Drugs acting on CNS – All CNS topics EXCEPT NSAIDs Last updated: 2024/04/15 at 6:45 PM Pharmacology Mentor 148 Views Share 0 Min Read SHARE Welcome to your Drugs acting on CNS - All CNS topics EXCEPT NSAIDs All of the following are CNS stimulants except: Cocaine Benzodiazepines Methylphenidate Amphetamines 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 Rave drug is? Cocaine Cannabis Amphetamine Heroin 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? Promethazine Clonazepam Haloperidol Lithium None Drug used in day care anaesthesia is: Thiopentone Propofol Enflurane Xenon None Both barbiturates and salicylates are maximally absorbed in stomach because: They are weakly basic and so highly ionised in stomach They are highly basic and so less isonized in stomach They are highly acidic and are highly ionised in stomach They are weakly acidic and do not ionise in stomach 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 Buprenorphine IV naloxone Oral natrexone Oral diazepam None Which one of the following drug is contraindicated in acute myocardial infarction: Beta blockers Nitroglycerin Pentazocine Morphine None Dissociative anesthesia is seen on administration of: Ketamine Enflurane Halothane Ether None Which of the following does not have analgesic action: Morphine Halothane Ketamine Ether None True statement regarding Bupivacaine is: More cardiotoxic than lignocaine Contraindicated in pregnancy Used intravenously along with lignocaine None Methemoglobinemia is caused by: Bupivacaine Ropivacaine Prilocaine Procaine None Which of the following local anaesthetics belongs to the ester group? Mepivacaine Procaine Bupivacaine Lignocaine None Which one of the following drug is used in Alzheimer’s disease? Methylphenidate Donepezil Pemoline Doxapram 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 Seizure Tardive dyskinesia Akathisia 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? Fluoxetine Fluvoxamine Sertraline Paroxetine None The effect of thiopentone on the CNS is quickly terminated because of: Rapid metabolism in the CNS Quick first-pass elimination Redistribution Rapid metabolism in systemic circulation 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? Diazepam poisoning Methanol poisoning Ethylene glycol poisoning Ethanol poisoning None Opium is a derivative of: Datura stromonium Papaver somniferum Nicotiana tobacum Solanum tuberosum None Which of the following drugs is contra-indicated in acute intermittent porphyria? Etomidate Thiopentone Propofol Midazolam None Nitrous oxide is contraindicated in patients with pneumothorax, pneumopericardium or intestinal obstruction, because it: Depresses an already compromised myocardium Is less soluble than nitrogen Causes the expansion of air filled body cavities Permits the use of limited FIO2 only None Which of the following drug should not be given along with levodopa: MAO inhibitors Vitamin B complex Carbidopa Benserazide 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 A 5 years old child is suffering from cyanotic heart disease. He is planned for corrective surgery. The induction agent of choice would be: Halothane Thiopentone Ketamine Midazolam None Local anaesthetic used as an antiarrhythmic agent is: Lignocaine Chlorprocaine Cocaine Bupivacaine None Which of the following abolishes the therapeutic effect of levodopa? Carbidopa Pyridoxine Benzerazide Thiamine None Which of the following is least narcotic opioid? Codeine Morphine Heroin Papaverine None Neural tube defect is an adverse effect of: Phenytoin Diazoxide Valproate Carbamazepine None A newborn developed respiratory depression in a postoperative ward. It can result from the use of? Heparin Opioid Propofol Furosemide None Buprenorphine is: Full Agonist at mu Receptor Full Agonist at k receptor Partial agonist at mu Receptor Partial agonist at k Receptor None Which of the following intravenous anesthetic agents is contraindicated in epileptic patients posted for general anesthesia? Propofol Ketamine Midazolam Thiopentone None Granulocytopenia, gingival hyperplasia and facial hirsutism are all possible side effects of one of the following anticonvulsant drugs? Phenytoin Valproate Phenobarbitone Carbamazepine None Which one of the following drugs is used to treat status epilepticus? Sodium valporate Diazepam Primidone Carbamazepine None In alcohol withdrawal, drug of choice is: Buspirone TFP Chlormethazole Chlordiazepoxide None Drug of choice for Trigeminal neuralgia is: Phenytoin Valproic acid Phenobabitone Carbamazepine None The disulfiram alcohol reaction occurs due to inhibition of which enzyme: Aldehyde reductase Alcohol dehydrogenase Alcohol reductase Aldehyde dehydrogenase 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 central side effects of L-Dopa To decrease effectiveness of L-Dopa None Tolerance develops to all of the following actions of opioids except: Analgesia Miosis Nausea and vomiting Euphoria 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: