⭕️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
👏1
⭕️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
👏1
⭕️69. Which of the following local anesthetics is more cardiotoxic?
Anonymous Quiz
6%
a) Procaine
85%
b) Bupivacaine
6%
c) Lidocaine
4%
d) Mepivacaine
👏1
⭕️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
👏1
⭕️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
💘4
✨طريقك نحو الرسوب✨ pinned «✨Mcq lec 5 / pharma.2 , 4th stage✨ *antidepressant drugs*»
⭕️1. The principal mechanism of action of antidepressant agents is:
Anonymous Quiz
3%
a) Stabilization of dopamine and beta-adrenergic receptors
15%
b) Inhibition of storage serotonin and epinephrine in the vesicles of presynaptic nerve endings
81%
c) Blocking epinephrine or serotonin reuptake pumps
1%
d) Stimulation of alfa2-norepinephrine receptors
❤1👏1
⭕️2. Which of the following agents is related to tricyclic antidepressants?
Anonymous Quiz
1%
a) Nefazodon
87%
b) Amitriptyline
11%
c) Fluoxetine
1%
d) Isocarboxazid
⭕️3. Indicate the second-generation heterocyclic drug:
Anonymous Quiz
75%
a) Maprotiline
9%
b) Imipramine
5%
c) Phenelzine
11%
d) Fluoxetine
⭕️4. Which of the following agents is related to the third-generation heterocyclic antidepressants?
Anonymous Quiz
8%
a) Amitriptyline
4%
b) Maprotiline
79%
c) Nefazodone
10%
d) Tranylcypromine
⭕️5. Which of the following antidepressants is a selective serotonin reuptake inhibitor?
Anonymous Quiz
5%
a) Phenelzine
5%
b) Desipramine
20%
c) Maprotiline
70%
d) Fluoxetine
⭕️6. Which of the following antidepressant agents is a selective inhibitor of norepinephrine reuptake?
Anonymous Quiz
3%
a) Fluvoxamine
56%
b) Maprotiline
21%
c) Amitriptyline
19%
d) Tranylcypromine