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NR547 final Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions £10.43   Add to cart

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NR547 final Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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NR547 final Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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NR547 final Exam | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions


Medications for depression - SSRIs

SNRIs

SDRIs

TCAs

MAOIs



SSRIs - -Action: inhibit 5-HT reuptake

-Examples: citalopram, escitalopram, fluoxetine, paroxetine, sertraline

-Adverse effects:

• nausea

• agitation

• diarrhea

• headache

• weight gain

• sexual side effects



SNRIs - -inhibit 5-HT reuptake

-inhibit NE reuptake (↑ energy, focus)

-increase DA in prefrontal cortex (↑ cognition)

-Examples: desvenlafaxine, duloxetine, levomilnacipran, venlafaxine

-Adverse effects:

• elevated blood pressure

• nausea

• sweating

• tremors

• anxiety

,• insomnia

• constipation

• anorexia

• sexual dysfunction



SDRIs - -inhibit DA reuptake (↑alertness, motivation)

-inhibit NE reuptake (↑energy)

-Adverse effects:

• agitation

• headache

• dry mouth

• constipation

• weight loss



TCAs - -Action: inhibits the reuptake of serotonin and norepinephrine; blocks norepinephrine, histamine,
and acetylcholine receptors

-Examples: amitriptyline, clomipramine, desipramine, doxepin

-Common Side Effects:

• dry mouth

• constipation

• blurred vision

• urinary retention

• sedation

• weight gain

• hypotension

• tachycardia

• sexual dysfunction



MAOIs - -Action: increases norepinephrine and serotonin by inhibiting the enzyme that inactivates it

,-Examples: isocarboxazid, phenelzine, tranylcypromine

-Common Side Effects:

• sedation

• dizziness

• sexual dysfunction

• hypertensive crisis



Prescribing pearls: citalopram (Celexa) - mild antihistamine effects



Prescribing pearls: escitalopram (Lexapro) - no known drug interactions



Prescribing pearls: fluoxetine (Prozac) - longest half-life



Prescribing pearls: paroxetine (Paxil) - also treats social anxiety and insomnia



Prescribing pearls: fluvoxamine (Luvox) - treats anxious depression smokers require increased dose



Prescribing pearls: sertraline (Zoloft) - also treats social anxiety and hypersomnolence



Prescribing pearls: bupropion (Wellbutrin) - NDRI may improve energy, alertness, and motivation; not
first line treatment for anxiety; contraindicated in clients with a history of seizures



Prescribing pearls: duloxetine (Cymbalta) - effective for atypical pain at higher doses; appropriate for
clients who present with somatic symptoms of depression; effective for atypical pain, such as
fibromyalgia and diabetic neuropathy



Prescribing pearls: venlafaxine (Effexor) - treats both depression and anxiety disorders, ensure trial of
higher dose before switching to a different medication



Prescribing pearls: desvenlafaxine (Pristiq) - effective for perimenopausal vasomotor symptoms

, considered when selecting a medication: - -Client preference

-Prior treatment response

-Anticipated adverse effects

-Comorbidities

-Half-life and interactions

-Cost



if a medication is not achieving efficacy: - -Increase dose gradually

-Switch to a different drug within the same class

-Switch to drug in a different class

-Add a second medication



Use to protect against suicide - lithium



MDD and BPD genetics - genetic factors contribute 31-42% of the disease risk in MDD and 59-85% in
BPD



monoamine hypothesis of depression - -posits that depression occurs as a result of a deficiency of one
or all three monoamine transmitters

• serotonin, norepinephrine, and dopamine

-while mania may result from an excess



*Emphasis is now shifted from the monoamines to their receptors and other downstream events such
as the regulation of gene expression, growth factors, environmental factors, and epigenetic changes



- Three principal neurotransmitters

-norepinephrine (NE), dopamine (DA), and serotonin 5HT

• comprise the monoamine neurotransmitter system

• implications for the pathophysiology and treatment of mood disorders

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