Psychopharmacology Flashcards
____ (____) ____ are chemicals that interact with the central nervous system in a way that produces a change in mood, consciousness, perception, and/or behavior. These drugs exert their effects in a number of ways — i.e., by _________________________________________.
Psychoactive (Psychotropic) Drugs; increasing or decreasing the production or reuptake of neurotransmitters. by increasing or preventing the release of neurotransmitters, or by facilitating, mimicking, or blocking the effects of neurotransmitters at receptor sites.
____ ____: The following terms are used to describe the ____ of the ____ ____: Agonists; Inverse Agonists; Partial Agonists; Antagonists.
Drug Effects; Effects of the Psychoactive Drugs
____ produce effects similar to those produced by a neurotransmitter. ____ ____ exert their effects by mimicking the effect of a neurotransmitter at a receptor site, while ____ ____ attach to a binding site on a receptor cell (a site other than the one used by the neurotransmitter) and facilitate the action of the neurotransmitter.
Agonists; Direct Agonists; Indirect Agonists
____ ____ produce an effect opposite the effect produced by a neurotransmitter or an agonist.
Inverse Agonists
____ ____ produce effects that are similar to (but less than) the effects produced by a neurotransmitter or an agonist.
Partial Agonists
____ produce no activity in the cell on their own but, instead, reduce or block the effects of a neurotransmitter or agonist. ____ ____ exert their effects by attaching to a neurotransmitter’s receptor site, while ____ ____ attach to a binding site on a receptor cell (a site other than the one used by the neurotransmitter) and interfere with the action of the neurotransmitter.
Antagonists; Direct Antagonists; Indirect Antagonists
____ and ____ ____: ____ -____ ____ are a common cause of hospital admissions for people over the age of 65. Factors that contribute to these problems include the use of ____ ____, noncompliance with ____ ____, and ____ or ____ ____ to ____ ____. Changes in sensitivity are due to several factors including ____ -____ ____ in ____ ____, ____, ____, and ____.
Drugs and Older Adults; Medication-Related Problems; Multiple Medications, Noncompliance with Medication Regimens, and Decreased or Increased Sensitivity to Drug Effects; Age-Related Changes in Drug Absorption, Distribution, Metabolism, and Excretion
An age-related decrease in ____ or reduction in renal functioning may extend the half-life of some drugs (e.g., benzodiazepines), resulting in an increased risk for ____. (____ -____ refers to the time it takes for the plasma concentration of the drug to drop by 50%.) Because of the increased risk for adverse drug effects, a general rule when prescribing drugs for older adults is to “____ ____ and ____ ____ “ — i.e., begin with a low initial dose and, if necessary, increase the dose gradually.
Metabolism; Toxicity; Half-Life; Start Low and Go Slow
____ and ____ /____: Research has identified some cross-ethnic differences in responses to ____ ____ and has related these differences to a number of ____, ____, and ____ factors.
Drugs and Race/Ethnicity; Psychotropic Medications; Pharmacokinetic, Pharmacogenetic, and Pharmacodynamic
Regarding ____, some ethnic dissimilarities in drug response have been linked to differences in ____. For example, in comparison to Caucasians, higher proportions of Asians and, to a somewhat lesser degree, African-Americans are slower or poorer metabolizers of specific ____, which explains why they are more sensitive to the therapeutic and side effects of certain drugs such as neuroleptics, benzodiazepines, lithium, and some antidepressants.
Pharmacokinetics; Metabolism; Isoenzymes
Because of the ethnic differences, the experts propose that the best approach when prescribing a new drug for an Asian or African-American patient is to be4n with a ____ ____ and ____ ____ ____ until the ____ ____ ____ ____.
Low Dose and Gradually Titrate Upward; Desired Effects are Achieved
Chlorpromazine, Fluphenazine, Thiothixene, Haloperidol
Conventional Antipsychotics
Clozapine, Resperidone, Olanzapine, Quetiapine
Atypical Antipsychotics
Amitriptyline, Doxepin, Imipramine, Clomipramine, Nortriptyline
TCAs
Fluoxetine, Fluvoxamine, Paroxetine, Sertraline
SSRIs
Isocarboxazid, Phenelzine, Tranylcypromine
MAOIs
Diazepam, Alprazolam, Alprazolam, Oxazepam, Triazolam, Chlordiazepoxide, Lorazepam
Anxiolytics (Benzodiazepines)
____ of ____ ____: Data on ambulatory medical care visits in the United States is collected regularly by the ____ ____ on ____ ____ (___). As denned by the NCHS, ____ ____ ____ include primary care offices, surgical specialty offices. medical specialty offices, hospital outpatient departments, and hospital emergency departments.
