Drugs acting on CNS – All CNS topics EXCEPT NSAIDs Last updated: 2024/04/15 at 6:45 PM Pharmacology Mentor 147 Views Share 0 Min Read SHARE Welcome to your Drugs acting on CNS - All CNS topics EXCEPT NSAIDs Which one of the following drugs is used to treat status epilepticus? Carbamazepine Primidone Diazepam Sodium valporate None The drug of choice in treatment of infantile spasms is: Phenytoin Carbamazepine Phenobarbitone ACTH/vigabatrin None Characterstic features of opioid withdrawal is: Delirium Tremors Seizures Transient visual, tactile or auditory hallucinations Rhinorrhea and lacrimation None Inverse agonist of benzodiazepine receptor is: Beta carboline Gabapentin Phenobarbitone Flumazenil None Fetal hydantoin syndrome is seen if following drug is used in pregnancy? Phenobarbitone Phenytoin Alcohol Ethosuximide None Tolerance develops to all of the following actions of opioids except: Nausea and vomiting Miosis Euphoria Analgesia None Both barbiturates and salicylates are maximally absorbed in stomach because: They are highly basic and so less isonized in stomach They are highly acidic and are highly ionised in stomach They are weakly basic and so highly ionised in stomach They are weakly acidic and do not ionise in stomach None Lithium is used in a pregnant woman. Which of the following congenital anomaly occurs in the fetus? Pulmonary stenosis Bicuspid atresia Tetralogy of Fallot Ebstein’s anomaly None A patient of Parkinsonism is managed with levodopa. If Vitamin B complex is administered concurrently to the patient: Decarboxylation of l-dopa in brain will be decreased The action of levodopa in brain will be potentiated Side effects will be ameliorated Decreased efficacy will result None Granulocytopenia, gingival hyperplasia and facial hirsutism are all possible side effects of one of the following anticonvulsant drugs? Carbamazepine Valproate Phenytoin Phenobarbitone None One of the following is not true about melatonin: Used in treatment of jet lag syndrome Is a pineal hormone Is secreted by pituitary Induces sleep None Drug of choice for prophylaxis of mania is: Haloperidol Carbamazepine Clozapine Lithium None The drug of choice to control convulsions in eclampsia is: Phenytoin Magnesium sulphate Diazepam Pethidine None Which of the following local anaesthetics belongs to the ester group? Lignocaine Mepivacaine Procaine Bupivacaine None Disulfiram like reaction is not seen with: Cefoperazone Disulfiram Metronidazole Amoxicillin None The disulfiram alcohol reaction occurs due to inhibition of which enzyme: Aldehyde dehydrogenase Alcohol reductase Alcohol dehydrogenase Aldehyde reductase None A newborn developed respiratory depression in a postoperative ward. It can result from the use of? Opioid Furosemide Propofol Heparin None Which among the following drug is contra-indicated in renal failure? Atracurium Pethidine Morphine Fentanyl None Nitrous oxide is contraindicated in patients with pneumothorax, pneumopericardium or intestinal obstruction, because it: Is less soluble than nitrogen Causes the expansion of air filled body cavities Permits the use of limited FIO2 only Depresses an already compromised myocardium None A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects result due to blockade of: 5HT2 receptors H1 histamine receptors M3 muscarinic receptors GABAA receptors None The effect of thiopentone on the CNS is quickly terminated because of: Rapid metabolism in the CNS Rapid metabolism in systemic circulation Quick first-pass elimination Redistribution None From which of the following routes, absorption of local anaesthetic is maximum? Epidural Intercostal Caudal Brachial None The specific antidote for benzodiazepine poisoning is: Flumazenil Fomepizole Naloxone Pralidoxime None Peripheral vasospasm is observed with which of the following anti- Parkinsonian drugs? Bromocriptine Levodopa Entacapone Ropinirole None Which of the following is 100 times more potent than morphine? Pethidine Pentazocin Meperidine Fentanyl None Opioid analgesic used in treatment of cough is? Meperidine Loperamide Diphenoxylate Codeine None Which of the following drugs is used worldwide for the maintenance therapy of opioid dependence? L-NAME Pethidine Naltrexone Methadone None A 5 years old child is