Question

Please answer the following and show your computation. Thank you.

1. Ruby gave birth to a 4 ½ lb premature baby with
Down’s syndrome. The nurse wants to know the baby’s

weight in kilogram, which is _____?

2. A cardiologist prescribes digoxin (Lanoxin) 125 mcg orally to
Mr. Enriquez every morning. Nurse Pamela noted that the tablets
contain 0.25 mg each. How many tablets should the nurse administer
in each dose?

3. A 6 year-old child with seizure disorder is to receive Dilantin
suspension 250mg PO once a day. The Dilantin suspension is
available at 125mg/5ml. How many teaspoons should the nurse
administer per dose?

4. **Ceftriaxone is a third-generation cephalosporin
antibiotic**. The doctor prescribed Ceftriaxone (Rocephin) 800mg
IV one a day. The medication label reads 1g and reconstitute with
10 ml bacteriostatic water. A nurse will prepare to draw how ml to
administer the dose?

5. **The abbreviation for Morphine sulfate (MSO**_{4}**) can be confused with Magnesium
Sulfate (MgSO**_{4}**).**
Nurse Roselle is assigned at the oncology ward of Catmon Medical
Center. The physician orders for morphine sulfate, gr 1/4 IM stat
to a cancer patient. Nurse Roselle notes that the pharmacy supplied
a medication ampule that contains morphine sulfate, 10mg/ml. Nurse
Roselle should prepare how many ml of the medication to administer
the prescribed dose?

6. 15 minutes after giving Morphine, Nurse Roselle notes that her
patientis unconscious, and has shallow respiration of 8 breaths per
minute. She immediately notified the physician and the physician
orders an I.V. Push of 0.6 mg naloxone (Narcan) for the client. The
vial has a concentration of 0.4 mg/ml. How many milliliters of
naloxone hydrochloride should the client receive per dose?

7. Magnesium sulfate is prescribed for a patient with preeclampsia.
A nurse must administer 5 g of magnesium sulfate deep IM on each
buttocks, and 4 g slow I.V. push to the patient. The label on the
10 ml ampule reads 250 mg/ml. How many ampules will you need
?

8. **The Household system is often used when medications are
administered at home, but it is the least accurate.** Which of
the following set of conversions is correct?

a. 1 cup = 8 ounces; I quart = 4 cups; 1 cup=220 ml; 1000mg, 1
g

b. 1,000 milligram = 1 gram; 22 kilograms = 1 pound; 1 grain= 60
mg

c. 1 liter = 1000 milliliters; 1 tablespoon = 5 milliliters; 1 ml=1
cc; 10 decaliter=1 liter

**d. 1 tsp= 5 ml; 1,000 milligram = 1 gram; 1 tbsp=15 ml; 1000
mcg=1 mg**

Answer #1

1. Weight of child in pound = 41/2 lb

To find the weight in kg, convert pounds to kg.

1 lb = 0.454 kg

41/2 lb = 0. 454 x 41/2 kg = 2.04 kg.

Answer= 2.04 kg

2. Dose ordered = 125 mcg

Dose in hand = 0.25 mg

Convert 0.25 mg to mcg.

1 mg = 1000 mcg

0.25 mg = 0.25 x 1000 mcg = 250 mcg.

Number of tablets to be given = dose ordered/dose in hand

Number of tablets to be given = 125/250 = 1/2 tablet

The nurse should administer 1/2 tablet in each dose.

3. Dose ordered = 250mg

Dose in hand = 125 mg

Volume = 5ml

Now calculate the dose through following equation

Dose = dose ordered/dose in hand x volume

Dose = 250/125 x 5 = 10 ml

Answer= 10 ml

4. Dose ordered = 800 mg

Dose in hand = 1 gm or 1000 mg

Volume = 10 ml

To calculate the dose use the following equation

Dose = dose ordered/dose in hand x volume

Dose = 800/1000 x 10 = 8 ml

Answer = 8 ml

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