lead to rapid polymerization and the formation of bubbles or voids within the material, resulting in porosity. This is because the heat causes the monomer to vaporize, and if the vapor cannot escape, it leads to trapped air pockets.
57234
Oral SurgeryPericoronitis is an inflammation of the soft tissue surrounding the crown of an incompletely erupted tooth, commonly seen around the third molars (wisdom teeth) but can also occur with other teeth. The condition arises when food particles, bacteria, and plaque accumulate around the partially erupted molar, leading to localized infection. Thus, pericoronitis is most commonly associated with teeth that are not fully erupted
45038
PhysiologyThe main stimulation for production of A.D.H. is Decrease in blood volume - A.D.H. secretion increases during osmotic diuresis