The nurse must verify the dosage of IV heparin that a client is ...

[aabwk4]

The nurse must verify the dosage of IV heparin that a client is receiving. The IV contains heparin 25,000 units in 500 mL D5W. It is infusing at 20 mL/hr. The nurse knows that the client is receiving heparin at how many units per hour?
 
  a. 50 units/hr c. 1000 units/hr
  b. 500 units/hr d. 1500 units/hr

Question 2

An IV piggyback containing 120 mg of tobramycin sulfate (Nebcin) in 50 mL of D5W is to be infused over a 30-minute period. The IV administration set is calibrated to deliver 15 gtt/mL. How many drops per minute should be administered?
 
  a. 8 gtt/min c. 40 gtt/min
  b. 25 gtt/min d. 150 gtt/min

[Jody Vaughn]

Answer to Question 1

ANS: C

Feedback
A Incorrect: This does not deliver the prescribed dose.
B Incorrect: This does not deliver the prescribed dose.
C Correct: Divide 25,000 units by 500 mL to achieve how many units/mL = 50 units/mL, then multiply by 20 mL = 1000 units/hr.
D Incorrect: This does not deliver the prescribed dose.

Answer to Question 2

ANS: B

Feedback
A Incorrect: This rate is too slow.
B Correct: Divide 50 mL by 30 minutes = 1.67 mL/min multiplied by 15 = 25 gtt/min.
C Incorrect: This rate is too rapid.
D Incorrect: This rate is too rapid.

[aabwk4]

Thanks for the timely response, appreciate it

[debra928]

Excellent