NEET MDS Shorts
21494
Physiology
Pepsin is the primary enzyme responsible for the breakdown of proteins in the stomach during the gastric phase of digestion. It is secreted as pepsinogen by the chief cells of the gastric mucosa and is activated by hydrochloric acid to become pepsin.
38194
Oral PathologyHemophilia causes prolonged coagulation time due to deficiency of intrinsic pathway clotting factors (Factor VIII in Hemophilia A, Factor IX in Hemophilia B). This results in prolonged activated partial thromboplastin time (aPTT) and whole blood clotting time. Leukemia may cause bleeding due to thrombocytopenia or leukostasis but not primarily prolonged coagulation time. Pernicious anemia and malignant neutropenia do not directly affect coagulation cascade.
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Oral PathologyHyperhydrosis (excessive sweating) is NOT a feature of Horners syndrome. Instead, Horners syndrome causes ANhidrosis (decreased sweating) on the affected side. The classic triad of Horners syndrome includes miosis (constricted pupil), ptosis (drooping eyelid), and anhidrosis, along with vasodilatation causing facial flushing on the affected side.
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INI CET
Penicillamine is used as an antidote for copper poisoning. It works by binding to copper ions and facilitating their removal from the body. It is also used for the treatment of Wilson’s disease.
28270
MedicineDoxapram and nikethamide are both known as analeptic agents, which are central nervous system stimulants. Propylbutamide is a less common or potentially misspelled term, but doxacurium is a non-depolarizing neuromuscular blocking agent, not a stimulant. Therefore, doxacurium is the agent that is not an analeptic.
73331
OrthodonticsThe labial bow in an activator is constructed with 0.8 mm wire, slightly heavier to provide stability and retention.
86993
PeriodonticsFinger-on-finger rest is used for scaling in the maxillary posterior region.
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EndodonticsLateral condensation is considered the best method of gutta-percha condensation and is the gold standard technique. Advantages include: 1) Predictable and controllable technique, 2) Excellent apical seal when properly executed, 3) Suitable for most canal configurations, 4) Allows for incremental placement and evaluation, 5) Easy retrieval if retreatment is needed, 6) Well-researched with proven clinical success. While vertical condensation can provide excellent results in skilled hands, lateral condensation is more universally applicable and has the most extensive research supporting its effectiveness.
37857
Dental MaterialsThe sprue former should be attached to the wax pattern at the area of more bulk
63079
PhysiologyThe primary function of Secretin is to increase bicarbonate secretion in the pancreas, helping to neutralize gastric acid in the duodenum.