Antipsychotics Flashcards
Schizophrenia is caused by:
a. Psychological factors
b. Inherent dysfunction of the brain
c. Environmental factors
d. Nutritional deficiencies
The correct answer is: b. Inherent dysfunction of the brain.
Which of the following symptoms is NOT commonly associated with schizophrenia?
a. Delusions
b. High fever
c. Hallucinations
d. Speech disturbances
The correct answer is: b. High fever.
What percentage of the population has schizophrenia?
a. 0.5%
b. 1%
c. 2%
d. 5%
The correct answer is: b. 1%.
Schizophrenia most commonly affects individuals during:
a. Childhood
b. Middle age
c. Late adolescence or early adulthood
d. Old age
The correct answer is: c. Late adolescence or early adulthood.
The prevalence of schizophrenia in men compared to women is:
a. Higher in men
b. Higher in women
c. Equal in men and women
d. Unknown
The correct answer is: c. Equal in men and women.
Schizophrenia is characterized as a:
a. Mild disorder
b. Disabling disorder
c. Temporary disorder
d. Reversible disorder
The correct answer is: b. Disabling disorder.
Schizophrenia has a strong:
a. Environmental component
b. Genetic component
c. Social component
d. Dietary component
The correct answer is: b. Genetic component.
Schizophrenia is possibly a dysfunction of the:
a. Mesolimbic or mesocortical dopaminergic neuronal pathways
b. Serotonergic pathways
c. Cholinergic pathways
d. Glutamatergic pathways
The correct answer is: a. Mesolimbic or mesocortical dopaminergic neuronal pathways.
Which of the following is a positive symptom of schizophrenia?
a. Blunted emotions
b. Hallucinations
c. Anhedonia
d. Lack of feeling
The correct answer is: b. Hallucinations.
Which of the following is a negative symptom of schizophrenia?
a. Disorganized thought
b. Anhedonia
c. Hallucinations
d. Inappropriate emotions
The correct answer is: b. Anhedonia.
Cognitive symptoms of schizophrenia include:
a. Social withdrawal
b. New learning and memory difficulties
c. Hallucinations
d. Blunted emotions
The correct answer is: b. New learning and memory difficulties.
Mood symptoms of schizophrenia include all EXCEPT:
a. Loss of motivation
b. Social withdrawal
c. Insight
d. Hallucinations
The correct answer is: d. Hallucinations.
Which of the following substances can enhance central dopaminergic neurotransmission and cause psychosis?
a. Antidepressants
b. Amphetamines
c. Antipsychotics
d. Beta-blockers
The correct answer is: b. Amphetamines.
Low doses of which substance can induce a psychotic reaction in schizophrenics in remission?
a. Cocaine
b. Alcohol
c. Nicotine
d. Amphetamine
The correct answer is: d. Amphetamine.
Stress is considered a major predisposing factor in:
a. Schizophrenia
b. Diabetes
c. Hypertension
d. Asthma
The correct answer is: a. Schizophrenia.
Repeated administration of stimulants like amphetamines and cocaine can cause psychosis that resembles:
a. Depression
b. Anxiety
c. Positive symptoms of schizophrenia
d. Negative symptoms of schizophrenia
The correct answer is: c. Positive symptoms of schizophrenia.
Antipsychotic drugs are also known as:
a. Antidepressants
b. Neuroleptics
c. Anxiolytics
d. Sedatives
The correct answer is: b. Neuroleptics.
Another term used to describe antipsychotic drugs is:
a. Antidepressants
b. Major tranquilizers
c. Stimulants
d. Analgesics
The correct answer is: b. Major tranquilizers.
The primary use of antipsychotics is to treat:
a. Depression
b. Anxiety
c. Schizophrenia
d. Bipolar disorder
The correct answer is: c. Schizophrenia.
True or False: Antipsychotics are curative for schizophrenia.
a. True
b. False
The correct answer is: b. False.
Antipsychotics do NOT eliminate:
a. Positive symptoms of schizophrenia
b. Fundamental and chronic thoughts
c. Hallucinations
d. Delusions
The correct answer is: b. Fundamental and chronic thoughts.
Antipsychotics primarily work by:
a. Increasing dopaminergic neurotransmission
b. Increasing serotonergic neurotransmission
c. Decreasing dopaminergic and/or serotonergic neurotransmission
d. Decreasing GABAergic neurotransmission
The correct answer is: c. Decreasing dopaminergic and/or serotonergic neurotransmission.
The main effect of antipsychotics on schizophrenic symptoms is to:
a. Decrease the intensity of hallucinations and delusions
b. Increase cognitive function
c. Eliminate all symptoms
d. Cure the disease
The correct answer is: a. Decrease the intensity of hallucinations and delusions.
Antipsychotics represent several diverse, heterocyclic structures with:
a. Uniform potencies
b. Marked different potencies
c. Identical chemical structures
d. No variations in effects
The correct answer is: b. Marked different potencies.
Antipsychotic drugs are divided into:
a. Low and high potency agents
b. Oral and injectable agents
c. First- and second-generation agents
d. Short- and long-acting agents
The correct answer is: c. First- and second-generation agents.
