Pharmacology of Sedative-Hypnotic Drugs in Dental Management
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Questions and Answers

Which of the following is NOT a type of sedative-hypnotic drug?

  • Barbiturates
  • Buspirone
  • Benzodiazepines
  • Anti-depressants (correct)

    • What is the common desired therapeutic response to sedative-hypnotic drugs in dentistry?

  • Sedation or hypnosis (correct)
  • Pain relief
  • Muscle relaxation
  • Anesthesia

    • What is the primary function of hypnotic drugs?

  • To initiate or sustain anesthesia
  • To calm or relieve anxiety
  • To induce sleep and treat insomnia (correct)
  • To treat mild neurosis

    • What is the mechanism of action of Benzodiazepines?

    <p>Acting on GABAA receptors</p> Signup and view all the answers

    Sedative-hypnotic drugs are often used in dentistry for the premedication of:

    <p>Patients with dental anxiety and mild neurosis</p> Signup and view all the answers

    What is the term that describes drugs that serve to calm or relieve anxiety?

    <p>Sedative</p> Signup and view all the answers

    What is a major reason why benzodiazepines are preferred over barbiturates in routine medical practice?

    <p>Benzodiazepines are less dangerous in overdose</p> Signup and view all the answers

    What is the effect of benzodiazepines on GABA?

    <p>It increases the inhibitory effects of GABA</p> Signup and view all the answers

    What is a common problem associated with long-term use of barbiturates?

    <p>Tolerance and drug interactions</p> Signup and view all the answers

    Which of the following is a contraindication for the use of barbiturates?

    <p>Pregnancy, especially during the first trimester</p> Signup and view all the answers

    What is the recommended duration of benzodiazepine treatment for insomnia?

    <p>Up to 2 to 4 weeks</p> Signup and view all the answers

    What is triazolam recommended for due to its short half-life and rapid onset?

    <p>Pre-operative sedative</p> Signup and view all the answers

    What is a use of barbiturates that has not been largely replaced by benzodiazepines?

    <p>General anesthesia</p> Signup and view all the answers

    What is a characteristic of longer-acting benzodiazepines like nitrazepam and diazepam?

    <p>They have residual effects that may persist into the next day</p> Signup and view all the answers

    What is a potential drawback of benzodiazepines?

    <p>All of the above</p> Signup and view all the answers

    What is the use of intravenous diazepam in surgical procedures?

    <p>For the relief of intraoperative anxiety</p> Signup and view all the answers

    What is an advantage of using barbiturates in dentistry?

    <p>They are less expensive and effective</p> Signup and view all the answers

    What is the effect of benzodiazepines on anxiety?

    <p>It decreases anxiety</p> Signup and view all the answers

    What is the primary purpose of using intravenous diazepam in patients undergoing surgical removal of impacted third molars?

    <p>To relieve intraoperative anxiety</p> Signup and view all the answers

    What is a potential adverse reaction associated with long-term use of benzodiazepines such as diazepam?

    <p>All of the above</p> Signup and view all the answers

    What is the effect of alcohol on benzodiazepines like diazepam?

    <p>Alcohol enhances the rate of absorption and CNS depression</p> Signup and view all the answers

    What is the mechanism of action of phenoparbital, a type of barbiturate?

    <p>By binding to a site on the GABAA receptor/chloride channel</p> Signup and view all the answers

    What is a therapeutic use of barbiturates in dentistry?

    <p>Occasionally being helpful in dentistry</p> Signup and view all the answers

    What is a potential adverse reaction associated with the use of barbiturates?

    <p>Significant depression of the CNS</p> Signup and view all the answers

    What is the consequence of combining antianxiety agents with other CNS depressants?

    <p>Increased risk of CNS depression</p> Signup and view all the answers

    Which of the following substances can increase the CNS depressant effects of benzodiazepines?

    <p>Alcohol</p> Signup and view all the answers

    What is the mechanism of action of benzodiazepines?

    <p>Increasing the inhibitory effects of GABA</p> Signup and view all the answers

    What is the therapeutic use of flumazenil in dentistry?

    <p>To reverse benzodiazepine-induced sedation</p> Signup and view all the answers

    Which of the following is NOT a therapeutic use of benzodiazepines in dentistry?

    <p>Antidepressant</p> Signup and view all the answers

    What is the generic name of the benzodiazepine used for the relief of intraoperative anxiety?

    <p>Diazepam</p> Signup and view all the answers

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