Prescribers of Psychotropic Drugs; National Center on Health Statistics (NCHS); Ambulatory Care Settings
Data has shown that, with some exceptions, ____ (____ ____ ____) ____ are most frequently provided, prescribed, or continued at ____ ____ ____ in ____ ____ ____ followed by ____ ____ ____ (e.g., the offices of psychiatrists and neurologists). The exceptions include ____ and ____, which are most often provided, prescribed, or continued in ____ ____ ____.
Psychotropic (Central Nervous System) Drugs; Ambulatory Care Visits in Primary Care Offices; Medical Specialty Offices; Antipsychotics and Antimanics; Medical Specialty Offices
The antipsychotic drugs are also known as major ____ and ____. Included in this category are the ____ and ____ ____.
Tranquilizers and Neuroleptics; Traditional and Atypical Antipsychotics
____ (____) ____ ____: The ____ ____ include phenothiazine (chlorpromazine, fluphenazine), thioxanthene (thiothixene), and butyrophenone (haloperidol).
Traditional (Conventional) Antipsychotic Drugs; Traditional Antipsychotics
Use: The traditional antipsychotics are effective for alleviating ____ ____ and are most often prescribed as a treatment for ____. They are also used to treat ____ ____, ____ and ____ associated with ____ ____ ____, and ____ ____. While the traditional antipsychotic drugs alleviate hallucinations, delusions, agitation and other positive symptoms of Schizophrenia, they are much less effective for its ____ ____.
Psychotic Symptoms; Schizophrenia; Acute Mania; Delusions and Hallucinations; Major Depressive Disorder; Organic Psychoses; Negative Symptoms
____ of ____: The traditional antipsychotic drugs exert their effects by blocking ____ ____ in the brain (especially D2 receptors). This finding led to the development of the ____ ____, which proposes that Schizophrenia is related to overactivity at dopamine receptors either as the result of oversensitivity of the receptors or excessive dopamine levels.
Mode of Action; Dopamine Receptors; Dopamine Hypothesis
____ ____ of the ____ ____ include ____ ____, extrapyramidal effects, and neuroleptic malignant syndrome. ____ ____ include dry mouth, blurred vision, urinary retention, constipation, tachycardia, and delayed ejaculation. These effects appear ____, and tolerance ordinarily develops within a ____ ____ or ____.
Side Effects; Traditional Antipsychotics; Anticholinergic Effects; Early; Few Weeks or Months
____ ____ ____ are believed to be caused by the effects of the drugs on dopamine receptors, especially in the ____ ____. Parkinsonism, akathisia (extreme motor restlessness), and acute dystonia (muscle spasms in the mouth, face, and neck) are the most ____ ____ ____.
Extrapyramidal Side Effects; Caudate Nucleus; Common Extrapyramidal Effects
____ ____, the most serious of the extrapyramidal effects, is ____ -____ and is more common in ____ and ____ ____. Its symptoms are similar to those of Huntington’s disease and include ____ ____ ____ of the Jaw, lips, tongue, and extremities.
Tardive Dyskinesia; Late-Occurring; Females and Older Patients; Involuntary Rhythmic Movements
Although tardive dyskinesia has traditionally been viewed as ____, recent studies indicate this is not true for ____ ____. For many, symptoms eventually improve when the drug is gradually ____ (although there may be an initial worsening of symptoms). In addition, tardive dyskinesia may be alleviated to some degree by administering a ____ or other ____ ____. ____, the most potent of the antipsychotics, is associated with the most ____ ____ ____.
Irreversible; All Patients; Withdrawn; Benzodiazepine; GABA Agonist; Haloperidol; Severe Extrapyramidal Effects
Finally, a rare, but potentially fatal side effect of the antipsychotic drugs is ____ ____ ____ (___). NMS is characterized by a ____ ____ of ____, ____, and ____ ____ including muscle rigidity, tachycardia, hyperthermia, and altered consciousness. To avoid a potentially fatal outcome, the drug must be ____ as soon as symptoms of NMS develop.
Neuroleptic Malignant Syndrome (NMS); Rapid Onset of Motor, Mental, and Autonomic Symptoms; Stopped
____ (____) ____ ____: The ____ ____ include dibenzodiazepine (____), benzisoxazole (resperidone), thienobenzodiazepine (olanzapine), and dibenzothiazepine (quetiapine).
Atypical (Novel) Antipsychotic Drugs; Atypical Antipsychotics; Clozapine
____: The atypical antipsychotics are used to treat ____ and other disorders with ____ ____. In addition, ____ has been found useful for treating Bipolar Disorder that has not responded to a mood stabilizer, depression and suicidality, alcohol and drug addiction, hostility, and the motor symptoms of Huntington’s disease, Parkinson’s disease, and other movement disorders.
