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Medical Toxicology Multiple Choice Question And Answers

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General Considerations Of Poisoning MCQ’s

Question 1. Stomach wash is absolutely contraindicated in the following, except:

  1. Sulfuric acid
  2. Liquid hydrocarbons
  3. Carbolic acid
  4. Caustic soda

Answer: 3. Carbolic acid

Read And Learn More: Forensic Medicine And Toxicology Multiple Choice Question And Answers

Question 2. The following are normal constituents of a ‘coma cocktail’ except:

  1. Thiamine
  2. Physostigmine
  3. Naloxone
  4. Dextrose

Answer: 2. Physostigmine

Question 3. Gastric lavage is contraindicated in poisoning with:

  1. Carbolic acid
  2. OPC
  3. Salicylates
  4. Kerosene

Answer: 4. Kerosene

Question 4. Universal antidote includes all the following except:

  1. Activated charcoal
  2. Magnesium oxide
  3. Sodium sulfate
  4. Tannic acid

Answer: 3. Sodium sulfate

Question 5. True about formalin:

  1. Used as a preservative in alcohol poisoning
  2. Never used as a preservative for chemical analysis
  3. Used as preservative only in digitalis poisoning
  4. Used as a preservative for any plant poisoning

Answer: 2. Never used as a preservative for chemical analysis

Question 6. The minimum quantity of blood to be preserved for chemical analysis is:

  1. 10 mL
  2. 25 mL
  3. 50 mL
  4. 100 mL

Answer: 4. 100 mL

Question 7. In suspected Nux vomica poisoning the following is required to be preserved:

  1. Muscle
  2. Heart
  3. Spinal cord
  4. Long bones

Answer: 3. Spinal cord

Question 8. The smell of bitter almonds is noticed in poisoning due to:

  1. HCl
  2. HCN
  3. H2SO4
  4. HNO3

Answer: 2. HCN

Question 9. The functions of FSL include:

  1. Examination and evaluation of physical evidence to identify the criminal
  2. Protection of innocent people
  3. Training police officers
  4. All of the above

Answer: 4. All of the above

Question 10. The organ to be preserved in volatile organic poisons:

  1. Bone
  2. Brain
  3. Lung
  4. Heart

Answer: 2. Brain

Question 11. On autopsy shows signs of asphyxia in which of the following poisons:

  1. Strychnine
  2. Aconite
  3. Nicotine
  4. All of the above

Answer: 4. All of the above

Question 12. In which of the following poisoning hemodialysis is useful:

  1. Salicylates
  2. Lithium
  3. Diazepam
  4. Organophosphorus compounds

Answer: 1. Salicylates

Question 13. Specimens for toxicological (Chemical) analysis are preserved using:

  1. Rectified spirit
  2. Alcohol
  3. 10% Formaldehyde
  4. Saturated solution of sodium chloride

Answer: 4. Saturated solution of sodium chloride

Question 14. Bluish-green postmortem staining is present in:

  1. Hydrogen sulfide
  2. Carbon monoxide
  3. Cyanide
  4. Phosphorus

Answer: 1. Hydrogen sulfide

Agricultural Poisons MCQs

Question 1. The complication usually observed on 3rd day with organophosphate poisoning is:

  1. Ventricular arrhythmias
  2. Intermediate syndrome
  3. Peripheral neuropathy
  4. Guillain-Barre syndrome

Answer: 2. Intermediate syndrome

Question 2. OPC poisoning is characterized by all, except:

  1. Pulmonary edema
  2. Pin point pupil
  3. Constipation
  4. Vomiting

Answer: 3. Constipation

Question 3. Aryl group of organophosphorus is:

  1. Folidol
  2. Malathion
  3. Diazinon
  4. Parathion

Answer: 2. Malathion

Question 4. Zinc phosphide is a:

  1. Respiratory poison
  2. Cardiac poison
  3. GI poison
  4. CNS poison

Answer: 1. Respiratory poison

Corrosive Poisons MCQs

Question 1. The following terms denote chronic poisoning syndrome, except:

  1. Iodism
  2. Bromism
  3. Plumbism
  4. Carbolism

Answer: 4. Carbolism

Question 2. Antidote for oxalic acid poisoning is:

  1. BAL
  2. Animal charcoal
  3. Calcium gluconate
  4. Magnesium

Answer: 3. Calcium gluconate

Question 3. Perforation of the stomach is more common in:

