Drugs Used in Mood Disorders Part 2 PDF
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Emory & Henry College
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Summary
This document details different hypotheses related to depression, including the monoamine and neurotrophic hypotheses. It also discusses the mechanisms of action of antidepressants, such as SSRIs. The information could be useful for students studying mood disorders.
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\#\#\# \*\*Slide 11: Monoamine Hypothesis\*\* 1\. \*\*The monoamine hypothesis of depression suggests that depression is related to a deficiency of which neurotransmitters?\*\* \- A. Serotonin, norepinephrine, and dopamine \- B. Glutamate, GABA, and acetylcholine \- C. Epinephrine, cortisol, and...
\#\#\# \*\*Slide 11: Monoamine Hypothesis\*\* 1\. \*\*The monoamine hypothesis of depression suggests that depression is related to a deficiency of which neurotransmitters?\*\* \- A. Serotonin, norepinephrine, and dopamine \- B. Glutamate, GABA, and acetylcholine \- C. Epinephrine, cortisol, and serotonin \- D. Dopamine, acetylcholine, and GABA \*\*Answer:\*\* A. Serotonin, norepinephrine, and dopamine 2\. \*\*What is one piece of evidence supporting the monoamine hypothesis?\*\* \- A. Depression has been linked to excessive serotonin levels in the brain \- B. Reserpine, which depletes monoamines, has been shown to cause depression in some patients \- C. Elevated dopamine levels are consistently found in patients with depression \- D. The monoamine hypothesis has been disproven by clinical trials \*\*Answer:\*\* B. Reserpine, which depletes monoamines, has been shown to cause depression in some patients 3\. \*\*According to the monoamine hypothesis, what role does glutamate play in depression?\*\* \- A. It is decreased in depressed patients \- B. It is unrelated to depression \- C. It is elevated in the cerebrospinal fluid of depressed patients \- D. It acts as a secondary messenger in serotonin production \*\*Answer:\*\* C. It is elevated in the cerebrospinal fluid of depressed patients \-\-- \#\#\# \*\*Slide 12: Neurotrophic Hypothesis\*\* 1\. \*\*According to the neurotrophic hypothesis, depression is associated with reduced levels of which growth factor?\*\* \- A. Nerve growth factor \- B. Brain-derived neurotrophic factor (BDNF) \- C. Epidermal growth factor \- D. Fibroblast growth factor \*\*Answer:\*\* B. Brain-derived neurotrophic factor (BDNF) 2\. \*\*What is one clinical effect of antidepressants related to the neurotrophic hypothesis?\*\* \- A. They decrease serotonin release \- B. They reduce the levels of BDNF in the brain \- C. They increase BDNF levels in the brain, promoting neurogenesis \- D. They decrease dopamine production in the limbic system \*\*Answer:\*\* C. They increase BDNF levels in the brain, promoting neurogenesis 3\. \*\*What hormonal dysregulation is frequently seen in patients with depression according to the neuroendocrine hypothesis?\*\* \- A. Low cortisol levels \- B. Elevated cortisol levels \- C. Increased estrogen levels \- D. Reduced thyroid hormone secretion \*\*Answer:\*\* B. Elevated cortisol levels \-\-- \#\#\# \*\*Slide 13: Antidepressant Mechanisms\*\* 1\. \*\*Most antidepressants work by increasing the concentration of which neurotransmitter(s) in the synaptic cleft?\*\* \- A. Serotonin and dopamine \- B. Serotonin and norepinephrine \- C. Dopamine and acetylcholine \- D. GABA and glutamate \*\*Answer:\*\* B. Serotonin and norepinephrine 2\. \*\*How do selective serotonin reuptake inhibitors (SSRIs) alleviate symptoms of depression?\*\* \- A. By blocking the reuptake of dopamine \- B. By inhibiting the enzyme that breaks down norepinephrine \- C. By blocking the reuptake of serotonin into the presynaptic neuron \- D. By increasing serotonin degradation \*\*Answer:\*\* C. By blocking the reuptake of serotonin into the presynaptic neuron 3\. \*\*Why do antidepressants typically take several weeks to show clinical efficacy?\*\* \- A. It takes time to increase serotonin and norepinephrine levels \- B. BDNF synthesis requires more than two weeks \- C. Patients must reach steady-state concentrations of the drug \- D. Dopamine levels take time to normalize \*\*Answer:\*\* B. BDNF synthesis requires more than two weeks \-\-- \#\#\# \*\*Slide 14: FDA Warning on Antidepressants\*\* 1\. \*\*What risk is associated with antidepressant use in patients younger than 25 according to the FDA warning?\*\* \- A. Increased risk of weight gain \- B. Increased risk of suicidality (suicidal ideation and behavior) \- C. Reduced efficacy in treating depression \- D. Risk of serotonin syndrome \*\*Answer:\*\* B. Increased risk of suicidality (suicidal ideation and behavior) 2\. \*\*For which trimester of pregnancy is there an association between antidepressant use and low birth weight and premature delivery?