4DD/Dental anesthesia/Dr. Tung Leang/
Dental Anesthesia Quiz
Test your knowledge on dental anesthesia with this comprehensive quiz designed for students and professionals in the field of dentistry. Challenge yourself with multiple-choice questions that cover various aspects of local anesthetics, their classifications, mechanisms, and clinical applications.
- 151 questions on dental anesthesia
- Multiple choice format
- Perfect for students and professionals alike
151. Ionizable group is responsible for ?
The potency and the toxicity
The duration of action
The ability of diffuse to the site of action
All of the above
152. Which one of the following local anesthetics is an ester of benzoic acid:?
Lidocaine
Procaine
Ropivacaine
Cocaine
153. Indicate the local anesthetic, which is an ester of paraaminobezoic acid:?
Mepivacaine
Cocaine
Procaine
Lidocaine
154. Which of the following local anesthetics in an acetanilide derivative?
Tetracaine
Lidocaine
Cocaine
Procaine
155. Indicate the local anesthetic, which is a toluidine derivative:?
Lindocaine
Bupivacaine
Prilocaine
Procaine
156. Which of the following local anesthetics is a thiophene derivative?
Procaine
Ultracaine
Lidocaine
Mepivacaine
157. Local anesthetics are?
Weak bases
Weak acids
Salts
PH
158. For therapeutic application local anesthetics are usually made available as salt for the reason of:?
Less toxicity and higher potency
Higher stability and greater lipid solubility
Less local tissue damage and more potency
More stability and greater water solubility
159. Which of the following statements is NOT correct for local anesthetics?
In a tissue they exist either as an uncharged base or as a cation
A charge cationic form penetrates biologic membranes more readily than and uncharged form
Local anesthetics are much less effective in inflamed tissues
Low ph in inflamed tissues decreases the disscociation of nonionized molecules
160. Which one of the following statements about the metabolism of local anesthetics is incorrect?
Metabolism of local anesthetics occurs at the site of administration
Metabolism occurs in the plasma or liver but not at the site of administration
Ester group of anesthetics like Procaine, are metabolized systemically by pseudocholinesterae
Amides such as Lignocaine, are metabolized in the liver by microsomal mixed function oxidases