First-generation antipsychotic drugs are further classified as:
a. Short-acting and long-acting
b. Oral and injectable
c. Low potency and high potency
d. Mild and strong
The correct answer is: c. Low potency and high potency.
The classification of first-generation antipsychotic drugs is based on their:
a. Clinical effectiveness
b. Affinity for the dopamine D2 receptor
c. Duration of action
d. Metabolic effects
The correct answer is: b. Affinity for the dopamine D2 receptor.
The classification of antipsychotic drugs does NOT indicate their:
a. Clinical effectiveness
b. Affinity for receptors
c. Adverse effect profile
d. Mechanism of action
The correct answer is: a. Clinical effectiveness.
Which of the following is a high potency first-generation antipsychotic?
a. Chlorpromazine (Thorazine)
b. Haloperidol (Haldol)
c. Fluphenazine (Prolixin)
d. Pimozide (Orap)
The correct answer is: b. Haloperidol (Haldol).
Which of the following is a high potency first-generation antipsychotic?
a. Thioridazine (Mellaril)
b. Haloperidol (Haldol)
c. Chlorpromazine (Thorazine)
d. Prochlorperazine (Compazine)
The correct answer is: b. Haloperidol (Haldol).
Identify the first-generation antipsychotic classified as low potency:
a. Haloperidol (Haldol)
b. Thioridazine (Mellaril)
c. Fluphenazine (Prolixin)
d. Thiothixene (Navane)
The correct answer is: b. Thioridazine (Mellaril).
Identify the first-generation antipsychotic classified as high potency:
a. Prochlorperazine (Compazine)
b. Fluphenazine (Prolixin)
c. Thioridazine (Mellaril)
d. Chlorpromazine (Thorazine)
The correct answer is: b. Fluphenazine (Prolixin).
The mechanism of action of first-generation antipsychotics is:
a. Competitive blocking of D2 dopamine receptors
b. Inhibition of serotonin reuptake
c. Enhancement of GABAergic transmission
d. Blocking of calcium channels
The correct answer is: a. Competitive blocking of D2 dopamine receptors.
First-generation antipsychotics are more likely to be associated with:
a. Weight gain
b. Hyperglycemia
c. Movement disorders
d. Gastrointestinal disturbances
The correct answer is: c. Movement disorders.
First-generation antipsychotics that bind tightly to dopaminergic neuroreceptors are more likely to cause:
a. Movement disorders
b. Sedation
c. Hypertension
d. Hyperlipidemia
The correct answer is: a. Movement disorders.
Which of the following drugs is more likely to be associated with movement disorders due to tight binding to dopaminergic neuroreceptors?
a. Haloperidol
b. Chlorpromazine
c. Thioridazine
d. Prochlorperazine
The correct answer is: a. Haloperidol.
Which of the following drugs binds weakly to dopaminergic neuroreceptors and is less likely to cause movement disorders?
a. Haloperidol
b. Chlorpromazine
c. Fluphenazine
d. Pimozide
The correct answer is: b. Chlorpromazine.
True or False: No one first-generation antipsychotic drug is clinically more effective than another.
a. True
b. False
The correct answer is: a. True.
Second-generation antipsychotics are also known as:
a. Neuroleptics
b. Atypical antipsychotics
c. Major tranquilizers
d. Mood stabilizers
The correct answer is: b. Atypical antipsychotics.
Compared to first-generation antipsychotics, second-generation antipsychotics have:
a. Higher incidence of movement disorders
b. Fewer extrapyramidal symptoms (EPS)
c. Increased sedation
d. More severe gastrointestinal side effects
The correct answer is: b. Fewer extrapyramidal symptoms (EPS).
Second-generation antipsychotics have a higher risk of:
a. Extrapyramidal symptoms
b. Metabolic side effects
c. Neurological symptoms
d. Cardiovascular side effects
The correct answer is: b. Metabolic side effects.
Metabolic side effects associated with second-generation antipsychotics include:
a. Diabetes, hypercholesterolemia, and weight gain
b. Hypertension, hyperkalemia, and weight loss
c. Hyperthyroidism, anemia, and dehydration
d. Asthma, COPD, and bronchitis
The correct answer is: a. Diabetes, hypercholesterolemia, and weight gain.
Which generation of antipsychotic agents is commonly used to minimize the risk of debilitating movement disorders?
a. First-generation agents
b. Third-generation agents
c. Second-generation agents
d. Non-specific agents
The correct answer is: c. Second-generation agents.
The selection of antipsychotic drugs often depends on:
a. Cost of the medication
b. Availability of the drug
c. Individual patient response and comorbid conditions
d. Color of the pill
The correct answer is: c. Individual patient response and comorbid conditions.
True or False: Second-generation drugs are considered interchangeable for all patients.
a. False
b. True
The correct answer is: a. False.
Why should second-generation antipsychotic drugs not be considered interchangeable?
a. Due to differences in cost
b. Because they all have the same side effects
c. Patients may respond differently to each drug in this class
d. Due to availability issues
The correct answer is: c. Patients may respond differently to each drug in this class.