\*\* \- A. First trimester \- B. Second trimester \- C. Third trimester \- D. Throughout the entire pregnancy \*\*Answer:\*\* C. Third trimester 3\. \*\*In lactating mothers taking antidepressants, what is the recommended course of action?\*\* \- A. Discontinue breastfeeding \- B. Weigh the risks and benefits before continuing the medication \- C. Switch to a tricyclic antidepressant (TCA) \- D. Take antidepressants only during the second half of the day \*\*Answer:\*\* B. Weigh the risks and benefits before continuing the medication \-\-- \#\#\# \*\*Slide 15: Selective Serotonin Reuptake Inhibitors (SSRIs)\*\* 1\. \*\*Which receptor do SSRIs primarily target?\*\* \- A. Norepinephrine transporter (NET) \- B. Serotonin transporter (SERT) \- C. Dopamine transporter (DAT) \- D. GABA receptor \*\*Answer:\*\* B. Serotonin transporter (SERT) 2\. \*\*What is the primary indication for prescribing SSRIs?\*\* \- A. Major depressive disorder (MDD) \- B. Schizophrenia \- C. Bipolar disorder \- D. Parkinson\'s disease \*\*Answer:\*\* A. Major depressive disorder (MDD) 3\. \*\*Which SSRI is known for having a long half-life and the potential to be \"activating\"?\*\* \- A. Sertraline \- B. Paroxetine \- C. Fluoxetine \- D. Citalopram \*\*Answer:\*\* C. Fluoxetine \-\-- \#\#\# \*\*Slide 16: SSRI Pharmacokinetics\*\* 1\. \*\*Which of the following SSRIs has the longest half-life, allowing once-daily dosing?\*\* \- A. Fluoxetine \- B. Sertraline \- C. Paroxetine \- D. Escitalopram \*\*Answer:\*\* A. Fluoxetine 2\. \*\*SSRIs are primarily metabolized by which enzyme system?\*\* \- A. P-glycoprotein \- B. Cytochrome P450 (CYP) enzymes \- C. Aldehyde dehydrogenase \- D. Monoamine oxidase (MAO) \*\*Answer:\*\* B. Cytochrome P450 (CYP) enzymes 3\. \*\*Why are SSRIs generally dosed once daily?\*\* \- A. They have short half-lives \- B. They have long half-lives that allow for once-daily dosing \- C. They are metabolized quickly by the liver \- D. Patients prefer less frequent dosing \*\*Answer:\*\* B. They have long half-lives that allow for once-daily dosing \-\-- \#\#\# \*\*Slide 17: SSRI Side Effects\*\* 1\. \*\*What is the most common side effect of SSRIs related to increased serotonergic activity?\*\* \- A. Weight loss \- B. Sexual dysfunction \- C. Dry mouth \- D. Diarrhea \*\*Answer:\*\* B. Sexual dysfunction 2\. \*\*Which SSRI is associated with the highest risk of weight gain?\*\* \- A. Citalopram \- B. Paroxetine \- C. Sertraline \- D. Fluoxetine \*\*Answer:\*\* B. Paroxetine 3\. \*\*What is a notable side effect of abruptly discontinuing SSRIs?\*\* \- A. Serotonin syndrome \- B. Discontinuation syndrome with dizziness and paresthesias \- C. Hypoglycemia \- D. Hyperthermia \*\*Answer:\*\* B. Discontinuation syndrome with dizziness and paresthesias \-\-- \#\#\# \*\*Slide 18: Serotonin Syndrome\*\* 1\. \*\*What is a common sign of serotonin syndrome?\*\* \- A. Hypothermia \- B. Autonomic instability (hyperthermia, hypertension) \- C. Bradycardia \- D. Hypotension \*\*Answer:\*\* B. Autonomic instability (hyperthermia, hypertension) 2\. \*\*What drug is used to treat serotonin syndrome by blocking serotonin receptors?\*\* \- A. Lorazepam \- B. Cyproheptadine \- C. Diazepam \- D. Fluoxetine \*\*Answer:\*\* B. Cyproheptadine 3\. \*\*Which of the following is NOT a typical cause of serotonin syndrome?\*\* \- A. SSRIs \- B. S NRIs \- C. MAO inhibitors \- D. Anticholinergics \*\*Answer:\*\* D. Anticholinergics \-\-- \#\#\# \*\*Slide 19: SNRI Mechanism and Indications\*\* 1\. \*\*SNRIs block the reuptake of which neurotransmitters?\*\* \- A. Serotonin and dopamine \- B. Serotonin and norepinephrine \- C. Norepinephrine and dopamine \- D. GABA and serotonin \*\*Answer:\*\* B. Serotonin and norepinephrine 2\. \*\*Which condition, in addition to depression, is commonly treated with SNRIs?\*\* \- A. Obsessive-compulsive disorder (OCD) \- B. Neuropathic pain \- C. Bipolar disorder \- D. Schizophrenia \*\*Answer:\*\* B. Neuropathic pain 3\. \*\*Which SNRI is used for treating generalized anxiety disorder (GAD) and chronic pain conditions such as fibromyalgia?\*\* \- A. Venlafaxine \- B. Duloxetine \- C. Desvenlafaxine \- D. Sertraline \*\*Answer:\*\* B. Duloxetine \-\-- \#\#\# \*\*Slide 20: SNRI Side Effects\*\* 1\. \*\*Which side effect is most commonly associated with SNRIs, particularly at high doses?\*\* \- A. Bradycardia \- B. Hypertension \- C. Hypoglycemia \- D. Hyperthyroidism \*\*Answer:\*\* B. Hypertension 2\. \*\*What is a common gastrointestinal side effect of SNRIs?\*\* \- A. Diarrhea \- B. Nausea and vomiting \- C. Constipation \- D. Gastritis \*\*Answer:\*\* B. Nausea and vomiting 3\. \*\*SNRIs should not be combined with which of the following due to the risk of serotonin syndrome?\*\* \- A. Tricyclic antidepressants (TCAs) \- B. Monoamine oxidase inhibitors (MAOIs) \- C. Antipsychotics \- D. Beta-blockers \*\*Answer:\*\* B. Monoamine oxidase inhibitors (MAOIs)