Final answer:
Orthostatic hypotension is the medical term for a drop in blood pressure that occurs when a person stands up rapidly, leading to symptoms such as dizziness due to reduced oxygen supply to the brain.
Step-by-step explanation:
The correct term for the drop in blood pressure when a person stands up too quickly is orthostatic hypotension. This condition occurs when blood pressure goes below the homeostatic set point upon standing, leading to symptoms like dizziness or faintness due to a temporary decrease in blood flow to the brain. It can be a result of various factors, including inadequate blood volume (hypovolemia) due to dehydration or the effects of certain medications like diuretics or vasodilators. Addressing potential causes such as adjusting medication or increasing fluid and salt intake may help manage orthostatic hypotension.