Use; Schizophrenia; Psychotic Symptoms; Clozapine
An advantage of the atypical drugs is that they alleviate both the ____ and ____ ____ of ____, and they are often effective when ____ ____ drugs have ____. One disadvantage is that these drugs may have a ____ ____ of ____ ____ than the ____ ____ do.
Positive and Negative Symptoms of Schizophrenia; Traditional Antipsychotic; Failed; Slower Onset of Therapeutic Effects; Traditional Antipsychotics
____ of ____: The atypical antipsychotic drugs act on ___ and other ____ ____ as well as receptors for other neurotransmitters including ____ and ____.
Mode of Action; D4; Dopamine Receptors; Serotonin and Glutamate
Common ____ ____ of the atypical antipsychotics include ____ ____ (e.g., blurred vision, dry eyes, constipation, and urinary retention), lowered ____ ____, and ____. Extrapyramidal side effects are much ____ ____ (except for ____); and an important advantage of the atypical drugs is that they are less likely to cause ____ ____.
Side Effects; Anticholinergic Effects; Seizure Threshold; Sedation; Less Common; Akathisia; Tardive Dyskinesia
Atypical antipsychotics can produce ____ (a marked decrease in a certain type of white blood cell) and other blood ____, and, consequently, their use requires careful ____ ____. Also, like the traditional antipsychotics, they may cause ____ ____ ____.
Agranulocytosis; Dyscrasias; Blood Monitoring; Neuroleptic Malignant Syndrome
Several terms are used to describe the effects of the psychoactive drugs: For example, (1) ____ produce effects similar to those produced by a neurotransmitter, while (2) ____ produce no activity on their own but reduce or block the effects of a neurotransmitter. Because of the increased risk for adverse side effects, a general rule when prescribing drugs for older adults and members of some ethnic minority groups is to (3) ____.
(1) agonists; (2) antagonists; (3) start low and go slow
The traditional antipsychotic drugs are used primarily as a treatment for (4) ____ and are especially effective for alleviating its (5) ____ symptoms such as delusions and hallucinations. Research on the effects of the traditional antipsychotic drugs provides support for the dopamine hypothesis, which attributes Schizophrenia to (6) ____ to dopamine or excessive dopamine levels.
(4) Schizophrenia; (5) positive; (6) oversensitivity
These drugs are associated with several undesirable side effects including (7) ____ effects (e.g., dry mouth, constipation, blurred vision) and extrapyramidal symptoms. Of the latter, (8) ____ is the most serious side effect, but its symptoms may eventually decrease if the drug is (9) ____. Neuroleptic (10) ____ is characterized by a rapid onset of muscle rigidity, tachycardia, hyperthermia, and altered consciousness.
(7) anticholinergic; (8) tardive dyskinesia; (9) gradually withdrawn; (10) malignant syndrome
The atypical antipsychotic drugs (e.g., clozapine) are associated with several advantages. They alleviate both the (11) ____ symptoms of Schizophrenia and are often effective when traditional drugs have failed. In addition, they are less likely to produce (12) ____ and other extrapyramidal side effects (except akathisia). However, they can cause (13) ____ or other blood dyscrasias.
(11) positive and negative; (12) tardive dyskinesia; (13) agranulocytosis
The antidepressant drugs include the ____, the ____, and the ____. In addition. several other antidepressants have been introduced in recent years including ____ ____ ____ ____ and ____ ____ ____ ____.
Tricyclics; SSRIs; MAOIs; Norepinephrine Dopamine Reuptake Inhibitors and Serotonin Norepinephrine Reuptake Inhibitors
____: The ____ (___) include amitriptyline, nortriptyline, doxepin, ____, and ____.
Tricyclics; Tricyclics (TCAs); Imipramine; Clomipramine
____: The ___ are ____ ____ for depressions that involve decreased appetite and weight loss, early morning awakening and other sleep disturbances, psychomotor retardation, and anhedonia. They are particularly useful for alleviating the ____, ____ ____ of depression. Because it takes ____ to ____ ____ for these drugs to exert their therapeutic effects, ___ (which has a more immediate impact) is sometimes preferred for patients with ____ ____ and a ____ ____ for ____.
Use; TCAs; Most Effective; Vegetative, Somatic Symptoms; Two to Four; ECT; Severe Depression; High Risk for Suicide
The ___ are also ____ for Panic Disorder, Agoraphobia, Bulimia, Obsessive-Compulsive Disorder (especially clomipramine), enuresis in children and adolescents (especially imipramine), and neuropathic pain (especially amitriptyline and nortriptyline).
