Deck 4: Medical Systems of Weights and Measures

Question 1

A patient is prescribed potassium 15 mEq in an oral solution.How many ounces does the nurse administer to the patient from a solution of potassium with a strength of 20 mEq in 8 ounces?
_____ ounces

Answer 1

6 ounces
Want 15 mEq/Have 20 mEq; 20 mEq in 8 ounces is equal to 2.5 mEq in 1 ounce.15 ÷ 2.5 = 6; 6 * 1 ounce = 6 ounces.

Question 2

Which drug amount is the greatest?

A) 5 g
B) 50 mg
C) 500 mg
D) 5000 mcg

Answer 2

5 g

Question 3

A patient is prescribed 2500 units of heparin.How many milliliters does the nurse draw up from a vial of heparin with a strength of 10,000 units/mL?
_____ mL

Answer 3

0.25 mL
Want 2500 units/Have 10,000 units.Therefore, ; one fourth of 1 mL is 0.25 mL.

Question 4

The prescriber tells a patient to call if a temperature higher than 39 ^$\circ$ Centigrade develops.The patient asks the nurse what this temperature is in Fahrenheit.What is the nurse's response?

A) 99.2 ^$\circ$
B) 100.2 ^$\circ$
C) 101.2 ^$\circ$
D) 102.2 ^$\circ$

Question 5

The nurse is mixing a dry drug in a vial with 1 ounce of the accompanying diluting fluid (diluent).How many milliliters does the nurse add to the dry drug in the vial?

A) 15
B) 30
C) 45
D) 60

Question 6

A mother reports that her child has a temperature of 105.2 ^$\circ$ Fahrenheit.What Centigrade temperature will the nurse report to the child's physician?

A) 36.7 ^$\circ$
B) 38.7 ^$\circ$
C) 40.7 ^$\circ$
D) 42.7 ^$\circ$

Question 7

What technique does the nurse use when measuring a liquid drug in a medicine cup to ensure an accurate dose?

A) Holding the cup at eye level while pouring the drug
B) Holding the cup below eye level while pouring the drug
C) Holding the cup above eye level while pouring the drug
D) Using a syringe to draw up the drug and then placing it in the medicine cup

Question 8

A patient is prescribed 500 mg of amoxicillin (Amoxil).The amoxicillin on hand is .How many milliliters does the nurse administer for this patient?

A) 10
B) 25
C) 50
D) 100

Question 9

What is the weight in kilograms for a patient who weighs 185 lb?

A) 407.1
B) 203.5
C) 92.5
D) 84.1

Question 10

An infant is to receive 6 mg of a liquid drug that is available in the strength of 10 mg/mL.How many drops (gtt)of this drug does the nurse administer to the infant?

A) 3
B) 6
C) 9
D) 12

Question 11

A newborn infant weights 1.982 kg.What is this infant's weight in pounds?

A) 9.2
B) 4.36
C) 2.92
D) 0.9

Question 12

Why does the nurse teach a patient to use a small medication cup to measure a liquid drug rather than a tableware teaspoon?

A) A child may learn to think that all tableware teaspoons contain drugs.
B) Teaspoons are more likely to spill and waste drug than a medication cup.
C) Medication cups measure liquids more accurately than tableware teaspoons.
D) Medication cups are less likely to change the taste of the drug than tableware teaspoons.