Which factor is NOT commonly considered when selecting an antipsychotic drug?
a. The brand name of the drug
b. Individual patient response
c. Comorbid conditions
d. The generation of the drug
The correct answer is: a. The brand name of the drug.
The primary mechanism of action for antipsychotics involves:
a. Dopamine receptor–blocking activity in the brain
b. Inhibition of serotonin reuptake
c. Enhancement of GABAergic transmission
d. Blocking of calcium channels
The correct answer is: a. Dopamine receptor–blocking activity in the brain.
How many types of dopamine receptors are there in the brain?
a. Three
b. Four
c. Five
d. Six
The correct answer is: c. Five.
Which dopamine receptors are excitatory?
a. D2 and D3
b. D3 and D4
c. D1 and D5
d. D2 and D4
The correct answer is: c. D1 and D5.
Which dopamine receptors are inhibitory?
a. D1 and D5
b. D2, D3, and D4
c. D1 and D3
d. D4 and D5
The correct answer is: b. D2, D3, and D4.
The neuroleptic drugs bind to dopamine receptors:
a. To varying degrees
b. Uniformly
c. Equally
d. Exclusively to D2
The correct answer is: a. To varying degrees.
All first-generation and most second-generation antipsychotics block:
a. Serotonin receptors
b. Dopamine receptors
c. GABA receptors
d. Glutamate receptors
The correct answer is: b. Dopamine receptors.
The ability to block which receptor is linked to the clinical efficacy of antipsychotics?
a. D1 receptor
b. D3 receptor
c. D4 receptor
d. D2 receptor
The correct answer is: d. D2 receptor.
Which drug is 100 times more potent toward the D2 receptor than chlorpromazine?
a. Clozapine
b. Risperidone
c. Haloperidol
d. Olanzapine
The correct answer is: c. Haloperidol.
Which atypical antipsychotic has a higher affinity for the D4 receptor and lower affinity to D2?
a. Haloperidol
b. Clozapine
c. Aripiprazole
d. Quetiapine
The correct answer is: b. Clozapine.
The actions of antipsychotic drugs are antagonized by:
a. Levodopa, amphetamines, bromocriptine
b. Serotonin reuptake inhibitors
c. Benzodiazepines
d. Beta-blockers
The correct answer is: a. Levodopa, amphetamines, bromocriptine.
Second-generation antipsychotics exert part of their unique effect by inhibiting:
a. Dopamine D2 receptors
b. GABA receptors
c. Serotonin receptors (5-HT)
d. Glutamate receptors
The correct answer is: c. Serotonin receptors (5-HT).
Which serotonin receptor is particularly inhibited by most second-generation antipsychotics?
a. 5-HT1A
b. 5-HT1B
c. 5-HT2B
d. 5-HT2A
The correct answer is: d. 5-HT2A.
Clozapine has a high affinity for which receptors?
a. D2, D3, 5-HT1A, muscarinic
b. D1, D4, 5-HT2, muscarinic, α-adrenergic
c. D2, D4, 5-HT3, cholinergic
d. D3, D5, 5-HT4, nicotinic
The correct answer is: b. D1, D4, 5-HT2, muscarinic, α-adrenergic.
Clozapine is also known to be a:
a. Strong dopamine D2-receptor agonist
b. Weak dopamine D2-receptor antagonist
c. Strong dopamine D1-receptor antagonist
d. Weak dopamine D1-receptor agonist
The correct answer is: b. Weak dopamine D2-receptor antagonist.
Risperidone primarily blocks which receptors?
a. 5-HT2A > D2 receptor
b. D2 > 5-HT2A receptor
c. D1 > 5-HT2A receptor
d. 5-HT1A > D2 receptor
The correct answer is: a. 5-HT2A > D2 receptor.
Aripiprazole acts as a:
a. Partial agonist at D2 and 5-HT1A receptors and a blocker of 5-HT2A receptors
b. Full agonist at D2 and 5-HT1A receptors
c. Partial antagonist at D2 and 5-HT2A receptors
d. Full antagonist at D2 and 5-HT1A receptors
The correct answer is: a. Partial agonist at D2 and 5-HT1A receptors and a blocker of 5-HT2A receptors.
Quetiapine blocks which receptors more effectively?
a. D2 receptors > 5-HT2A receptors
b. 5-HT2A receptors > D2 receptors
c. D1 receptors > 5-HT2A receptors
d. 5-HT1A receptors > D2 receptors
The correct answer is: a. D2 receptors > 5-HT2A receptors.
Antipsychotic actions are due to:
a. Blockade at histamine receptors.
b. Blockade at dopamine and/or serotonin receptors.
c. Blockade at acetylcholine receptors.
d. Blockade at GABA receptors.
Correct answer: b. Blockade at dopamine and/or serotonin receptors.
Antipsychotics reduce:
a. Negative symptoms only.
b. Positive symptoms only.
c. Both hallucinations and delusions (positive symptoms).
d. Cognitive symptoms only.
Correct answer: c. Both hallucinations and delusions (positive symptoms).