MCQs-Drugs Acting on Central Nervous System part 6 I Pharmacology KD Tripathi mcqs part 30

 30.1 The ‘neuroleptic syndrome’ produced by chlorpromazine

like drugs is characterized by the following

except:

A. Emotional quietening

B. Paucity of movements

C. Ataxia

D. Indifference to external cues


30.2 The distinctive action of chlorpromazine like drugs

not possessed by any other class of drugs is:

A. Relief of anxiety without producing sedation

B. Suppression of agressive behaviour

C. Mood elevation in depressed patients

D. Correction of distortions of thought and perception

occurring in psychosis


30.3 Actions of chlorpromazine include the following except:

A. Indifference to external stimuli

B. Postural hypotension

C. Hypoprolactinemia

D. Hypothermia in cold surroundings



30.4 Fluphenazine differs from chlorpromazine in the following respects except:

A. It has higher antipsychotic efficacy

B. It is less sedative

C. It is less likely to precipitate seizures in epileptics

D. It causes more prominent extrapyramidal

side effects 


30.5 Compared to other antipsychotic drugs, the distinctive feature of penfluridol is:

A. Very long duration of action

B. Weak dopamine D2 blocking activity

C. Lack of extrapyramidal side effects

D. Additional 5-HT2 receptor blocking activity


30.6 Which of the following adverse effects of neuroleptic

drugs is positively correlated to the antipsychotic

potency of the different compounds:

A. Sedation

B. Extrapyramidal motor disturbances

C. Postural hypotension

D. Lowering of seizure threshold 


30.7 Selective inhibition of conditioned avoidance response

in animals by a drug indicates that the drug is likely

to be effective in:

A. Anxiety

B. Major depression

C. Schizophrenia

D. Manic-depressive illness


30.8 The following action of chlorpromazine is not based

on its antidopaminergic property:

A. Antipsychotic

B. Hyperprolactinemic

C. Antiemetic

D. Hypotensive 


30.9 Chlorpromazine therapy increases the secretion of

the following hormone:

A. Prolactin

B. Gonadotropin

C. Corticotropin

D. Antidiuretic hormone 


30.10 The following drug is not likely to produce dependence:

A. Diazepam

B. Chlorpromazine

C. Pethidine

D. Methadone


30.11 Which of the following is a long acting neuroleptic

having specific antidopaminergic action, but little

adrenergic or cholinergic blocking activity:

A. Triflupromazine

B. Thioridazine

C. Clozapine

D. Pimozide


30.12 The major limitation in the use of clozapine for

treatment of schizophrenia is:

A. Its potential to cause agranulocytosis

B. Its inability to benefit negative symptoms of schizophrenia

C. High incidence of extrapyramidal side effects

D. Production of hyperprolactinemia


30.13 What is true of risperidone:

A. It is an atypical neuroleptic which produces few extrapyramidal side effects

B. It has combined dopamine D2 and 5-HT2 receptor blocking activity

C. It does not cause hyperprolactinemia

D. Both 'A' and 'B' are correct 


30.14 The following antipsychotic drug has weak dopamine

D2 but additional 5-HT2 blocking activity and benefits

both positive and negative symptoms of

schizophrenia:

A. Loxapine

B. Clozapine

C. Pimozide

D. Penfluridol 


30.15 Which of the following is an atypical neuroleptic drug:

A. Loxapine

B. Olanzapine

C. Pimozide

D. Flupenthixol


30.16 Olanzapine has the following features except:

A. It is an antipsychotic drug with weak D2 receptor blocking action

B. It has potent 5-HT2 blocking and antimuscarinic actions

C. It lowers seizure threshold

D. It produces prominent extrapyramidal side effects


30.17 Which of the following is a high potency antipsychotic

drug having minimal sedative and autonomic effects

and no propensity to cause weight gain:

A. Chlorpromazine

B. Triflupromazine

C. Haloperidol

D. Olanzapine 


30.18 Clozapine is considered to be an atypical neuroleptic because:

A. It has weak antidopaminergic action but high antipsychotic efficacy

B. Its side effect profile is different from that of chlorpromazine

C. It is not a phenothiazine derivative

D. Both ‘A’ and ‘B’ are correct


30.19 The following side effect of typical neuroleptics may

respond to propranolol:

A. Parkinsonism

B. Acute muscle dystonia

C. Tardive dyskinesia

D. Akathisia 


30.20 The following adverse effect can occur even long

after withdrawal of the offending drug:

