In a normal adult man,the blood pressure is

If repeated checking of blood pressure of an individual shows systolic $140$ $mm$ $Hg$ and diastolic $90$ $mm$ $Hg$ or higher,it indicates hypertension.

Systolic blood pressure is higher than diastolic blood pressure because:

Which of the following values indicates hypertension?

Provide the full forms of the following abbreviations:
$(1)$ $FSF$
$(2)$ $ECG$

Given below are two statements.
Statement $I$ - Graphical recording of electrical variations detected at the surface of body during their propagation through the wall of heart is electrocardiograph.
Statement $II$ - The instrument used for the graphical recording of electrical variations detected at the surface of body during their propagation through wall of heart is electrocardiogram.
In the light of above statements,select the correct option given below: