A pharmacist is looking for a drug which will prevent an enzyme from working by binding to it as an inhibitor. Which of the inhibitors listed as choices will prove most effective, given equality in other considerations such as solubility, toxicity and stability? a. Substance Y, Kd = 23
b. Substance Z, Kd = 0.05
c. Substance X, Kd = 2.7
d. Substance P, Kd = 0.001

Anurse is caring for a client who is receiving a continuous iv infusion of magnesium sulfate for preterm labor. the nurse should discontinue the infusion and prepare to administer calcium gluconate if the client demonstrates which of the following findings? (select all that apply) a. urine output 80 ml in 4 hr b. absence of deep-tendon reflexes c. report of chills d. decreased level of consciousness e. systolic blood pressure 130 mm hg