Central Nervous System Depressants

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| By Collette Grafton
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Collette Grafton
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Central Nervous System Quizzes & Trivia

Central Nervous System (CNS) depressants are medicines that slow down brain activity and include sedatives, tranquilizers, and hypnotics. These types of drugs are useful for treating anxiety, acute stress reactions and sleep disorders. See what more you know about Barbituates, Benzodiazepines, and Anesthetics by taking the simple test below. Good luck!


Questions and Answers
  • 1. 

    What is the mildest form of CNS depression, which diminishes physical and mental responses but does not affect consciousness?

    • A.

      Hypnotic effect

    • B.

      Anesthesia

    • C.

      Sedation

    Correct Answer
    C. Sedation
    Explanation
    Sedation is the mildest form of CNS depression that reduces physical and mental responses without affecting consciousness. It is a state of calmness and relaxation induced by certain medications or techniques. Sedation is commonly used in medical procedures to alleviate anxiety, promote comfort, and facilitate the performance of the procedure. Unlike anesthesia, which completely eliminates consciousness, sedation allows the patient to remain awake and aware, but in a relaxed and drowsy state. The hypnotic effect refers to a state of induced sleep or trance, which is more profound than sedation.

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  • 2. 

    The hangover side effect with sedative-hypnotics is caused by which types?

    • A.

      Short acting

    • B.

      Intermediate acting

    • C.

      Long acting

    Correct Answer(s)
    B. Intermediate acting
    C. Long acting
    Explanation
    The hangover side effect with sedative-hypnotics is caused by intermediate acting and long acting types. These medications have a longer duration of action in the body, leading to a slower metabolism and clearance. As a result, individuals may experience residual sedation and cognitive impairment upon waking up, commonly referred to as a "hangover" effect. Short-acting sedative-hypnotics, on the other hand, have a shorter duration of action and are less likely to cause this side effect.

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  • 3. 

    Which of the following is a common side effect of sedative-hypnotics?

    • A.

      REM rebound

    • B.

      Excessive depression

    • C.

      Hypersensitivity

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Common side effects of sedative-hypnotics include hangover, REM rebound, dependence, tolerance, excessive depression, respiratory depression, and hypersensitivity.

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  • 4. 

    The short acting barbituate pentobarbital (nembutal) is used to do what?

    • A.

      Induce sleep for those who have difficulty falling asleep

    • B.

      General anesthetic

    • C.

      Maintain long periods of sleep for those what have difficulty staying asleep

    • D.

      Control seizures

    Correct Answer
    A. Induce sleep for those who have difficulty falling asleep
    Explanation
    Ultrashort acting barbituates are used a general anesthetic. Intermediate acting barbituates are used to sustain long periods of sleep.
    Long acting barbituates are used to control seizures associated with epilepsy.

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  • 5. 

    Your client is taking pentobarbital (nembutal), a barbituate. Which of the following should not be included in your client teaching regarding this drug?

    • A.

      Instruct client to avoid alcohol, antidepressants, antipsychotics, and narcotics

    • B.

      Herbal supplements do not interfere with this drug.

    • C.

      Take 30 minutes before bedtime

    • D.

      All of the above should be included

    Correct Answer
    B. Herbal supplements do not interfere with this drug.
    Explanation
    Certain herbs may interact with Barbituates. Herbal supplements may need to discontinued or prescription dose may need to be modified.

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  • 6. 

    After receiving spinal anesthesia, the client should remain in what position?

    • A.

      Upright

    • B.

      Flat

    • C.

      Position does not matter

    Correct Answer
    B. Flat
    Explanation
    After receiving spinal anesthesia, the client should remain in a flat position. This is because spinal anesthesia can cause a decrease in blood pressure, and lying flat helps to prevent a sudden drop in blood pressure and maintain adequate blood flow to the brain and other organs. It also helps to prevent complications such as spinal headache and nerve damage. Therefore, it is important for the client to remain in a flat position to ensure their safety and well-being.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 21, 2010
    Quiz Created by
    Collette Grafton
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