Final answer:
The false statement is that a normal blood pressure reading is about 140/90.
Step-by-step explanation:
The false statement in the given options is option e: A normal blood pressure reading is about 140/90. The normal blood pressure reading is generally defined as less than 120/80 mm Hg. A blood pressure reading of 140/90 mm Hg is considered hypertension, which is chronically elevated blood pressure. Therefore, option e is false.