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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Sedative (D)</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 (C)</p> Signup and view all the answers

What is the effect of benzodiazepines on GABA?

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

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

<p>Tolerance and drug interactions (D)</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 (C)</p> Signup and view all the answers

What is the recommended duration of benzodiazepine treatment for insomnia?

<p>Up to 2 to 4 weeks (B)</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 (C)</p> Signup and view all the answers

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

<p>General anesthesia (C)</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 (D)</p> Signup and view all the answers

What is a potential drawback of benzodiazepines?

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

What is the use of intravenous diazepam in surgical procedures?

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

What is an advantage of using barbiturates in dentistry?

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

What is the effect of benzodiazepines on anxiety?

<p>It decreases anxiety (A)</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 (C)</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 (D)</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 (B)</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 (D)</p> Signup and view all the answers

What is a therapeutic use of barbiturates in dentistry?

<p>Occasionally being helpful in dentistry (C)</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 (C)</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 (B)</p> Signup and view all the answers

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

<p>Alcohol (A)</p> Signup and view all the answers

What is the mechanism of action of benzodiazepines?

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

What is the therapeutic use of flumazenil in dentistry?

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

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

<p>Antidepressant (D)</p> Signup and view all the answers

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

<p>Diazepam (B)</p> Signup and view all the answers

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