Practice Test Geeks(EMG) Electromyography Certification Practice Test
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Procedures & Techniques Flashcards

6 cards from real EMG practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Procedures & Techniques flashcards as text

  1. What is the primary purpose of a needle electrode in EMG testing?

    Answer: To record muscle electrical signals

    Needle electrodes are inserted into muscles to record electrical activity and assess neuromuscular function.

  2. Why is patient positioning important during EMG testing?

    Answer: To ensure accurate recordings and patient comfort

    Proper positioning ensures muscle relaxation or activation as needed and minimizes artifacts in EMG recordings.

  3. What does insertional activity refer to in an EMG procedure?

    Answer: Initial electrical response upon needle insertion

    Insertional activity is the brief burst of electrical activity seen when a needle electrode is inserted into a muscle.

  4. Which technique is used to evaluate nerve conduction velocity?

    Answer: Nerve conduction study

    Surface electrodes stimulate and record nerve impulses at two points to calculate the speed of nerve conduction.

  5. What is the typical response of a healthy muscle at rest during EMG?

    Answer: Electrical silence

    A healthy muscle at rest should exhibit electrical silence, indicating no abnormal spontaneous activity.

  6. Which step is critical before inserting the EMG needle electrode?

    Answer: Preparing the skin for cleanliness

    Skin preparation helps reduce impedance and prevents contamination during needle insertion.

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