⭕️58. Indicate the local anesthetic, which is a long-acting agent:
Anonymous Quiz
7%
a) Lidocaine
89%
b) Bupivacaine
2%
c) Procaine
2%
d) Mepivacaine
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⭕️59. The anesthetic effect of the agents of short and intermediate duration of action can not be prolonged by adding:
Anonymous Quiz
6%
a) Epinephrine
6%
b) Norepinephrine
85%
c) Dopamine
3%
d) Phenylephrine
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⭕️60. A vasoconstrictor does not:
Anonymous Quiz
7%
a) Retard the removal of drug from the injection site
6%
b) Hence the chance of toxicity
9%
c) Decrease the blood level
78%
d) Reduce a local anesthetic uptake by the nerve
⭕️61. Vasoconstrictors are less effective in prolonging anesthetic properties of:
Anonymous Quiz
16%
a) Procaine
61%
b) Bupivacaine
13%
c) Lidocaine
10%
d) Mepivacaine
⭕️62. Which of the following local anesthetics is only used for surface or topical anesthesia?
Anonymous Quiz
83%
a) Cocaine
11%
b) Tetracaine
3%
c) Procaine
2%
d) Bupivacaine
⭕️63. Indicate the local anesthetic, which is mainly used for regional nerve block anesthesia:
Anonymous Quiz
9%
a) Dibucaine
62%
b) Bupivacaine
20%
c) Tetracaine
8%
d) Cocaine
⭕️64. Which of the following local anesthetics is used for infiltrative and regional anesthesia?
Anonymous Quiz
3%
a) Procaine
4%
b) Lidocaine
2%
c) Mepivacaine
90%
d) All of the above
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⭕️65. Indicate the local anesthetic, which is used for spinal anesthesia:
Anonymous Quiz
75%
a) Tetracaine
4%
b) Cocaine
8%
c) Dibucaine
13%
d) Bupivacaine
⭕️66. Which of the following local anesthetics is called a universal anesthetic?
Anonymous Quiz
6%
a) Procaine
13%
b) Ropivacaine
74%
c) Lidocaine
8%
d) Bupivacaine
⭕️67.Most serious toxic reaction to local anesthetics is:
Anonymous Quiz
2%
a) Seizures
1%
b) Cardiovascular collapse
0%
c) Respiratory failure
98%
d) All of the above
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⭕️68. Correct statements concerning cocaine include all of the following EXCEPT:
Anonymous Quiz
8%
a) Cocaine is often used for nose and throat procedures
11%
b) Limited use because of abuse potential
73%
c) Myocardial depression and peripheral vasodilatation
8%
d) Causes sympathetically mediated tachycardia and vasoconstriction
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⭕️69. Which of the following local anesthetics is more cardiotoxic?
Anonymous Quiz
6%
a) Procaine
85%
b) Bupivacaine
6%
c) Lidocaine
4%
d) Mepivacaine
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⭕️70. Most local anesthetics can cause:
Anonymous Quiz
1%
a) Depression of abnormal cardiac pacemaker activity, excitability, conduction
0%
b) Depression of the strength of cardiac contraction
2%
c) Cardiovascular collapse
98%
d) All of the above
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⭕️71. Which one of the following local anesthetics causes methemoglobinemia?
Anonymous Quiz
63%
a) Prilocaine
19%
b) Procaine
3%
c) Lidocaine
15%
d) Ropivacaine
⭕️72. Procaine has all of the following properties EXCEPT:
Anonymous Quiz
32%
a) It has ester linkage
11%
b) Its metabolic product can inhibit the action of sulfonamides
55%
c) It readily penetrates the skin and mucosa
2%
d) It is relatively short-acting
⭕️73. Correct statements concerning lidocaine include all of the following EXCEPT:
Anonymous Quiz
5%
a) It is an universal anesthetic
74%
b) It has esteratic linkage
15%
c) It widely used as an antiarrhythmic agent
6%
d) It is metabolized in liver
⭕️74. Which of the following local anesthetics is more likely to cause allergic reactions?
Anonymous Quiz
9%
a) Lidocaine
19%
b) Bupivacaine
66%
c) Procaine
5%
d) Ropivacaine
⭕️75. Tetracaine has all of the following properties EXCEPT:
Anonymous Quiz
11%
a) Slow onset
71%
b) Low potency
8%
c) Long duration
10%
d) High toxicity
⭕️76. Correct statements concerning bupivacaine include all of the following EXCEPT:
Anonymous Quiz
74%
a) It has low cardiotoxicity
8%
b) It has amide linkage
9%
c) It is a long-acting drug
8%
d) An intravenous injection can lead to sei
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