Module 9 Quiz – Point of Care Testing and Laboratory

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

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Question 1 of 15

1. Question

A CCMA is having difficulty drawing blood from a patient who is dehydrated. Which of the following would be an appropriate troubleshooting step?

Use a larger gauge needle to increase flow.
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Ask the patient to pump their fist vigorously.
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Try using a smaller volume tube or a syringe.
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Leave the tourniquet on for longer than one minute to build pressure.
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Question 2 of 15

2. Question

A patient with newly diagnosed diabetes is having trouble remembering to take their metformin. Which of the following would be the most effective initial strategy for the CCMA to suggest?

Telling the patient to try harder to remember.
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Suggesting they link the medication dose to a daily activity, like breakfast.
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Asking the provider to prescribe a different medication.
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Documenting the non-compliance in the patient's chart.
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Question 3 of 15

3. Question

A facility uses CLIA-waived tests. Which of the following is a primary requirement for maintaining compliance?

The medical director must personally perform all tests.
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Following manufacturer's instructions and performing routine quality control.
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Submitting all specimens to an external laboratory for confirmation.
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Renewing the CLIA certificate of waiver every 10 years.
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Question 4 of 15

4. Question

The P wave on an EKG represents the electrical activity of which part of the cardiac cycle?

Ventricular depolarization
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Ventricular repolarization
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Atrial depolarization
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Atrial repolarization
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Question 5 of 15

5. Question

A patient asks why their doctor ordered an HbA1c test instead of just a regular blood glucose test. What is the best response for a CCMA to provide?

"It's a more accurate test for your current blood sugar."
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"It gives a better picture of your blood sugar control over a longer period."
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"It's the only test used to diagnose diabetes."
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"Your insurance prefers this test."
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Question 6 of 15

6. Question

A urinalysis report shows a negative nitrite result but a positive leukocyte esterase and the presence of numerous white blood cells on microscopic examination. How should this be interpreted?

The test is invalid and must be repeated.
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The patient does not have a urinary tract infection.
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A UTI is still possible, as not all bacteria convert nitrate to nitrite.
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The sample was contaminated.
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Question 7 of 15

7. Question

A medical assistant is tasked with creating a chemical inventory list for the office. Which OSHA standard is this task most directly related to?

General Duty Clause
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Bloodborne Pathogens Standard
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Hazard Communication Standard
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Personal Protective Equipment Standard
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Question 8 of 15

8. Question

A medical assistant performs a rapid strep test on a patient. The test result window shows a clear line at the control “C” mark but no line at the test “T” mark. How should the MA interpret and document this result?

Positive for Strep A
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Negative for Strep A
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Invalid test, requires repeat testing
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Inconclusive, send for culture confirmation
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Question 9 of 15

9. Question

An EKG tracing shows no identifiable P waves, a rapid heart rate, and an irregularly irregular rhythm with narrow QRS complexes. While this is an arrhythmia, the absence of which specific wave points to a loss of normal atrial depolarization?

R wave
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T wave
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U wave
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P wave
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Question 10 of 15

10. Question

A 6-year-old child is brought to the clinic with a fever, sore throat, and swollen lymph nodes. The provider suspects a viral infection. Which component of the WBC differential would likely be elevated?

Neutrophils
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Eosinophils
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Basophils
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Lymphocytes
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Question 11 of 15

11. Question

A patient’s point-of-care glucose reading is critically high. The quality control for the device was successfully run at the beginning of the day. What is the most appropriate next step for the medical assistant?

Immediately administer insulin based on the reading.
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Repeat the test on a different, calibrated device or send a sample to the main lab for confirmation.
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Assume the reading is correct and document it in the patient's chart.
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Tell the patient to fast for four hours and then repeat the test.
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Question 12 of 15

12. Question

An exposure control plan in a medical facility is designed to:

Eliminate or minimize employee exposure to bloodborne pathogens.
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Document the facility's profits and losses.
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Schedule patient appointments.
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Track inventory of medical supplies.
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Question 13 of 15

13. Question

Which of the following factors can cause variations in laboratory reference ranges?

The patient's mood
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The time of day the test is performed
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The laboratory equipment and testing method used
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The brand of gloves the CCMA is wearing
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Question 14 of 15

14. Question

Why is it important to document the notification of a provider about a critical value?

To ensure the CCMA gets credit for the work
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For legal and patient safety reasons, creating a record of the communication
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To track how many critical values occur each month
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So the patient can see who was notified
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Question 15 of 15

15. Question

A lab result is reported as “0.5 mg”. Why is this the correct notation instead of “.5 mg”?

The leading zero is required by all laboratories.
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The leading zero prevents the decimal point from being missed, which could cause a tenfold dosing error.
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The leading zero indicates that the result is preliminary.
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The leading zero is only used for medication dosages, not lab results.
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