# PTCB Pharmacy Calculations #4

#### A patient will receive 100 mg/kg of ampicillin per day. What is the total daily dose for a 40-pound patient?

Correct!
Wrong!

The correct answer:

1.8 g

#### A drug's dose is 250 micrograms per kilogram of body weight. What dosage should be given to a 55-pound child?

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Wrong!

The correct answer:

6.25 mg

#### In 25 mL of normal saline, how much sodium chloride is there?

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Wrong!

The correct answer:

225 mg

#### An IV drip rate of 30 drips per minute is set. If there are 15 drops per ml, what is the infusion rate in ml/hr?

Correct!
Wrong!

The correct answer:

120 ml/hr

#### In the morning, the doctor prescribes Humulin Lente U-100 insulin #10ml, 36 units subcutaneous injection. How much is the daily supply?

Correct!
Wrong!

The correct answer:

28 days

#### [Duramorph (morphine sulfate injection, USP) 10mg/10ml] Mrs. Santos needs Duramorph 6mg IV every four hours to relieve her discomfort. How much water would the patient drink on a daily basis?

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Wrong!

The correct answer:

36 ml

#### How many days does metronidazole vaginal gel 70 g, Sig 5 g b.i.d last?

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Wrong!

The correct answer:

7 days

#### Mr. Vasquez requires Ativan 1mg IM stat for severe agitation. [Ativan (lorazepam) Injection 4mg/ml] How much liquid will be administered?

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Wrong!

The correct answer:

0.25 ml

#### [Codeine Phosphate injection, USP 30mg, 1/2 gr per ml] Your doctor prescribes codeine gr ss subcutaneous q4h for pain management after a lumber laminectomy. How many milliliters are you going to use?

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Wrong!

The correct answer:

1 ml

#### [Atropine (sulfate injectable, USP) 0.4 mg/ml] Atropine 0.2 mg IM is prescribed at 0730. How much liquid will be administered?

Correct!
Wrong!

The correct answer:

0.5 ml

#### [Solu-Cortef (hydrocortisone sodium succinate for injection, USP) 250mg (2ml Act-O-vial)] Your scleroderma patient is prescribed Solu-Cortef 0.05g IM every six hours. How many milliliters are you going to use?

Correct!
Wrong!

The correct answer:

0.4 ml

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