Ordered: Lanoxin 0.25 mg PO daily, for a patient with heart failure.Available:How many tablets will the nurse prepare?

Order: erythromycin 350 mg, PO, q8h.Available: erythromycin estolate 250 mg/5 mLHow many mL will be given per dose?

Ordered: dexamethasone 500 mcg PO bid, for a patient with a severe inflammatory condition.Available:How many tablets will the nurse prepare?

Order: amoxicillin (Amoxil) 250 mg, PO, q8hAvailable: 250 mg per 5 mL

Order: 1000 mL of lactated Ringer’s (LR) solution to be administered in 6 hoursThe tubing rate is set at 10 gtt/mL. How many drops per minute (gtt/min) will the patient receive?

Order: trihexyphenidyl hydrochloride (Artane) 6 mg, PO, twice dailyAvailable: trihexyphenidyl hydrochloride (Artane) 2 mg tabletsHow many tablet(s) will the patient receive on a daily basis?

The addition of a small amount of acid or base will have very little effect on the pH value of a solution containing equal molar concentrations of   A. HCl and NaOCl B. H2SO4 and Na2SO4 C. NH4Cl and NH3 D. CH3CO2H and NH3

What is the overall order of this reaction?                        2ClO2(aq  +  2OH–(aq)  →  ClO3–(aq)  +  ClO2–(aq)  +  H2O(l)   A. 1 B. 2 C. 3 D. 4

The reducing agent in the following reaction is: Cu2+ (aq)  +  Zn (s)  

A substance undergoes first order decomposition.  After 180.0 minutes, only 3.125% remains.  What is the half life for this substance?   A. 18 minutes B. 36 minutes C. 72 minutes D. 90 minutes