The Nurse Is Calculating a Cardiac Patients Pulse Pressure $122 / 76 \mathrm{~mm}$

The nurse is calculating a cardiac patients pulse pressure. If the patients blood pressure is $122 / 76 \mathrm{~mm}$ $\mathrm{Hg}$ , what is the patients pulse pressure?

A) $\quad 46 \mathrm{~mm} \mathrm{Hg}$
B) $\quad 99 \mathrm{~mm} \mathrm{Hg}$
C) $\quad 198 \mathrm{~mm} \mathrm{Hg}$
D) $\quad 76 \mathrm{~mm} \mathrm{Hg}$