## Description

## The Nurse, The Math, The Meds: Drug Calculations Using Dimensional Analysis 3rd edition Mulholland Test Bank

**Chapter 5-Oral Medications**

**Mulholland: The Nurse, The Math, The Meds, 3rd Edition**

ESSAY

1. Ordered: carvedilol 12.5 mg PO daily, for a patient with heart failure.

Available:

a. What is the available concentration?

b. What is the trade name for this medication?

How many tablets will the nurse prepare?

c. Estimated dose:

d. DA equation:

e. Evaluation:

ANS:

a. 6.25 mg per tablet

b. Coreg

c. Estimate: 2 tablets (12.5 = 2 6.25)

d. Tablet =

e. Equation is balanced. Estimate supports answer.

2. Ordered: Nitrostat 0.4 mg SL stat, for a patient with chest pain.

Available:

a. What is the apothecary equivalent unit of measurement, as shown on the label, for 0.4 mg?

b. What instructions must the nurse give the patient before administering a tablet by this route?

ANS:

a. gr

b. To hold and dissolve tablet under the tongue. Do not chew.

3. Ordered: dexamethasone 500 mcg PO bid, for a patient with a severe inflammatory condition.

Available:

a. What is the trade name for this medication?

b. What concentration is provided?

How many tablets will the nurse prepare?

c. Estimated dose:

d. DA equation:

e. Evaluation:

ANS:

a. Decadron

b. 0.25 mg per tablet

c. Estimate: 2 tablets (500 mcg = 0.5 mg = 2 0.25 mg)

d. Tablet =

e. Equation is balanced. Estimate supports answer.

4. Ordered: Lanoxin 0.25 mg PO daily, for a patient with heart failure.

Available:

a. What is the generic name of this medication?

How many tablets will the nurse prepare?

b. Estimated dose:

c. DA equation:

d. Evaluation:

ANS:

a. Digoxin

b. Estimate: 2 tablets (0.25 mg = 250 mcg = 2 125 mcg)

c. Tablet =

d. Equation is balanced. Estimate supports answer.

5. Ordered: ranitidine HCl syrup 75 mg PO daily.

Available:

a. What is the trade name of this medication?

b. What is the concentration?

How many milliliters will the nurse prepare?

c. Estimated dose:

d. DA equation:

e. Evaluation:

Shade in the medicine cup to the nearest measurable dose.

ANS:

a. Zantac

b. 15 mg per mL

c. Estimate: 5 times more than 1 mL (75 mg = 15 5)

d. mL =

e. Equation is balanced. Estimate supports answer.

6. Ordered: levothyroxine sodium 100 mcg PO daily, for a patient with hypothyroidism. Available:

a. What is the trade name for this medication?

How many tablets will the nurse prepare?

b. Estimated dose:

c. DA equation:

d. Evaluation:

ANS:

a. Synthroid

b. Estimate: 2 tablets (50 mcg 2 = 100 mcg)

c. Tablet =

d. Equation is balanced. Estimate supports answer.

7. Ordered: nystatin oral suspension 250,000 units PO swish and swallow tid, for a patient with oral candidiasis.

Available:

a. Are units and mg interchangeable?

How many milliliters will the nurse prepare?

b. Estimated dose:

c. DA equation:

d. Evaluation:

Indicate the dose on the syringe with an arrow.

Note: This medication will be measured with an oral syringe and administered orally.

ANS:

a. No

b. Two and one-half times; 1 mL 2.5 mL

c. mL =

d. Equation is balanced. Estimate supports answer.

8. Ordered: dexamethasone 500 mcg PO bid, for a patient with a severe inflammatory condition. Available:

a. What is the trade name for this medication?

How many tablets will the nurse prepare?

b. Estimated dose:

c. DA equation:

d. Evaluation:

ANS:

a. Decadron

b. Estimate: 2 tablets (500 mcg = 0.5 mg = 2 0.25 mg)

c. Tablet =

d. Equation is balanced. Estimate supports answer.

9. Ordered: prochlorperazine syrup 12 mg PO tid pc, for a patient with complaints of nausea. Available:

a. What is the trade name for this medication?

How many milliliters will the nurse prepare?

b. Estimated dose:

c. DA equation:

d. Evaluation:

Shade in the nearest measurable dose on the medicine cup. Indicate with an arrow the additional amount to

be added with the syringe.

ANS:

a. Compazine

b. Estimate: More than 2 Å~ 5 mL (more than 10 mL)

c.

d. Equation is balanced. Estimate supports answer.

10. Ordered: nifedipine extended release tab 0.06 g PO daily.

Available:

How many tablets will the nurse prepare?

a. Estimated dose:

b. DA equation:

c. Evaluation:

ANS:

a. Estimate: 2 tablets (0.06 g = 60 mg = 2 30 mg)

b. Tablet =

c. Equation is balanced. Estimate supports answer.

11. Ordered: raloxifene HCl 0.06 g PO daily, for a patient with osteoporosis.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: same; 1000 mg = 1 g

b. DA verification: # of tabs:

c. Evaluation: Equation is balanced, estimate supports answer.

12. Ordered: OxyFast 25 mg po q 12 hr prn, for pain.

Available:

a. Estimate: more or less than drug concentration?

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: more

b. DA verification:

c. Evaluation: EEquation is balanced, estimate supports answer.

13. Ordered: triazolam 0.25 mg po HS stat, for an agitated patient.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: more; 2 tab

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.

14. Ordered: Meclomen 0.1 g tid with full glass water, for a patient with arthritis.

Remain upright for an hour after taking.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: more; 2 cap (1000 mg = 1 g)

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.

15. Ordered: Methylphenidate HCl tablets 10,000 mcg with breakfast and lunch, for a patient with narcolepsy.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: more; 2 tab (1000 mcg = 1 mg), 5 mg = 5000 mcg x 2 = 10,000 mcg

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.

16. Ordered: levothyroxine tablets 250 mcg po daily in AM 30 minutes a.c. on empty stomach, for a patient

with hypothyroidism.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: more; 2.5 tab (1000 mcg = 1 mg)

b. DA verification:

c. Evaluation: Equation is balanced. Estimate supports answer, levothroid tablets are scored and can be cut.

17. Ordered: Vitamin B 2.5 mg SL twice a week as a dietary supplement, for a patient with a nutritional

deficiency.

Available: Vit B 2500 mcg sublingual tablets

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: 1 tab (2500 mcg = 2.5 mg)

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.

18. Ordered: Prozac: 30 mg PO daily in AM.

Available:

a. Estimate:

b. DA verification:

12

12

c. Evaluation:

ANS:

a. Estimate: 1 more than drug concentration (7.5 mL per dose)

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.

19. Ordered: Lactulose solution 5000 mg by mouth at bedtime, for a patient with constipation.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: of 15 mL (5000 mg = 5 g) (ANS: 7.5 mL per dose)

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.

20. Ordered: Tagamet (cimetidine) 800 mg PO daily at bedtime, for a patient with gastric reflux and heartburn.

Available:

a. Estimate:

b. DA verification:

c. Evaluation:

ANS:

a. Estimate: more; about 1.5 times more (13.3 mL per dose)

b. DA verification:

c. Evaluation: Equation is balanced, estimate supports answer.