4- oral sedation
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Questions and Answers

What is the defining characteristic of a monitor as opposed to an instrument?

  • It measures the central nervous system
  • It measures physiologic functions
  • It delivers an audible or visual warning when the measured function falls outside predetermined parameters (correct)
  • It is noninvasive

Which of the following is NOT a requirement of the ideal monitoring device according to the text?

  • Highly technical (correct)
  • Reliable
  • Stable
  • Easily integrated with other monitoring equipment

Which physiologic functions are typically measured by monitoring devices according to the text?

  • Immune system, Digestive system, Skeletal system, Endocrine system
  • Central nervous system, Respiratory system, Cardiovascular system, Temperature (correct)
  • Muscular system, Endocrine system, Skeletal system, Digestive system
  • Urinary system, Lymphatic system, Integumentary system, Reproductive system

What is the recommended heart rate range for adults before starting treatment?

<p>Between 60 and 110 beats per minute (B)</p> Signup and view all the answers

In which type of sedation is continuous pulse monitoring mandatory?

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

Which vital signs are recommended to be monitored at regular intervals during parenteral sedation?

<p>Pulse, blood pressure, and oxygen status (B)</p> Signup and view all the answers

What blood pressure level represents an ASA 4 risk according to the text?

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

Which method is mentioned as the second method to determine the status of a patient’s cardiovascular system?

<p>Blood pressure monitoring (C)</p> Signup and view all the answers

At what blood pressure level should medical consultation and management be sought before the start of elective dental or surgical care?

<p>200 mm Hg systolic (C)</p> Signup and view all the answers

Why is intra-arterial blood pressure monitoring not really needed during outpatient sedation?

<p>Outpatient sedation typically involves lower risk procedures (D)</p> Signup and view all the answers

Why are standard lead I (right arm → left arm) or lead II (right arm → left leg) most commonly used during anesthesia for electrocardiography?

<p>They permit excellent detection of dysrhythmias (D)</p> Signup and view all the answers

What increases one’s ability to detect possibly significant changes in the functioning of the myocardium at a time when corrective treatment may usually restore a normal rhythm?

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

When are dysrhythmias more likely to appear, according to the text?

<p>During general anesthesia (C)</p> Signup and view all the answers

What are two common causes of dysrhythmias according to the text?

<p>Hypoxia and endogenous catecholamine release (A)</p> Signup and view all the answers

Why is casual monitoring by observation of the rise and fall of the patient’s chest considered unreliable?

<p>It may not detect respiratory depression or arrest in time (D)</p> Signup and view all the answers

What is the value of the precordial-pretracheal stethoscope as a monitoring device?

<p>It is valuable for monitoring breathing during general anesthesia and sedation (B)</p> Signup and view all the answers

When is tachypnea most likely to occur according to the text?

<p>In the presence of anxiety or pathologic conditions (D)</p> Signup and view all the answers

What does bradypnea indicate according to the text?

<p>It is noted after administration of larger doses of opioid agonist analgesics (A)</p> Signup and view all the answers

What is the main function of a pulse oximeter as mentioned in the text?

<p>Detecting and quantifying hypoxemia (C)</p> Signup and view all the answers

Which wavelengths of light does the pulse oximeter measure as they pass through living tissue?

<p>660 nm and 910 nm (C)</p> Signup and view all the answers

What percentage of patients who received anesthesia demonstrated hypoxia during routine surgical procedures in one study mentioned in the text?

<p>53% (D)</p> Signup and view all the answers

Which type of hemoglobin absorbs the selected wavelengths of light measured by the pulse oximeter?

<p>Both HbO2 and Hb (C)</p> Signup and view all the answers

What principle do noninvasive CO2 monitors use to measure the levels of inspired and end-tidal CO2?

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

When do audible and visual alarms alert the operator when using CO2 monitors?

<p>When apnea occurs (B)</p> Signup and view all the answers

What is the frequency with which the CO2 monitor assesses the patient's breath?

<p>Every breath taken by the patient (C)</p> Signup and view all the answers

What does the bispectral (BIS) index range from, as mentioned in the text?

<p>0 to 100 (C)</p> Signup and view all the answers

What does the Aspect EEG monitor quantitate?

<p>Hypnotic component of anesthesia (A)</p> Signup and view all the answers

What is the main purpose of Bispectral Electroencephalographic Monitoring (BIS Monitoring) as mentioned in the text?

<p>Quantitating anesthetic effects on the brain (B)</p> Signup and view all the answers

Why is it important to determine whether a patient has an elevated temperature before the start of planned treatment?

<p>To assess the impact on the cardiovascular and respiratory systems (B)</p> Signup and view all the answers

Which route is mentioned as the most practical method for routinely monitoring temperature in a dental office?

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

What is the advantage of using digital thermometers for monitoring body temperature?

<p>They provide a rapid assessment of body temperature (B)</p> Signup and view all the answers

What is one of the purposes of preparing a written record for each patient during the administration of sedative or anesthetic drugs?

<p>To serve as a trend plot of vital values (A)</p> Signup and view all the answers

What is a disadvantage of oral sedation mentioned in the text?

<p>Reliance on patient compliance (D)</p> Signup and view all the answers

What is an advantage of oral sedation according to the text?

<p>Decreased severity of adverse reactions (A)</p> Signup and view all the answers

Which factor influences the absorption of drugs from the GI tract by affecting the gastric emptying time?