161. Indicate the anesthetic agent of choice in patient with a liver disease:?
Lidocaine
Bupivacaine
Procaine
Eticaine
162. Which of the following local anesthetics is preferable in patient with pseudocholinesterase difiency?
Procaine
Ropivacaine
Tetracaine
Benzocaine
163. The primary mechanism of action of local anesthetics is:?
Activation of ligand-gated potassium channels
Blockade of voltage-gated sodium channels
Stimulation of voltage-gated N-type calcium channels
Blockade the GABA-gated chloride channels
164. Which of the following local anesthetics is more water-soluble?
Tetracaine
Etidocaine
Procaine
Bupivacaine
165. Indicate the local anesthetic, which is more lipid-soluble:?
Bupivacaine
Lidocaine
Mepivacaine
Procaine
166. The more lipophilic drugs ?
Are more potent
Have longer duration of action
Bind more extensively to protein
All of the above
167. Which of the following fibers is the first to be blocked?
Type A alpha fibers
B and C fibers
Type A beta fibers
Type A gamma fibers
168. Indicate the function, which the last to be blocked:?
Paine, temperature
Muscle spindles
Motor function
Touch, pressure
169. Which of the following fibers participates in high-frequency pain transmission?
Type A delta and C fibers
Type A alpha fibers
Type B fibers
Type A beta fibers
170. Which of the following local anesthetics is an useful antiarrhythmic agent?
Cocaine
Lidocaine
Bupivacaine
Ropivacaine
171. Which of the following local anesthetcs is a short-acting drug?
Procaine
Tetracaine
Bupivacaine
Ropivacaine
172. Indicate the local anesthetic, which is a long-acting agent:?
Lidocaine
Bupivacaine
Procaine
Mepivacaine
173. The anesthetic effect of the agent of short and intermediate duration of action cannot be prolong by adding:?
Epinephrine
Norepinephrine
Dopamine
Phenylephrine
174. A vasoconstrictor does not :?
Retard the removal of drug from the injection site
Hence the chance of toxicity
Decrease the blood level
Reduce a local anesthetic uptake by the nerve
175. Vasoconstrictors are less effective in prolonging anesthetic properties of :?
Procaine
Bupivacaine
Lidocaine
Mepivacaine
176. Which of the following local anesthetics is only used for surface or topical anesthesia ?
Cocaine
Tetracaine
Procaine
Bupivacaine
177. Indicate the local anesthetic, which is mainly used for regional nerve block anesthesia?
Dibucaine
Bupivacaine
Tetracaine
Cocaine
178. Which of the following local anesthetics is used for infiltrative and regional anesthesia related to amide type?
Procaine
Lidocaine
Cocaine
Tetracaine
179. Which of the following local anesthetics is called a universal anesthetic?
Procaine
Ropivacaine
Lidocaine
Bupivacaine
180. Most serious toxic reaction to local anesthetics is:?
Seizures
Cardiovascular collapse
Respiratory failure
All of the above
181. Correct statements concerning cocaine include all of the following EXCEPT:?
Cocaine is often used for nose and throat procedures
Limited use because of abuse potential
Myocardial depression and peripheral vasodilation
Causes sympathetically mediated tachycardia and vasoconstriction
182. Which of the following local anesthetics is more cardiotoxic?
Procaine
Bupivacaine
Lidocaine
Mepivacaine
183. Most local anesthetics can cause:?
Depression of abnormal cardiac pacemaker activity, excitability, conduction
Depression of the strength of cardiac contraction
Cardiovascular collapse
All of the above
184. Which one of the following local anesthetics causes methemoglobinemia?
Prilocaine
Procaine
Lidocaine
Ropivacaine
185. Prilocaine has all of the following properties EXCEPT:?
It has ester linkage
Its metabolic product can inhibit the action of sulfonamides
It readily penetrates the skin and mucosa
It is relatively short-acting
186. Correct statements concerning lidocaine include all of the following EXCEPT:?
It is an universal anesthetic
It has esteratic linkage
It widely used as an antiarrhythmic agent
It is metabolized in liver
187. Which of the following local anesthetics is more likely to cause allergic reaction?
Lidocaine
Bupivacaine
Procaine
Ropivacaine
188. Correct statements concerning bupivacaine include all of the following EXCEPT?
It has low cardiotoxicity
It has amide linkage
It is a long-acting drug
An intravenous injection can lead to seizures.
189. The duration of action of local anesthetics agents are divided in short, intermediate and long. Which one of the following is classified as the short one?
Articaine HCL 4%
Prilocaine HCL 4%
Lidocaine HCL 2%
Bupivacaine HCL 0.5%
190. Which one of the following agents is classified as the intermediate one?
Prilocaine HCL 4%
Articaine HCL 4%
Mepivacaine 3%
Bupivacaine HCL 0.5%
191. Which one of the following agents is classified as the long one?
Bupivacaine HCL 0.5%
Lidocaine HCL 2%
Articaine HCL 4%
Prilocaine 4%
192. Which one of the following maximum dosage recommendations is selected for the patient weigh 70kg, related to Lidocaine 2% with epinephrine 1:50,000?
490 mg/kg
420 mg/kg
500 mg/kg
350 mg/kg
193. Related to the maximum dose recommended when used Lidocaine 2% with Epinephrine 1:50,000. Which one of the following is selected for ASA?
ASA 1
ASA 2
ASA 3
ASA 4
194. If the two percent of Lidocaine 2% with Epinephrine 1:100,000 are suggested for American Society of Anesthesia. Which one of the following categories of the American Society of Anesthesia was selected?
ASA 1
ASA 2
ASA 3
ASA 4
195. If the Lidocaine 2% with Epinephrine 1:100,00 was used. Which one of the following is selected for the maximum dose recommendation?
7.0 mg/kg
6.6 mg/kg
8.0 mg/kg
2.0 mg/kg
196. If the two percent of Lidocaine 2% with Epinephrine 1:100,000 were used for patient 60kg. Which one of the following was selected for the 60kg patient?
420 mg/kg
350 mg/kg
490 mg/kg
500 mg/kg
197. As with all local anesthetics, the dose varies depending on the area to be anesthetized, the vascularity of tissues, individual tolerance, and the techniques of anesthesia. Which type of the following patient should be decreased the dose for them?
Debilitate or elderly patient
adult patient
young patient
Children patient
198. If Articaine 4% with epinephrine 1:100,000 or 1:200,000 was used with patient 80kg. Which one of the following option was selected?
490 mg/kg
560 mg/kg
350 mg/kg
650 mg/kg
199. Which one of the following of the maximum dose recommended for normal healthy individual patient per kilogram is.?
7.0 mg/kg
6.6 mg/kg
8.0 mg/kg
6 mg/kg
200. In 1980, when the first edition of Stanley F. Malamed, and the Sixth edition of Hand book of local anesthetic were available in dental cartridge form include: Lidocaine, Articaine, Prilocaine, Mepivacaine, and Bupivacaine. Which one of the following was selected for the maximum dose recommendation related to the Articaine 4% with epinephrine 1:100,000 per kilogram of the patient weight?
6.6 mg/kg
8.0 mg/kg
7,0 mg /kg
2.0 mg/kg
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