suffering from cyanotic heart disease. He is planned for corrective surgery. The induction agent of choice would be: Thiopentone Halothane Midazolam Ketamine None A patient with ruptured spleen is taken for laparotomy. His blood pressure is 80/50 and heart rate is 125/min. Induction agent of choice for this patient is: Ketamine Sodium Thiopentone Fentanyl Halothane None A 30 year old female, married since one year, presents to the psychiatry clinic with hyperactivity since 2 weeks. A diagnosis of mania is made. She had 3 prior episodes of mania in last 5 years and every time after taking medication she goes to premorbid state. Her urine pregnancy test is positive. Which is the preferred drug for management of this patient? Haloperidol Promethazine Clonazepam Lithium None Which one of the following drug is used in Alzheimer’s disease? Methylphenidate Donepezil Pemoline Doxapram None Drug of choice for Trigeminal neuralgia is: Valproic acid Phenytoin Phenobabitone Carbamazepine None Which of the following drugs is contra-indicated in acute intermittent porphyria? Thiopentone Propofol Midazolam Etomidate None Which of the following intravenous anesthetic agents is contraindicated in epileptic patients posted for general anesthesia? Thiopentone Propofol Midazolam Ketamine None A 30-year old epileptic female, Kamla on phenytoin therapy, developed weakness and fatigue. Blood examination revealed Hb = 4.6 gm. MCV = 102 fl and MCH = 40 pg/dl. What is the most probable diagnosis? Heart failure Phenytoin induced agranulocytosis Megaloblastic anemia Iron deficiency anemia None Shortest acting benzodiazepine is: Lorazepam Alprazolam Midazolam Diazepam None A 65 years old male presented to a hospital with focal seizures. His renal function was normal. Which of the following is the drug of choice for this patient? Levetiracetam Pregbalin Valporate Oxcarbazepine None Antidote of methyl alcohol poisoning is: Barbiturate Phenytoin Lamotrigne Fomepizole None True statement regarding Bupivacaine is: Used intravenously along with lignocaine Contraindicated in pregnancy More cardiotoxic than lignocaine None Buprenorphine is: Partial agonist at k Receptor Full Agonist at k receptor Partial agonist at mu Receptor Full Agonist at mu Receptor None A patient of depression is stabilized on selective serotonin reuptake inhibitor (SSRI). This group of drugs produced withdrawal symptoms when stopped. Which of the following drugs has minimum risk of causing drug discontinuation symptoms? Paroxetine Fluoxetine Fluvoxamine Sertraline None A 32-year-old male is a known hypertensive and is being planned for cholecystectomy. Which of the following anaesthetic agents is contraindicated in this person? Ketamine Midazolam Etomidate Propofol None Dissociative anesthesia is seen on administration of: Ketamine Ether Enflurane Halothane None Which of the following agents enhances the bioavailability of levodopa in patients with Parkinson’s disease: Selegiline Entacapone Ropinirole Amantadine None An addict presents with increased sweating, lacrimation, diarrhea, yawning and rhinorrhea. These symptoms may occur due to withdrawal of: Alcohol Heroin Cannabis Cocaine None Profound analgesia is produced by which parenteral anesthetic? Ketamine Propofol Etomidate Thiopental None Which of the following is least narcotic opioid? Heroin Codeine Morphine Papaverine None Which of the following drug should not be given along with levodopa: Benserazide Vitamin B complex Carbidopa MAO inhibitors None The most important feature of the following opioid analgesic is high oral parenteral activity ratio (1:2): Diacetylmorphine Methadone Oxymorphine Morphine None Which of the following does not have analgesic action: Ketamine Morphine Ether Halothane None In which of the following disorders, administration of barbiturates is contraindicated? Kernicterus Anxiety disorders Acute intermittent porphyria Refractory status epilepticus None Methemoglobinemia is caused by: Bupivacaine Procaine Prilocaine Ropivacaine None A patient of schizophrenia was started on haloperidol 5 mg. Next day, he presented with uprolling of eyes. Complete neurological examination revealed no spasticity or any other abnormality. Visual acuity and opthalmoscopic findings are normal. Most