NEET MDS Shorts
218770
General MedicineWhile Zollinger Ellison syndrome is primarily associated with gastrinomas, these tumors can be malignant and can metastasize. The most common malignant counterpart is pancreatic adenocarcinoma, which can be found in about 25% of cases.
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General Medicine
The heat-labile toxin (LT) of ETEC is similar to cholera toxin and acts by increasing intracellular cAMP levels in enterocytes, leading to excessive chloride and fluid secretion into the lumen of the gut, resulting in diarrhea.
757998
General MedicineHypercalcaemia is commonly associated with squamous cell lung carcinoma due to parathyroid hormone-related peptide (PTHrP) production, which mimics parathyroid hormone and raises calcium levels.
259703
General MedicineAdrenaline is the drug of choice in anaphylactic shock as it acts rapidly to counteract the effects of histamine by causing vasoconstriction and bronchodilation. It is administered intramuscularly to ensure quick absorption and action.
462060
General MedicineProtein S, in complex with activated protein C, acts as a cofactor for the inhibition of factor Xa, thus playing a role in the regulation of the coagulation cascade and preventing thrombus formation.
499498
General MedicineCongenital rubella syndrome can lead to various complications, including patent ductus arteriosus, sensory nerve deafness, and spontaneous abortion. However, the statement "None of the above" is incorrect as all listed conditions can occur due to the syndrome.
539017
General Medicine
Alcoholic cirrhosis is characterized by the presence of extensive scar tissue (fibrosis) and regenerative nodules within the liver. This results from chronic alcohol-induced damage to hepatocytes and the subsequent wound healing response.
639233
General MedicineTropical pulmonary eosinophilia is often linked to parasitic infections, especially related to filarial infections, where the immune response to the worms leads to eosinophilia.