Module 10 Quiz – EKG and Cardiovascular Testing

By Nancy Kimmel, MSN, FNP / May 12, 2026

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Question 1 of 15

1. Question

Which electrode is considered the “ground” in a 12-lead EKG and helps to reduce electrical interference?

RA (Right Arm)
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LA (Left Arm)
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LL (Left Leg)
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RL (Right Leg)
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Question 2 of 15

2. Question

A 78-year-old patient with severe osteoarthritis in both knees is scheduled for a cardiac stress test to evaluate chest pain. Which type of stress test should the CCMA anticipate preparing for?

A maximal exercise stress test on a treadmill.
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A submaximal exercise stress test on a stationary bike.
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A pharmacologic stress test with dobutamine.
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A Holter monitor evaluation.
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Question 3 of 15

3. Question

A CCMA is placing limb leads and remembers the mnemonic “Smoke over Fire.” This refers to the placement of which two leads?

RA and LA
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RA and RL
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LA and LL
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RL and LL
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Question 4 of 15

4. Question

Which lead is considered the ground lead in a standard 12-lead EKG?

RA (White)
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LA (Black)
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LL (Red)
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RL (Green)
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Question 5 of 15

5. Question

A CCMA notices a thick, uniform, spiked pattern on an EKG tracing, consistent with 60-Hz interference. Which of the following is the most likely cause?

The patient is shivering from being cold.
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A nearby cell phone is turned on.
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An electrode has become detached from the patient's skin.
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The patient has a neurological condition like Parkinson's disease.
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Question 6 of 15

6. Question

When performing an ECG, the lead that provides a view of the inferior wall of the heart includes:]]>

Leads I, aVL, V5, V6]]>
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Leads II, III, aVF]]>
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Leads V1, V2, V3]]>
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Leads aVR, aVL, aVF]]>
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Question 7 of 15

7. Question

A medical assistant identifies what appears to be ventricular tachycardia on a patient’s EKG. After alerting the provider, what should the MA be prepared to do?

Administer medication as directed.
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Assist with setting up for cardioversion or defibrillation.
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Obtain a STAT blood sample.
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Schedule the patient for a stress test.
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Question 8 of 15

8. Question

A 78-year-old patient is having trouble hearing your instructions. What is the best initial action to take?

Speak in a much louder voice.
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Ask one of their family members to explain.
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Face the patient directly and speak clearly and slowly.
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Write down all instructions immediately.
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Question 9 of 15

9. Question

What is the CCMA’s responsibility after the patient returns the Holter monitor?

Interpret the EKG findings and provide a diagnosis to the patient.
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Download the data from the monitor and clean the equipment.
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Schedule the patient for a follow-up stress test.
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Bill the patient's insurance for the monitoring service.
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Question 10 of 15

10. Question

A patient accuses a CCMA of making a mistake on their appointment time. The CCMA checks the schedule and confirms the appointment was scheduled for a different time. What is the best response?

"You are wrong. Your appointment is at 3 PM."
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"It looks like there was a misunderstanding. Your appointment is scheduled for 3 PM. I apologize for any confusion. Let's see what we can do to get you seen as soon as possible."
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"I didn't make a mistake. You must have written it down wrong."
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"You'll have to come back at 3 PM."
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Question 11 of 15

11. Question

A patient is being fitted for a Holter monitor. Which instruction from the CCMA is most appropriate?

"You can remove the monitor to shower or swim."
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"Press the event button only if you experience severe, crushing chest pain."
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"Keep a diary of your activities, symptoms, and the times they occur."
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"Avoid using your cell phone as it will interfere with the EKG recording."
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Question 12 of 15

12. Question

A CCMA is preparing to draw blood from a patient with very fragile skin and veins. Which of the following is the best choice to prevent skin trauma and hematoma?

A 21-gauge needle and a tight tourniquet.
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A butterfly needle (winged infusion set) and a gentle tourniquet application.
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A lancet for a fingerstick, regardless of the test.
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A rapid, deep insertion of a standard needle.
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Question 13 of 15

13. Question

A patient asks why it’s necessary to rest for 5 minutes in a quiet room before their blood pressure is taken. The CCMA’s best response is:

"It's a clinic policy and we have to follow it."
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"It allows your blood pressure to stabilize to its normal resting level, ensuring we get an accurate reading."
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"It gives me time to get the equipment ready."
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"It doesn't really matter, but it's a good habit."
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Question 14 of 15

14. Question

A patient sends a message to the patient portal asking, “My lab results say I’m ‘hyperglycemic.’ What does that mean?” Which of the following is the most appropriate response?

"It means your glucose is elevated."
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"You should ask the doctor at your next visit."
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"Hyperglycemia means you have high blood sugar. The doctor has reviewed your results and will provide you with the next steps."
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"It's a complex medical term. You can look it up online."
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Question 15 of 15

15. Question

Which of the following situations represents a potential barrier to a successful transition of care?

The patient, their family, and the healthcare team are all involved in discharge planning.
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The discharging hospital and the receiving home health agency use the same electronic health record (EHR) system.
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The patient is discharged on a Friday afternoon with a new prescription that needs prior authorization.
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The CCMA calls the patient two days after discharge to check on their progress.
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