Low blood pressure that occurs on standing up is known as a. chronic venous insufficiency b. raynaud's disease c. leukopenia d. orthostatic hypotension

The right option is d. Orthostatic hypotension

Orthostatic hypotension is a form of low blood pressure that occurs on standing up from sitting or lying down. It is caused as a result of blood loss, dehydration or aneamia. The most common symptom of orthostatic hypotension is lightheadedness or dizziness which usually last less than a few minutes.

idk im sorry.