TCAs; Used
____ of ____: The TCAs ____ the ____ of ____, ____, and/or ____ at ____ ____. The effects of the tricyclic drugs on norepinephrine support the ____ ____, which proposes that depression is caused by a deficiency of this neurotransmitter.
Mode of Action; Block the Reuptake of Norepinephrine, Serotonin, and/or Dopamine at Nerve Synapses; Catecholamine Hypothesis
The primary ____ ____ of the TCAs are summarized in Table 6. The most serious problem is that the TCAs are ____, producing such cardiovascular symptoms as tachycardia, palpitations, hypertension, severe hypotension (drop in blood pressure), and cardiac arrhythmia. For this reason, they must be used with ____ with people suffering from ____ ____.
Side Effects; Cardiotoxic; Caution; Heart Disease
Many of the adverse effects of the TCAs are more common in ____ ____, and most can be alleviated by lowering the ____ ____. ____ of ____ ____ include ataxia, impaired concentration, agitation, severe hypotension, fever, cardiac arrhythmia, delirium, seizures, and coma. Because an overdose can be ____, the tricyclics should be prescribed in ____ ____ for patients at ____ ____ for ____.
Older Patients; Dosage Level; Symptoms of Tricyclic Overdose; Lethal; Small Quantities; High Risk for Suicide
____ ____ ____ of ___ include cardiovascular symptoms; anticholinergic effects (e.g., dry mouth, blurred vision, urinary retention, constipation, sexual dysfunction); confusion; drowsiness; fatigue; weight gain; fine tremor; paresthesia; blood dyscrasia.
Adverse Side Effects of TCAs
____ ____ ____ of ___ include gastrointestinal disturbances (e.g., nausea, appetite loss, constipation or diarrhea); insomnia; anxiety; headache; dizziness; anorexia; tremor; frequent urination; sexual dysfunction.
Adverse side Effects of SSRIs
____ ____ ____ of ___ include anticholinergic effects (e.g., dry mouth, blurred vision, nausea, constipation, sexual dysfunction); insomnia; agitation; confusion; skin rash; weight gain; edema; headache; dizziness; tremor; blood dyscrasia; hypertensive crisis
Adverse side Effects of MAOIs
____: The ____ (____ ____ ____ ____) include ____, fluvoxamine, paroxetine, and sertraline.
SSRIs; SSRIs (Selective Serotonin Reuptake Inhibitors; Fluoxetine
____: The SSRIs are used to treat ____ and are particularly effective for ____ ____. Several of the ____ are also prescribed for obsessive-compulsive symptoms, Bulimia, Panic Disorder, and PTSD.
Use; Depression; Melancholic Depression; SSRIs
____ of ____: The SSRIs ____ the ____ of ____.
Mode of Action; Block the Reuptake of Serotonin
The ____ ____ of the SSRIs include those listed in Table 6. As with most medications, many of these effects are ____ but others may require a ____ in ____ or ____. In comparison to the tricyclic antidepressants, the SSRIs are associated with several ____: They are ____ ____, ____ in ____, and are less likely to produce ____ ____.
Side Effects; Temporary; Change in Dosage or Drug; Advantages; Less Cardiotoxic; Safer in Overdose; Cognitive Impairment
SSRIs have a fairly ____ ____ of therapeutic effects: Most individuals experience a substantial improvement in ____ ____ within ____ to ____ ____, although some may not experience the full therapeutic effects for ____ to ____ ____.
Rapid Onset; Depressive Symptoms; Two to Four Weeks; Six to Eight Weeks
Since its introduction in the United States in 1987, ____ (____) has become the most ____ -____ antidepressant, and it has been surrounded by controversy because Of anecdotal and empirical evidence linking it with acts of ____ and ____. The FDA, however. has concluded that the risks associated with Prozac are no greater than those associated with ____ ____.
Prozac (Fluoxetine); Widely-Prescribed; Violence and Suicide; Other Antidepressants
Administration of an SSRI in conjunction with an ____ or ____ ____ ____ may result in ____ ____ Symptoms include ____ ____ (headache, nystagmus, tremor, dizziness, unsteady gait), changes in ____ ____ (irritability, confusion, delirium), and cardiac arrhythmia and can progress to ____ and ____.
MAOI or other Serotonergic Agent; Serotonin Syndrome; Neurological Effects; Mental State; Cardiac Arrhythmia; Coma and Death
____: Commonly-prescribed ____ (monoamine oxidase inhibitors) include isocarboxazid, phenelzine, and tranylcypromine.
MAOIs; MAOIs