A $2\mathrm{.}0$ mL syringe has an inner diameter of $4\mathrm{.}0$ mm $,$ a needle inner diameter of $0\mathrm{.}58$ mm $,$ and a plunger pad diameter $($where you place your finger$)$ of $1\mathrm{.}2$ cm $.$ A nurse uses the syringe to inject medicine into a patient's vein and so has to push against the patient's blood pressure which is $140$ over $96\mathrm{.}0.$