FAST REVISION
Oral Pathology
Reversible pulpitis changes to irreversible pulpitis primarily because of
invasion of microorganisms.
Reversible pulpitis is a condition where the pulp is inflamed but can
potentially heal if the causative agent is removed and the
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.
General Microbiology
Amoebic dysentery stool is typically dark red and acidic, while bacillary dysentery stool is bright red and alkaline.