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

In what form are drugs more rapidly absorbed, according to the text?

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

What is estimated to be delayed by as much as two times in a fearful patient, thereby delaying the onset of action of anti-anxiety drugs?

<p>Gastric emptying time (C)</p> Signup and view all the answers

What is the primary use of the oral route mentioned in the text?

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

What is a common problem with recommended doses mentioned in the text?

<p>They often lead to inadequate anxiety reduction in the dental setting (B)</p> Signup and view all the answers

What is the primary purpose of titration by appointment?

<p>To assess the efficacy of sedation achieved at the first appointment and adjust drug dosage if necessary (D)</p> Signup and view all the answers

Why is titration by appointment important dentistry?

<p>To ensure that the appropriate drug dosage is achieved through gradual adjustments (A)</p> Signup and view all the answers

Which type of sedative-hypnotics is not a benzodiazepine?

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

At what dosage do benzodiazepine sedative-hypnotics produce hypnosis?

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

Which sedative-hypnotic is a chloral derivative?

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

Where are the specific receptors for benzodiazepines isolated?

<p>Within the spinal cord and the brain (B)</p> Signup and view all the answers

At what doses do benzodiazepines depress the limbic system and thalamus, according to the text?

<p>Doses smaller than those depressing the reticular activating system (RAS) and the cerebral cortex (D)</p> Signup and view all the answers

What distinguishes the depressant effects of benzodiazepines from barbiturates?

<p>Benzodiazepines depress the limbic system at smaller doses than those depressing the reticular activating system (RAS) and the cerebral cortex, unlike barbiturates (A)</p> Signup and view all the answers

Which benzodiazepine is most suited for patients requiring minimal to moderate sedation to sleep restfully the evening before their treatment?

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

What is the primary use of oral triazolam in dentistry in North America?

<p>Promotion of restful sleep before treatment (C)</p> Signup and view all the answers

Why is it important to consider the onset and duration of action when choosing a specific benzodiazepine for a patient?

<p>To meet the needs of both the patient and the dentist (D)</p> Signup and view all the answers

What is a contraindication for the use of Valium (Diazepam)?

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

When is the peak time for Valium (Diazepam)?

<p>1 hour (B)</p> Signup and view all the answers

What is the recommended dose of Valium (Diazepam) 1 hour before treatment?

<p>5-10 mg (A)</p> Signup and view all the answers

What is the oral dose of Versed (Midazolam) mentioned in the text?

<p>5 mg/kg (A)</p> Signup and view all the answers

What is the primary advantage of using Versed (Midazolam) over valium?

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

What is the typical peak time for triazolam (Halcion) mentioned in the text?

<p>1 hour (D)</p> Signup and view all the answers

What is the recommended dose range for triazolam (Halcion) as mentioned in the text?

<p>0.125-5 mg (D)</p> Signup and view all the answers

What is the recommended dosage range for Alprazolam (Xanax) according to the text?

<p>0.25-1.0 mg (A)</p> Signup and view all the answers

What is a contraindication for the use of Alprazolam (Xanax) as mentioned in the text?

<p>Acute narrow angle glaucoma (D)</p> Signup and view all the answers

What is the dosage range for Zolpidem (Ambien) as mentioned in the text?

<p>5-10 mg (B)</p> Signup and view all the answers

What is the primary purpose of Flumazenil as mentioned in the text?

<p>To compete with benzodiazepine for receptor site (C)</p> Signup and view all the answers

What is the usual dose of Flumazenil for reversing CNS and respiratory depressant effects?

<p>0.2 mg IV over 15 seconds (D)</p> Signup and view all the answers

What is the total dose of Flumazenil that can be administered to reverse CNS and respiratory depressant effects?

<p>1 mg (D)</p> Signup and view all the answers

What is the peak time for Noctec (chloral hydrate) according to the text?

<p>1/2 hour to 1 hour (D)</p> Signup and view all the answers

What is the duration of action for Noctec (chloral hydrate) as mentioned in the text?

<p>4-8 hours (C)</p> Signup and view all the answers

What is the average dose of Noctec (chloral hydrate) according to the text?

<p>500-2000 mg (B)</p> Signup and view all the answers

What is the duration of action for Benadryl (diphenhydramine) as mentioned in the text?

<p>4-6 hours (D)</p> Signup and view all the answers

What is the concentration of diphenhydramine in the elixir form of Benadryl (diphenhydramine) according to the text?

<p>12.5 mg/5ml/teaspoon (B)</p> Signup and view all the answers

What is the typical peak time for Benadryl (diphenhydramine) according to the text?

<p>1 hour (B)</p> Signup and view all the answers

What effect do opioids produce when administered alone in the absence of pain?

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

What is the recommended dose of triazolam (Halcion) for dental procedures of moderate length?

<p>0.125–0.5 mg (C)</p> Signup and view all the answers

Why is it prudent to start with a shorter appointment and less invasive treatment when using a sedative agent for dental procedures?

<p>To gauge the appropriateness of the chosen sedative agent (D)</p> Signup and view all the answers

For longer dental appointments (2–4 hours), which benzodiazepine is recommended based on its longer acting nature?

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

What has been shown to be effective for short dental procedures (1 hour) based on the text?

<p>Zaleplon 10–20 mg given 1 hour prior (D)</p> Signup and view all the answers

What is the recommended time for evaluating the efficacy of the sedation after administering the sedative drug?

<p>45 minutes (D)</p> Signup and view all the answers

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