Exam (elaborations)
Ch 09 Basic Intravenous Calculations
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- Walden University
Ch 09 Basic Intravenous Calculations
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Chapter 09: Basic Intravenous CalculationsMulholland: The Nurse, The Math, The Meds
ESSAY
1. State the names of the following solutions:
a. NS:
b. D5W:
c. LRS:
d. D10W:
e. 0.45 NaCl sol:
ANS:
a. Normal saline
b. 5% Dextrose in water
c. Lactated Ringer’s solution
d. 10% Dextrose in water
e. Half-strength sodium chloride solution or half-strength normal saline solution. Note:
0.45% is one-half of 0.9% (normal saline).
2. Directions: Calculate the IV flow rates with DA equations where requested. For credit, show
work. Label all answers. Label flow rates in milliliters per hour or drops per minutes, as
needed.
Ordered: LRS 2 L IV q24h.
a. Is this an intermittent or continuous order?
What flow rate will the nurse set on an infusion pump?
b. DA equation:
c. Evaluation:
ANS:
a. Continuous
b.
c. Equation is balanced. mL per hour remains.
3. Directions: Calculate the IV flow rates with DA equations where requested. For credit, show
work. Label all answers. Label flow rates in milliliters per hour or drops per minutes, as
needed.
Ordered: NS IV at 100 mL per hr. Available: NS 500 mL. How many hours
(and minutes, if applicable) will the infusion last?
ANS:
This study source was downloaded by 100000834290795 from CourseHero.com on 09-07-2024 19:48:34 GMT -05:00
https://www.coursehero.com/file/19076232/c9/
, 4. Four types of IV administration sets are available: DF10, DF15, DF20, and DF60.
a. Which DF will deliver the largest drops?
b. Which DF will deliver the fewest drops per milliliters?
c. Which DF is used for a microdrip or pediatric IV administration set?
d. Which IV administration set would be used to administer blood?
e. Why?
ANS:
a. DF10
b. DF10
c. DF60
d. DF10
e. Because blood is viscous and would need wider tubing for a larger drop.
5. Directions: Calculate the IV flow rates with DA equations where requested. For credit, show
work. Label all answers. Label flow rates in milliliters per hour or drops per minutes, as
needed.
Ordered: D5W IV at 125 mL per hr. Available: D5W 1000 mL; gravity device
with DF10 administration set.
What flow rate will the nurse set?
a. DA equation:
b. Evaluation:
ANS:
a.
b. Equation is balanced. Only drops per minute remain. Note: When the hourly rate is
known, it can be entered in the equation. The total volume available (1000 mL) will not be
needed in the equation.
6. Directions: Calculate the IV flow rates with DA equations where requested. For credit, show
work. Label all answers. Label flow rates in milliliters per hour or drops per minutes, as
needed.
Ordered: D5LRS IV at 40 mL per hr. Available: D5LRS 500 mL; gravity device
with microdrip administration set.
a. What is the DF for a microdrip administration set?
How many hours (and minutes, if applicable) will the infusion last?
b. DA equation:
What flow rate will the nurse set?
c. Estimated flow rate:
d. DA equation:
e. Evaluation:
ANS:
This study source was downloaded by 100000834290795 from CourseHero.com on 09-07-2024 19:48:34 GMT -05:00
https://www.coursehero.com/file/19076232/c9/
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