B. If Verapamil is given to a patient with a hepatic blood flow of 1330 mL/min. Calculate the hepatic clearance of verapamil assuming that the only clearance mechanism for this drug is hepatic and that this drug does not bind to plasma proteins. Consider the ERH calculated for the rat model above to be equivalent to the ERH in humans.
C. A 35 year old patient checks into the hospital with the diagnosis of acute asthma attack. The physician decides to prescribe a new drug anti-asthmatic drug called Wheezenomor. The drug is infused into the patient at a rate of 4.5 mg/min to address the acute asthma attack. The patient appears healthy otherwise and laboratory tests reports a hepatic blood flow of 1330 mL/min and an intrinsic hepatic clearance of 14170 mL/min. The manufacturer of Wheezenomore, describes this drug as not binding to plasma proteins and that it is eliminated completely via hepatic metabolism. Calculate the hepatic clearance and the concentration of this drug at steady state (in mg/L).
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Equation 17.3.2 Steady State Concentration (Cpss)
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