AGENTS, CONTROLLING THE FUNCTIONS OF THE CENTRAL NERVOUS SYSTEM - Antidepressant agents Flashcards

1
Q

The principal mechanism of action of antidepressant agents is

A

Blocking epinephrine or serotonin reuptake pumps

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2
Q

Which agents is related to tricyclic antidepressants?

A

Amitriptyline

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3
Q

Indicate the second-generation heterocyclic drug

A

Maprotiline

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4
Q

Which agents is related to the third-generation heterocyclic antidepressants?

A

Nefazodone

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5
Q

Which antidepressants is a selective serotonin reuptake inhibitor?

A

Fluoxetine

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6
Q

Which antidepressant agents is a selective inhibitor of norepinephrine reuptake?

A

Maprotiline

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7
Q

Indicate the antidepressant, which blocks the reuptake pumps for serotonin and norepinephrine

A

Amitriptyline

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8
Q

Which antidepressants is an unselective MAO blocker and produces extremely long-lasting inhibition of the enzyme?

A

Tranylcypramine

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9
Q

Indicate the irreversible MAO inhibitor, which is a hydrazide derivative

A

Phenelzine

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10
Q

Which MAO inhibitors has amphetamine-like activity and is related to nonhydrazide derivatives

A

Tranylcypramine

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11
Q

Which antidepressants is a selective short-acting MAO-A inhibitor?

A

Moclobemide

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12
Q

Monoamine Oxydase A

A

Is responsible for norepinephrine, serotonin, and tyramine metabolism

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13
Q

Which synapses are involved in depression?

A

Serotoninergic synapses

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14
Q

Block of which type of Monoamine Oxydase might be more selective for depression?

A

MAO-A

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15
Q

The principal mechanism of MAO inhibitor action is

A

Blocking a major degradative pathway for the amine neurotransmitters, which permits more amines to accumulate in presynaptic stores

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16
Q

The irreversible MAO inhibitors have a very high risk of developing

A

Hypertensive reactions to tyramine ingested in food

17
Q

The most dangerous pharmacodynamic interaction is between MAO inhibitors and

A
  • Selective serotonin reuptake inhibitors
  • Tricyclics
  • Sympathomimetics
18
Q

Serotonin syndrome is a result of

A
  • Increased stores of monoamine

- Significant accumulation of amine neurotransmitters in the synapses

19
Q

The therapeutic response to antidepressant drugs is usually over a period of

A

2-3 weeks

20
Q

Which antidepressants may have latency period as short as 48 hours?

A

Tranylcypromine

21
Q

Which features do MAO inhibitors and tricyclic antidepressants have in common?

A

Increase levels of biogenic amines

22
Q

Tricyclic antidepressants are

A

Mixed norepinephrine and serotonin reuptake inhibitors

23
Q

Which autonomic nervous system effects is common for tricyclic antidepressants?

A
  • Antimuscarinic action
  • Antihistaminic action
  • Alfa adrenoreceptor-blocking action
24
Q

Indicate an effective antidepressant with minimal autonomic toxicity

A

Fluoxetine

25
Q

Fluoxetine has fewer adverse effects because of

A

Minimal binding to cholinergic, histaminic, and alfa-adrenergic receptors

26
Q

Which tricyclic and heterocyclic antidepressants has the greatest sedation?

A
  • Doxepin
  • Amitriptyline
  • Trazodone
27
Q

Which tricyclic and heterocyclic agents has the least sedation?

A

Protriptyline

28
Q

Indicate a tricyclic or a heterocyclic antidepressant having greatest antimuscarinic effects

A

Amitriptyline

29
Q

Indicate a tricyclic or a heterocyclic antidepressant having least antimuscarinic effects

A
  • Trazodone
  • Buprorion
  • Mirtazapine
30
Q

Which antidepressants has significant alfa2-adrenoreceptor antagonism?

A

Mirtazapine

31
Q

Indicate the main claim for an ideal antidepressant agent

A
  • A faster onset of action
  • Fewer adverse sedative and autonomic effects
  • Fewer toxicity when overdoses are taken
32
Q

Sedation, peripheral atropine-like toxicity (e.g. Cycloplegia, tachycardia, urinary retention, and constipation), orthostatic hypotension, arrhythmias, weight gain and sexual disturbances are possible adverse effects of

A

Amitriptyline

33
Q

Which drugs is least likely to be prescribed to patients with prostatic hypertrophy, glaucoma, coronary and cerebrovascular disease?

A

Amitriptyline

34
Q

Indicate the antidepressant agent, which is a phenyltolylpropylamine derivative

A

Fluoxetine

35
Q

The mechanism of fluoxetine action includes

A
  • Selective inhibition of serotonine uptake in the CNS
  • Little effect on central norepinephrine or dopamine function
  • Minimal binding to cholinergic, histaminic, and alfa-adrenergic receptors
36
Q

Which antidepressants is used for treatment of eating disorders, especially buliemia?

A

Fluoxetine

37
Q

True or False. Sertaline and paroxetine are similar to fluoxetine in the mechanism of action and therapeutic use, sertaline is less likely to interact adversely with other drugs.

A

TRUE

38
Q

A highly selective serotonine reuptake inhibitor is

A
  • Sertaline
  • Paroxetine
  • Fluoxetine