Chapter 17 Dosage calc & Med Admin

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When the patient complains about his IV lines and asks if he can have the medication by mouth, what is the most appropriate response by the nurse?

"Medication by mouth is absorbed more slowly than by any other route."

What screening test is accomplished by performing an intradermal injection?

Tuberculosis

What is 3/4 divided by 1/5?

15/4

A 35-lb child is to receive an IM medication. The average adult dose is 75 mg. Using the Clark rule, what dosage should the nurse administer?

17.5 mg

Which is the same ratio as 2:100?

1:50

What is 1/5 expressed as a percent?

20% change a fraction to a percent by dividing the numerator by the denominator and multiply by 100

The average adult dose of Phenergan is 50 mg. Using the Young rule for a 10-year-old, what is the correct dosage for the child?

23 mg

What is 2.5 x 2?

5

What is the product of 5/6 x 1/2?

5/12 multiply the numerators multiply the denominators

0.5 L is equal to how many mL?

500 mL

What is 6.147 rounded to the nearest tenth?

6.1

A 150-lb man is to receive a medication based on milligrams/kilograms. He is to receive 1 mg/kg. What dosage should the nurse administer?

68 mg divide 150 with 2.2 lb

What is the correct conversion for the improper fraction 77/9 ?

8 5/9

Lanoxin 0.125 mg is to be given. The nurse converts the dose to how many grams?

0.000125 g

6 mg is equal to how many grams?

0.006 g

What is 0.9% expressed as a decimal?

0.009

The health care provider has ordered furosemide 20 mg stat. The ampule is labeled 40 mg/mL. What dose should the nurse administer?

0.5 mL

What is the sum of 3/4 and 7/8?

1 and 5/8

Atropine 0.4 mg is to be given. Ampule is labeled gr 1/150/mL. What dose should the nurse administer?

1 mL

Tylenol gr V is ordered. The available tablet is 0.3 g. What dosage should the nurse administer?

1 tablet

What is 4.5 divided by 3?

1.5

Which of the following fractions is the largest?

1/2 the smaller the denominator, the larger the fraction

The medication order reads "Ibuprofen 600 mg PO tid." The bottle is labeled "Ibuprofen 200 mg/tab." How many tablets should the nurse administer?

3

What is 2.34 + 0.77?

3.11

Which of the following fractions is the smallest?

3/12 the larger the denominator, the smaller the fraction

0.5 g of medication is ordered. The label reads 125 mg/mL. What is the correct dose to be administered?

4 mL

What is the fraction 80/100 when reduced to lowest terms?

4/5

When a patient comes into the emergency department with a narcotic overdose, the nurse anticipates that the patient will be treated with Narcan. What drug classification is Narcan?

Antagonist -block the action of another drug, ie Narcan with Demerol

What landmarks are used for the administration of an intramuscular injection into the gluteal site?

Between the posterior iliac crest and the greater trochanter

What important principle should be taken to prevent medication errors?

Following the six rights of medication administration

The nurse administered a sedative to an older adult who was having difficulty sleeping. Later, the patient was walking the halls and becoming agitated. What is this drug response known as?

Idiosyncratic

What is the main organ that inactivates and metabolizes drugs?

Liver

The nurse who was going off shift had prepared the medications for the nurse who was going to relieve her to save the oncoming nurse time. What would be the correct action of the oncoming nurse?

Never give medications another person has prepared

When giving a subcutaneous injection to a very thin patient, how does the nurse alter the injection technique?

Pinching up the skin and inserting the needle at a 45-degree angle

In some health care facilities, the LPN/LVN is allowed to take telephone orders from a health care provider. What is one precaution the nurse must take when receiving a verbal order?

Repeat the order to the health care provider

The nurse cautions a patient taking an anticoagulant that he should avoid taking aspirin because one drug may increase the action of the other drug. What is the correct term for this effect?

Synergism


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