Halothane Sodium Thiopentone Fentanyl Ketamine None From which of the following routes, absorption of local anaesthetic is maximum? Epidural Brachial Caudal Intercostal None Fetal hydantoin syndrome is seen if following drug is used in pregnancy? Phenobarbitone Phenytoin Alcohol Ethosuximide None Disulfiram like reaction is not seen with: Disulfiram Cefoperazone Amoxicillin Metronidazole None Peripheral vasospasm is observed with which of the following anti- Parkinsonian drugs? Entacapone Levodopa Bromocriptine Ropinirole 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 Antidote of methyl alcohol poisoning is: Lamotrigne Phenytoin Fomepizole Barbiturate None Which of the following is 100 times more potent than morphine? Fentanyl Meperidine Pentazocin Pethidine None An addict presents with increased sweating, lacrimation, diarrhea, yawning and rhinorrhea. These symptoms may occur due to withdrawal of: Cannabis Cocaine Alcohol Heroin None The drug of choice to control convulsions in eclampsia is: Phenytoin Magnesium sulphate Pethidine Diazepam None In which of the following disorders, administration of barbiturates is contraindicated? Anxiety disorders Kernicterus Refractory status epilepticus Acute intermittent porphyria None Which among the following drug is contra-indicated in renal failure? Fentanyl Atracurium Pethidine Morphine 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? Continue the medication for another 3 years Decrease the dose of levetiracetam Taper the drug over 6 months Stop the drug and start another antiepileptic None Drug used for cessation of smoking are all EXCEPT: Varenecilline Nicotine Buspirone Bupropion None Which of the following drugs is used worldwide for the maintenance therapy of opioid dependence? Naltrexone Methadone Pethidine L-NAME None A patient of Parkinsonism is managed with levodopa. If Vitamin B complex is administered concurrently to the patient: Decreased efficacy will result Side effects will be ameliorated The action of levodopa in brain will be potentiated Decarboxylation of l-dopa in brain will be decreased None Inverse agonist of benzodiazepine receptor is: Flumazenil Phenobarbitone Beta carboline Gabapentin 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 Pentazocine Fentanyl Buprenorphine None Drug of choice for prophylaxis of mania is: Lithium Clozapine Haloperidol Carbamazepine None What is the drug of choice for Obsessive Compulsive Disorder? Alprazolam Fluoxetine Benzodiazepines Imipramine 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? Propofol Ketamine Etomidate Midazolam None A person taking tricyclic antidepressants presents with blurred vision and dry mouth. These adverse effects result due to blockade of: H1 histamine receptors GABAA receptors M3 muscarinic receptors 5HT2 receptors None Which is a treatment of juvenile myoclonic epilepsy in pregnancy? Phenytoin Vigabatrin Levetiracetam Carbamazepine None Which of the following agents enhances the bioavailability of levodopa in patients with Parkinson’s disease: Selegiline Ropinirole Amantadine Entacapone None The specific antidote for benzodiazepine poisoning is: Naloxone Fomepizole Flumazenil Pralidoxime 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? Spinal anaesthesia General anaesthesia with intravenous propofol General anaesthesia with intravenous ketamine Epidural anaesthesia None Drug of choice in drug induced parkinsonism is: Benzhexol Carbidopa Amantidine Levodopa None The most important feature of the following opioid analgesic is high oral parenteral activity ratio (1:2): Oxymorphine Methadone Diacetylmorphine Morphine None Profound analgesia is produced by which parenteral anesthetic? Propofol Ketamine Etomidate Thiopental None The drug of choice in treatment of infantile spasms is: Phenobarbitone Phenytoin ACTH/vigabatrin Carbamazepine None Characterstic features of opioid withdrawal is: Rhinorrhea and lacrimation Seizures Delirium Tremors Transient visual, tactile or auditory hallucinations None Shortest acting benzodiazepine is: Midazolam Diazepam Alprazolam Lorazepam None Which of the following has least extrapyramidal side effect: Fluphenazine Flupenthioxol Haloperidol Clozapine None Which of the following compounds acts as a benzodiazepine antagonist? Furazolidone Naltrexone Flumazenil Naloxone 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: Chlordiazepoxide Naltrexone Disulfiram Acamprosate None One of the following is not true about melatonin: Is a pineal hormone Induces sleep Is secreted by pituitary Used in treatment of jet lag syndrome None A female in labor ward was administered opioid analgesic. Which of the following drugs should be kept ready for emergency? Fentanyl Naloxone Lignocaine Diphenhydramine None Opioid analgesic used in treatment of cough is? Meperidine Codeine Diphenoxylate Loperamide None Time's upTime is 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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