A. Paradoxical tachycardia

B. Tardive dyskinesia

C. Malignant hyperthermia

D. Gynaecomastia 


30.21 The extrapyramidal adverse effect of antipsychotic

drug therapy which does not respond to central

anticholinergics is:

A. Parkinsonism

B. Acute muscle dystonia

C. Rabbit syndrome

D. Tardive dyskinesia 


30.22 The antipsychotic drug most likely to cause ocular

toxicity on long-term use is:

A. Thioridazine

B. Haloperidol

C. Flupenthixol

D. Pimozide 


30.23 The psychotic symptoms most benefited by neuroleptic drugs are:

A. Judgement and memory impairment

B. Loss of insight and volition

C. Hallucinations, delusions and aggressive behaviour

D. Apathy and social withdrawal 


30.24 A manic patient has been brought to the hospital with

nonstop talking, singing, uncontrolable behaviour and

apparent loss of contact with reality. Which of the

following is the most appropriate drug for rapid control

of his symptoms:

A. Lithium carbonate

B. Phenobarbitone

C. Haloperidol

D. Valproic acid


30.25 The following is correct about antipsychotic drugs except:

A. They only control symptoms of schizophrenia without affecting the basic disorder

B. Combination of two or more antipsychotic drugs is more efficacious than any single drug

C. In treating psychosis high potency drugs are preferred over low potency drugs

D. They donot produce dependence


30.26 Select the drug which should not be used to treat

neurotic anxiety and tension syndromes despite

having antianxiety action:

A. Buspirone

B. Chlorpromazine

C. Diazepam

D. Alprazolam 


30.27 Chlorpromazine is ineffective in vomiting due to:

A. Motion sickness

B. Morning sickness

C. Digoxin therapy

D. Gastritis 


30.28 The following statement(s) is/are correct in relation to

diazepam and chlorpromazine:

A. Both have anticonvulsant property

B. Both do not carry abuse liability

C. Both have antianxiety action

D. All of the above are correct


30.29 Select the anxiolytic benzodiazepine that has

additional mild antidepressant property:

A. Chlordiazepoxide

B. Oxazepam

C. Alprazolam

D. Lorazepam


30.30 Which of the following is a nonsedative anxiolytic:

A. Chlorpromazine

B. Buspirone

C. Hydroxyzine

D. Alprazolam


30.31 The following statement is correct about buspirone:

A. It interacts with benzodiazepine receptor as an inverse agonist

B. It is a rapidly acting anxiolytic, good for panic  states

C. It produces physical dependence and suppresses barbiturate withdrawal syndrome

D. It has anxiolytic but no anticonvulsant or muscle relaxant property 


30.32 Select the drug which relieves anxiety but neither

reacts with benzodiazepine receptor nor produces

any overt CNS effect:

A. Oxazepam

B. Thioproperazine

C. Buspirone

D. Chlordiazepoxide


30.33 The major constraint in the long term use of benzodiazepines

for treatment of generalized anxiety

disorder is:

A. Development of tolerance to antianxiety action of the benzodiazepines

B. Possibility of drug dependence

C. Cardiovascular depression

D. Likelyhood of overdose toxicity


30.34 The preferred class of drugs for long term treatment

of severe anxiety disorder with intermittent panic

attacks is:

A. Phenothiazine (chlorpromazine like)

B. Azapirone (buspirone like)

C. β-blocker (propranolol like)

D. Selective serotonin reuptake inhibitor

(sertraline like)


30.35 Choose the correct statement about the use of propranolol in anxiety:

A. Being nonsedative, it is the drug of choice in chronic anxiety states

B. It suppresses the psychological component of anxiety

C. It suppresses the autonomic manifestations of acutely stressful situations

D. Both ‘B’ and ‘C’ are correct


30.36 The following drug of abuse is a hallucinogen:

A. Cocaine

B. Cannabis

C. Heroin

D. Methaqualone


Ans:

30.1 C 30.2D 30.3 C 30.4 A 30.5 A 30.6 B 30.7 C 30.8D 30.9 A 30.10 B 30.11D 30.12 A 30.13D 30.14 B 30.15 B 30.16D 30.17 C 30.18D 30.19D 30.20 B 30.21D 30.22 A 30.23 C 30.24 C 30.25 B 30.26 B 30.27 A 30.28 C 30.29 C 30.30 B 30.31D 30.32 C 30.33 B 30.34D 30.35 C 30.36 B 


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