NEET MDS Shorts
75921
General Medicine
The heat-stable toxin (ST) of ETEC increases intracellular cGMP, leading to increased fluid and electrolyte secretion into the gut lumen, contributing to the diarrheal illness.
50890
Oral PathologyCleidocranial dysostosis is characterized by absent or hypoplastic clavicles, which is the pathognomonic feature of this condition. This allows patients to bring their shoulders together. Osteogenesis imperfecta affects bone fragility, fibrous dysplasia causes fibrous tissue replacement of bone, and osteopetrosis causes marble bone disease, but none of these affect the clavicles specifically.
51007
Dental Materials
Higher temperatures generally speed up the chemical reactions involved in the setting of gypsum products, leading to a shorter setting time.
96958
Physiology
Sympathetic activity enhances sodium and water reabsorption in the PCT (proximal convoluted tubule) through increased activity of sodium pumps and sodium-potassium-2-chloride cotransporters, which helps in fluid and electrolyte retention.
63850
General MicrobiologyActinomycin D is an antibiotic that inhibits RNA synthesis. In the case of orthomyxoviruses, it effectively inhibits their multiplication by preventing the transcription of viral RNA, thereby blocking the virus ability to replicate. Actinomycin D inhibits the multiplication of orthomyxoviruses by blocking RNA synthesis, which is crucial for viral replication.
92409
INI CET
Nephritic syndrome is characterized by the triad of hematuria, hypertension, and mild edema. Nephrotic syndrome is characterized by massive proteinuria and severe generalized edema without significant hematuria.
37536
Dental Materials
If the temperature of the water used to mix gypsum products exceeds 50°C, it can slow down the setting reaction due to the reversible nature of the gypsum crystal formation at higher temperatures.
95119
PedodonticsThe Sillness and Loe index considers the thickness of plaque on the tooth.
21969
Dental MaterialsAfter an amalgam restoration has been carved, it is important to lightly burnish the surface because burnishing increases the amalgam’s resistance to corrosion
27486
Oral PathologyEagles syndrome causes deep facial pain during swallowing due to pressure of the pharyngeal wall against an elongated styloid process or ossified stylohyoid ligament. This mechanical irritation occurs specifically during swallowing movements. Trotters syndrome involves nasopharyngeal tumors, glossopharyngeal neuralgia is purely neurologic, and histamine cephalgia is vascular headache.