Sample Sleep Exam #1 - Polysomnography

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Sample Sleep Exam #1 - Polysomnography - Quiz

There are different types of disorders that a person may be suffering from and one of the ways to diagnose them is by reading the brain waves of a patient, their eyes movement or heart rate using the polysomnography exam. Below is a practice exam Sample Sleep Exam #1 – on polysomnography for the BRPT. Give it a try and see how prepared you are.


Questions and Answers
  • 1. 

    According to accepted sleep scoring standards, if other scoring criteria are met, which of the following activities would be considered an event when each is 0.5 seconds in duration? 1. PLM 2. Arousal 3. Spindle 4. K-Complex

    • A.

      1, 2, and 3 only

    • B.

      1, 2, and 4 only

    • C.

      1, 3, and 4 only

    • D.

      2, 3, and 4 only

    Correct Answer
    C. 1, 3, and 4 only
    Explanation
    In accepted sleep scoring standards, if other scoring criteria are met, PLM (Periodic Limb Movement), Spindle, and K-Complex activities that are 0.5 seconds in duration are considered events. Arousal activity, on the other hand, is not considered an event in this case.

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  • 2. 

    A patient's EKG tracing shows an irregular R-R rhythm without alterations to the P, QRS, and T waves. Which of the following arrhythmias fits this description?

    • A.

      Premature atrial contractions

    • B.

      Third Degree AV block

    • C.

      Sinus arrhythmia

    • D.

      Second Degree AV block

    Correct Answer
    C. Sinus arrhythmia
    Explanation
    Sinus arrhythmia is the correct answer because it is characterized by an irregular R-R rhythm without any alterations to the P, QRS, and T waves. In sinus arrhythmia, the heart rate varies with respiration, leading to irregularity in the R-R intervals. This is a normal finding and commonly seen in young individuals, especially during inspiration. It is important to differentiate sinus arrhythmia from other arrhythmias such as premature atrial contractions, which would show abnormal P waves, or AV blocks, which would show alterations in the conduction of the electrical impulses.

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  • 3. 

    The vertical position of the pens with the polysomnograph amplifiers turned off is referred to as:

    • A.

      Mechanical baseline

    • B.

      Electrical baseline

    • C.

      Time axis

    • D.

      Frequency response curve

    Correct Answer
    C. Time axis
    Explanation
    The vertical position of the pens with the polysomnograph amplifiers turned off is referred to as the time axis. This term describes the position on a graph where time is represented along the vertical axis. The time axis is used to measure and analyze the duration and timing of various events or signals in a given system or experiment.

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  • 4. 

    An MSLT nap starts at epoch 28. The patient never initiates sleep. What epoch should you terminate the nap on?

    • A.

      Epoch 58

    • B.

      Epoch 65

    • C.

      Epoch 48

    • D.

      Epoch 88

    Correct Answer
    C. Epoch 48
    Explanation
    The MSLT (Multiple Sleep Latency Test) is used to measure a person's tendency to fall asleep during the day. In this case, the patient never initiates sleep during the nap. The MSLT nap is typically terminated after 20 minutes if the patient does not fall asleep. Since the nap starts at epoch 28, which is 20 minutes into the test, the nap should be terminated on epoch 48.  

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  • 5. 

    The narcolepsy tetrad includes all the following except

    • A.

      Excessive daytime sleepiness

    • B.

      Nocturnal myoclonus

    • C.

      Cataplexy

    • D.

      Sleep paralysis

    Correct Answer
    B. Nocturnal myoclonus
    Explanation
    The narcolepsy tetrad consists of four main symptoms associated with narcolepsy: excessive daytime sleepiness, cataplexy, sleep paralysis, and hypnagogic hallucinations. Nocturnal myoclonus, on the other hand, is not a symptom commonly associated with narcolepsy. It refers to sudden, involuntary muscle jerks or twitches that occur during sleep. While it is a sleep-related movement disorder, it is not considered part of the narcolepsy tetrad.

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  • Current Version
  • Jan 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 12, 2012
    Quiz Created by
    Pittcc
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