Free Practice Quiz Question List

5 Electrolyte Safety Online Quiz Questions

Use this free practice quiz with 20 questions to review 5 Electrolyte Safety, test your knowledge, and prepare for your next test or exam.

20 questions

True or false

1 point

True or false: Potassium chloride concentrate may be administered by IV push if the prescribed dose is small.

A
True
B
False

Written response

1 point

An infusion is ordered to deliver 100 mL over 2 hours. What numerical pump rate should be set, in mL/hour?

True or false

1 point

True or false: If two IV solutions show no visible change when combined, their Y-site compatibility is confirmed.

A
True
B
False

Fill in the blank

1 point

ISMP lists potassium chloride concentrate, magnesium sulfate, potassium phosphates, and as high-alert medications.

Choose one

1 point

A patient receiving 3% sodium chloride is scheduled for a blood transfusion. What is the appropriate plan for their administration sets?

A
Use the same set if the transfusion is running slowly.
B
Use separate administration according to facility policy.
C
Use the same set if the patient has no fluid restrictions.
D
Mix the solutions in the set only after confirming that they look clear.

Written response

1 point

A potassium chloride bag contains 20 mEq in 100 mL. What is its concentration, expressed numerically in mEq/L?

Fill in the blank

1 point

When magnesium excretion is impaired, the risk of magnesium increases.

Choose one

1 point

A 50% magnesium sulfate vial is intended for an IV infusion. Which preparation requirement should the nurse verify?

A
Infuse the 50% solution as supplied if the dose is prescribed.
B
Dilute it only when the patient has impaired renal function.
C
Verify that the prepared IV infusion solution is at a concentration of 20% or less.
D
Use the vial concentration as the maximum approved infusion concentration.

Choose all

1 point

Select all factors that can affect IV medication compatibility.

A
The medications involved
B
The concentrations of the solutions
C
Whether the mixture looks unchanged
D
The diluents used
E
The conditions of administration

Choose one

1 point

A nurse cannot confirm the Y-site compatibility of a second medication ordered with an electrolyte infusion. What is the safest action?

A
Connect the medications and watch for visible changes.
B
Hold the connection until compatibility is confirmed in an approved reference or by a pharmacist.
C
Connect them if the infusion rates are low.
D
Proceed if the medications have been administered separately before.

Choose all

1 point

Before starting a potassium chloride infusion through a proposed peripheral IV, select all appropriate safety checks.

A
Verify the prescribed dose, dilution, route, and rate.
B
Assume that a correctly calculated pump rate makes the concentration safe.
C
Confirm that the concentration and proposed access meet facility policy and product-specific instructions.
D
Pause and clarify if the order or setup is unclear.

Choose one

1 point

A patient is receiving 3% sodium chloride. Which monitoring plan best addresses the risks described for this medication?

A
Monitor only the infusion site's appearance.
B
Check fluid status only if the patient reports thirst.
C
Monitor fluid status and ordered electrolyte results.
D
Avoid electrolyte monitoring because the saline concentration is fixed.

Choose one

1 point

A clinician is considering faster potassium replacement because the situation is urgent. Which principle should guide the nurse?

A
Faster replacement removes the need for controlled delivery.
B
Urgent, faster replacement requires attention to more intensive monitoring described in product labeling.
C
A higher rate makes checking the concentration unnecessary.
D
Monitoring is needed only when the patient reports symptoms.

Open ended

1 point

During a potassium infusion, a patient reports burning at the IV site and develops a new rhythm change. Describe the immediate actions the nurse should take and what must happen before the infusion is restarted.

Choose one

1 point

A nurse receives an order for potassium chloride 10 mEq by IV push now. What is the safest action?

A
Administer the dose by IV push over several minutes.
B
Hold the medication and promptly clarify the order with the prescriber and pharmacist.
C
Dilute the medication using a volume selected by the nurse, then administer it.
D
Give the dose through the IV line only if the patient is on a cardiac monitor.

True or false

1 point

True or false: If the pump rate for a potassium infusion has been calculated correctly, that alone confirms the prescribed concentration is appropriate for a peripheral IV.

A
True
B
False

Written response

1 point

An infusion order specifies $100\ \text{mL}$ over $2$ hours. What pump rate in mL/hour delivers this volume over the ordered time?

Choose one

1 point

An order specifies a potassium chloride dose but does not state the dilution or infusion rate. What should the nurse do before administration?

A
Administer the medication through the peripheral IV at a slow rate chosen by the nurse.
B
Use the concentration from the most recent potassium order for this patient.
C
Pause and clarify the intended preparation, route, and rate with the prescriber or pharmacist.
D
Ask another nurse to select a dilution and rate based on usual practice.

Choose one

1 point

A second IV medication is ordered through the same Y-site as an electrolyte infusion, but compatibility cannot be confirmed. What is the safest action?

A
Connect the medications if the solutions appear clear.
B
Do not connect them until compatibility is confirmed using an approved current reference or by a pharmacist.
C
Flush the shared Y-site with saline, then administer both medications together.
D
Start both medications at a low rate and watch for a change in appearance.

Written response

1 point

A 50% magnesium sulfate vial is supplied for an IV infusion. What is the maximum concentration allowed for the IV infusion solution according to the product labeling?