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Medical Tests CEN Exam Questions
Certified Emergency Nurse (Page 9 )

Updated On: 16-Feb-2026
Page 8 of 40
PDF with 195 Questions

You have delegated care of a patient in restraints to a nursing assistant. How often should the nursing assistant assess skin integrity for this patient?

  1. Every 30 minutes
  2. Every 2 hours
  3. Every 3 hours
  4. Every 4 hours

Answer(s): A

Explanation:

The nursing assistant should assess the patient's skin integrity every 30 minutes for as long as the patient is in restraints. In order to delegate this task to the nursing assistant the nurse must insure that the nursing assistant is clear on what care the patient requires.



You are working in the emergency department and find out that a tornado has hit the local area. Numerous casualties are being sent to the emergency department. What action should you take at this time?

  1. Prepare the triage room.
  2. Obtain additional supplies.
  3. Activate the agency disaster plan.
  4. Call in additional staff.

Answer(s): C

Explanation:

The nurse should activate the agency disaster plan. All the other options may be part of the disaster plan, but the first priority of the nurse should be to activate the disaster plan. This will cover all the necessary steps that the will need to take.



You receive an order for 1000 mL of normal saline over 12 hours. The drop factor is 15 drops per 1 mL. You prepare to set the flow rate at how many drops per minute?

  1. 15 drops a minute
  2. 17 drops a minute
  3. 21 drops a minute
  4. 23 drops a minute

Answer(s): C

Explanation:

The drop rate is 21 drops a minute.



You are preparing to give an intravenous dose of 400,000 units of penicillin G benzathine (Bicillin). The 10 mL ampule label reads penicillin G benzathine 300,000 units per mL. You prepare to administer how much of the medication?

  1. 1.3 mL
  2. 1.5 mL
  3. 10 mL
  4. 13 mL

Answer(s): A

Explanation:

The nurse would administer 1.3 mL of penicillin G benzathine.
Desired dose: 400,000 units
Available concentration: 300,000 units (Units) per 1 mL (Volume)



You are preparing to give potassium chloride 30 mEq in 1000 ml of normal saline over 10 hours. The medication label reads 40 mEq per 20 mL. How many milliliters of potassium chloride do you need to administer the correct dose?

  1. 10 mL
  2. 15 mL
  3. 20 mL
  4. 50 mL

Answer(s): B

Explanation:

The nurse would prepare 15 ml of potassium chloride.
Desired dose: 30 mEq
Available concentration: 40 mEq (Units) per 20 mL (Volume)






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