Review Questions and Answers Chapters 22-23 9-13

Chapter 22: Broken Instrument Tip 1. What is the first step to be performed once you have determined that you have broken your instrument tip? A. Isolate the area B. Ask the patient to swallow C. Sit the patient upright to prevent aspiration D. Rinse the area with chlorhexidine 9-13

Answers… Ch 22 1. What is the first step to be performed once you have determined that you have broken your instrument tip? A. Isolate the area B. Ask the patient to swallow C. Sit the patient upright to prevent aspiration D. Rinse the area with chlorhexidine 9-13

Chapter 22: Broken Instrument Tip 2. All of the following are measures to help prevent broken instrument tips except one. Which one is the exception? A. use the ultrasonic scaler on patients with heavy deposits B. proper instrument maintenance C. instrument retipping D. replacing worn instruments 9-13

Answers… Ch 22 2. All of the following are measures to help prevent broken instrument tips except one. Which one is the exception? A. use the ultrasonic scaler on patients with heavy deposits B. proper instrument maintenance C. instrument retipping D. replacing worn instruments 9-13

Chapter 22: Broken Instrument Tip 3. What is the procedure if the tip is located but cannot be removed? A. refer to oral surgeon for removal B. anesthetize area and attempt to remove tip again C. take a radiograph to better locate tip D. no treatment is necessary 9-13

Answers… Ch 22 3. What is the procedure if the tip is located but cannot be removed? A. refer to oral surgeon for removal B. anesthetize area and attempt to remove tip again C. take a radiograph to better locate tip D. no treatment is necessary 9-13

Chapter 22: Broken Instrument Tip 4. If the tip is not located by visual or radiographic inspection, the clinician should do which of the following? A. assume the tip was expectorated B. treat the situation as an ingested/aspirated foreign object C. rinse the area carefully and continue treatment D. none of the above 9-13

Answers… Ch 22 4. If the tip is not located by visual or radiographic inspection, the clinician should do which of the following? A. assume the tip was expectorated B. treat the situation as an ingested/aspirated foreign object C. rinse the area carefully and continue treatment D. none of the above 9-13

Chapter 23: Drug Overdose and Toxicity 1. Which of the following drugs mimics the natural effects of the sympathetic autonomic nervous system (SANS)? A. benzodiazepines B. cocaine C. opioid drugs D. barbiturates 9-13

Answers… Ch 23 1. Which of the following drugs mimics the natural effects of the sympathetic autonomic nervous system (SANS)? A. benzodiazepines B. cocaine C. opioid drugs D. barbiturates 9-13

Chapter 23: Drug Overdose and Toxicity 2. Which of the following is a sign of cocaine toxicity? A. bradycardia B. slurred speech C. hypertension D. respiratory depression 9-13

Answers… Ch 23 2. Which of the following is a sign of cocaine toxicity? A. bradycardia B. slurred speech C. hypertension D. respiratory depression 9-13

Chapter 23: Drug Overdose and Toxicity 3. The purpose of activated charcoal in the treatment of drug toxicity is to A. act as an absorbing agent B. induce vomiting C. provide an antidote D. achieve internal cooling 9-13

Answers… Ch 23 3. The purpose of activated charcoal in the treatment of drug toxicity is to A. act as an absorbing agent B. induce vomiting C. provide an antidote D. achieve internal cooling 9-13

Chapter 23: Drug Overdose and Toxicity 4. Which of the following oral effects may be evident in the cocaine user? A. dental caries B. gingival inflammation C. cervical abrasion D. all of the above 9-13

Answers… Ch 23 4. Which of the following oral effects may be evident in the cocaine user? A. dental caries B. gingival inflammation C. cervical abrasion D. all of the above 9-13

Chapter 23: Drug Overdose and Toxicity 5. All of the following are strategies for managing opioid toxicity except one. Which one is the exception? A. wrap in blankets to increase body temperature B. administer oxygen 4-6 L/min C. administer naloxone (Narcan) D. administer diazepam (Valium) 9-13

Answers… Ch 23 5. All of the following are strategies for managing opioid toxicity except one. Which one is the exception? A. wrap in blankets to increase body temperature B. administer oxygen 4-6 L/min C. administer naloxone (Narcan) D. administer diazepam (Valium) 9-13

Chapter 23: Drug Overdose and Toxicity 6. Which of the following is a sign of barbiturate toxicity? A. tachycardia B. unresponsiveness to external stimuli C. diaphoresis D. agitation 9-13

Answers… Ch 23 6. Which of the following is a sign of barbiturate toxicity? A. tachycardia B. unresponsiveness to external stimuli C. diaphoresis D. agitation 9-13

Chapter 23: Drug Overdose and Toxicity 7. Benzodiazepines and barbiturates product their effect within biological tissue by A. stimulating opioid receptors B. preventing the reuptake of dopamine C. enhancing the effect of GABA D. stimulating the SANS 9-13

Answers… Ch 23 7. Benzodiazepines and barbiturates product their effect within biological tissue by A. stimulating opioid receptors B. preventing the reuptake of dopamine C. enhancing the effect of GABA D. stimulating the SANS 9-13

Chapter 23: Drug Overdose and Toxicity 8. Which of the following routes of administration produces the highest blood levels of a drug? A. oral ingestion B. intramuscular injection C. smoking D. intravenous injection 9-13

Answers… Ch 23 8. Which of the following routes of administration produces the highest blood levels of a drug? A. oral ingestion B. intramuscular injection C. smoking D. intravenous injection 9-13