likely diagnosis is: Acute dystonia Tardive dyskinesia Akathisia Seizure None In alcohol withdrawal, drug of choice is: Chlormethazole Chlordiazepoxide TFP Buspirone None A female presents with placenta previa with active bleeding and blood pressure of 80/50 mm Hg and pulse rate of 140 bpm. The choice of anaesthesia for emergency cesarean section in this female is? General anaesthesia with intravenous ketamine Spinal anaesthesia Epidural anaesthesia General anaesthesia with intravenous propofol None A person consumes large quantities of alcohol daily since 20 years. He is physically dependent on alcohol. Drug that should not be given to this person is: Acamprosate Naltrexone Chlordiazepoxide Disulfiram None All of the following are CNS stimulants except: Cocaine Methylphenidate Amphetamines Benzodiazepines None Which one of the following drug is contraindicated in acute myocardial infarction: Nitroglycerin Beta blockers Pentazocine Morphine None Neural tube defect is an adverse effect of: Carbamazepine Diazoxide Phenytoin Valproate None A patient presented with pain in the right lower quadrant of abdomen. He has history of renal stones in right kidney. He was prescribed an opioid which is agonist at kappa receptors and antagonist at mu receptors. The likely drug given was: Tramadol Fentanyl Buprenorphine Pentazocine None Local anaesthetic used as an antiarrhythmic agent is: Lignocaine Cocaine Chlorprocaine Bupivacaine None What is the drug of choice for Obsessive Compulsive Disorder? Benzodiazepines Alprazolam Fluoxetine Imipramine None A female in labor ward was administered opioid analgesic. Which of the following drugs should be kept ready for emergency? Fentanyl Diphenhydramine Lignocaine Naloxone None Which of the following has least extrapyramidal side effect: Fluphenazine Haloperidol Flupenthioxol Clozapine None Drug used for cessation of smoking are all EXCEPT: Nicotine Bupropion Varenecilline Buspirone None A patient presented with vomiting and ataxia. There were oxalate crystals in the urine. The patient was given ethanol and 4 methyl pyrazole for treatment. The likely diagnosis of the patient was? Ethanol poisoning Methanol poisoning Ethylene glycol poisoning Diazepam poisoning None An epileptic adult man is on levetiracetam 1 g twice a day therapy. He is seizure free for 2 years. Now, he started developing irritability, aggression and liability of mood that is affecting his daily life. What should the doctor do? Taper the drug over 6 months Stop the drug and start another antiepileptic Decrease the dose of levetiracetam Continue the medication for another 3 years None Drug of choice in drug induced parkinsonism is: Amantidine Benzhexol Carbidopa Levodopa None Which of the following compounds acts as a benzodiazepine antagonist? Flumazenil Naltrexone Furazolidone Naloxone None A young man is with known heroin addiction is brought in the emergency in unconscious state. On examination, the patient has decreased bowel sounds, depressed respiration and pin point pupil. The treatment of choice for this patient is: Oral diazepam Oral natrexone Oral Buprenorphine IV naloxone None Drug used in day care anaesthesia is: Thiopentone Enflurane Propofol Xenon None Which of the following abolishes the therapeutic effect of levodopa? Benzerazide Pyridoxine Thiamine Carbidopa None Opium is a derivative of: Datura stromonium Solanum tuberosum Nicotiana tobacum Papaver somniferum None Which is a treatment of juvenile myoclonic epilepsy in pregnancy? Levetiracetam Phenytoin Vigabatrin Carbamazepine None In treatment of Parkinsonism, L-Dopa is combined with carbidopa mainly: To increase crossing of L-Dopa through BBB To decrease the treatment duration To decrease effectiveness of L-Dopa To decrease central side effects of L-Dopa None Rave drug is? Heroin Cocaine Cannabis Amphetamine None Time's up Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always seek the advice of a healthcare provider with any questions regarding a medical condition. You Might Also Like PHAL6013 practice quiz -2 PHAL6013 practice questions Local Anesthetics Post Lab Quiz – MDSC2203-2023-24 Quiz on Antihyperlipidemics Quiz on Antihypertensives Sign Up For Daily NewsletterBe keep up! 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