<prompt> Following was the data obtained from a patient:- Aerial BP 90 mm Hg, cardiac output 5.4 Lmin. How much is the peripheral resistance?1 R2 R4 R6 R  <response>: By Ohms law: Cardiac output Q aerial BP peripheral resistance R. Therefore, R BPCO Unit for peripheral resistance is PRU. 1 PRU 1 mm HgmLsec. That is, 1 PRU is 1 mm Hg when flow at the root of the aoa is 1 mLsec. Thus, the unit for cardiac output will have to be conveed to mLsec. 5.4 Lmin 90 mLsec. Peripheral resistance PRU 90 mm Hg90 mL per sec. 1 R. 