Chapter 9 Injectable Preparations with Clinical Applications

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Chapter 9  Injectable Preparations with Clinical Applications

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

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1. Order: heparin 2500 units, subQ, q6h
Drugs available:

a. Which heparin would you use?
b. How many milliliters of heparin would you give per dose?

ANS:
a. Heparin 5000 units
b. = mL or 0.5 mL
OR

Cross multiply: 5000x = 2500
x = mL or 0.5 mL
OR
RP: H : V :: D : x
5000 units : 1 mL :: 2500 : x
5000x = 2500
x = mL or 0.5 mL
OR

2. Order: heparin units 8000, subQ, q6h
Drugs available:

a. Which heparin would you use?
b. How many milliliters of heparin would you give per dose?

ANS:
a.Heparin 10,000 units
b. 0.8 mL of heparin per dose

3. Order: heparin 7500 units, subQ, q6h
Drug available:

a. Which type of syringe would you use?
b. What is the method of injection?
c. How many milliliters of heparin would you give per dose?

ANS:
a. Tuberculin syringe
b. subQ (subcutaneously)
c. 0.75 mL of heparin per dose

4. Order: enoxaparin (Lovenox) 30 mg, subQ, bid, post hip surgery
Drug available:

a. The patient should receive Lovenox how many times per day?
b. How many milliliters should the patient receive per dose?

ANS:
a. 2 times per day
b. 0.3 mL per dose of Lovenox

5. Order: enoxaparin (Lovenox) 1 mg/kg subQ, q12h for treatment of DVT
Patient weight: 167 lb
Drug available:

a. How many kilograms does the patient weigh?
b. How many milligrams should the patient receive per dose?
c. How many milliliters should the patient receive per dose?

ANS:
a. 167 lb ÷ 2.2 = 76 kg
b. 1 mg × 76 kg = 76 mg
c. RP: H : V :: D : x
40 mg : 0.4 mL :: 76 mg : x mL
40x = 30.4
x = 0.76 or 0.8 mL
OR

= 0.76 mL or 0.8 mL

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