A stock solution of drug Y is available at 10%w/v. You need to dilute this with Syrup, BP in order to supply a patient with a solution containing 5mg/mL of drug Y. Assuming no volume displacement effects, what is your formula for the preparation of 100 mL of the final solution?

24. 7 Fentanyl Citrate Bupivacaine Hydro- chloride 20 μg/mL 0.125 % Sodium Chloride (0.9%) Injection ad 100 mL Calculate the percentage concentration of fentanyl citrate in the prescription. 24. 0.002% w/v fentanyl citrate

Digitalis, a drug used to control atrial fibrillation in patients is to be delivered to have a the drug amount to 20.0 μμg/kg body weight (2.205 pounds = 1.00 kg).  The drug concentration must be carefully controlled and accurately measured or the patient may die from too low of concentration from heart complications or too high concentrations of fatal overdose.  Calculate the mL of digitalis needed to treat a 160.0 pound patient using 0.800 mg/mL digitalis solution.

1000 Tablets 48, Kandivli Ind Estate, Mumbai 400 067, India by: Ipca Laboratories Limited Jacksonville, FL 32257 USA Ranbaxy Pharmaceuticals Inc. Manufactured for Rx only LOT: EXP: 100 mg TABLETS, USP ALLOPURINOL N Each scored tablet contains: Allopurinol, USP........100 mg Store at 20° to 25°C (68° to 77° F) [See USP Controlled Room Temperature]. Dispense in tight, light-resistant container as defined in the USP. USUAL DOSE: One tablet daily. For indications, dosage, precautions, etc., see accompanying package insert. Code: DNH/DRUGS/NH/170 3 633041153910 NDC 63304-539-10 Non varnish area R RANBAXY LBZTL6 0311 Expiration date Prescription warning Total amount in vial, packet, box Usual adult dose Dosage strength Drug form Lot number (control number) National Drug Code (N D C) # Manufacturer Brand name Generic name