  1. Nitric acid
  2. Sulfuric acid
  3. Hydrochloric acid
  4. Acetic acid

Answer: 2. Sulfuric acid

Question 4. One of the following is used as an ink remover solution:

  1. Carbolic acid
  2. Acetic acid
  3. Sulfuric acid
  4. Oxalic acid

Answer: 4. Oxalic acid

Question 5. The antidote for mineral acid poisoning:

  1. Sodium bicarbonate
  2. Sodium hydroxide
  3. Sodium chloride
  4. Magnesium oxide

Answer: 4. Magnesium oxide

Question 6. In sulfuric acid poisoning, all the following are seen, except:

  1. Dryness of mouth
  2. Damaged tongue
  3. Chalky white teeth
  4. Swollen tongue with white coating

Answer: 4. Swollen tongue with white coating

Question 7. Which of the following corrosive poisoning causes brown discoloration of gastric mucosa?

  1. Sulfuric acid
  2. Nitric acid
  3. Hydrochloric acid
  4. All of the above

Answer: 1. Sulfuric acid

Metallic And Inorganic Irritants MCQs

Question 1. The following type of poisoning retards the decomposition of the body:

  1. Arsenic
  2. Copper
  3. Mercury
  4. Nux vomica

Answer: 1. Arsenic

Question 2. Which one of the following poisoning causes basophilic stippling of RBC?

  1. Arsenic
  2. Lead
  3. Mercury
  4. Phosphorus

Answer: 2. Lead

Question 3. The earliest sign of chronic lead poisoning:

  1. Lead lines
  2. Lead palsy
  3. Anemia and facial pallor
  4. Lead encephalopathy

Answer: 3. Anemia and facial pallor

Question 4. Changes in the anterior lens capsule, coarse tremors, and skin eruptions are diagnostic of chronic poisoning by:

  1. Mercury
  2. Lead
  3. Antimony
  4. Copper

Answer: 1. Mercury

Question 5. “Phossy jaw” is caused by:

  1. Lead
  2. Mercury
  3. White phosphorus
  4. Red phosphorus

Answer: 3. White phosphorus

Question 6. One of the poisons can be detected even from burnt bones:

  1. OPC
  2. Antimony
  3. Lead
  4. Arsenic

Answer: 4. Arsenic

Question 7. Arsenic acts by:

  1. Inhibition of choline esterase enzyme
  2. Preventing action of cytochrome oxidase
  3. Combining with sulfhydryl enzymes
  4. None of the above

Answer: 3. Combining with sulfhydryl enzymes

Question 8. The burtonian line is seen in chronic poisoning with:

  1. Arsenic
  2. Lead
  3. Mercury
  4. Copper

Answer: 2. Lead

Question 9. The blackfoot disease is due to chronic exposure due to:

  1. Arsenic
  2. Antimony
  3. Copper
  4. Zinc

Answer: 1. Arsenic

Question 10. Smoky stool syndrome is characteristically seen in poisoning with:

  1. Iodine
  2. Bromine
  3. Fluorine
  4. Phosphorus

Answer: 4. Phosphorus

Question 11. The triad of alopecia, neuropathy, and diarrhea results from:

  1. Thallium
  2. Mercury
  3. Datura
  4. Opium

Answer: 1. Thallium

Question 12. The most common symptom of thallium poisoning is:

  1. Headache
  2. Neuropathy
  3. Visual disturbance
  4. Abdominal pain

Answer: 3. Visual disturbance

Question 13. Marsh test is done to detect:

  1. Nickel
  2. Mercury
  3. Arsenic
  4. Lead

Answer: 3. Arsenic

Question 14. Cholera-like diarrhea is seen in poisoning with:

  1. Copper
  2. Mercury
  3. Lead
  4. Arsenic

Answer: 4. Arsenic

Question 15. Mees’ lines are seen in chronic poisoning with:

  1. White phosphorus
  2. Mercury
  3. Arsenic
  4. Lead

Answer: 3. Arsenic

Question 16. Which of the following finding is more specific for arsenic poisoning?

  1. The red velvety appearance of stomach mucosa
  2. Tremors
  3. Anemia
  4. The blue lining of gums

Answer: 1. Red velvety appearance of stomach mucosa

Question 17. All the following are symptoms of acute arsenic poisoning, except:

  1. Tenesmus
  2. Red velvety gastric mucosa
  3. Acute tubular necrosis
  4. Raindrop pigmentation

Answer: 4. Rain drop pigmentation

Question 18. Antidote for arsenic is:

  1. Nickel oxide
  2. Ferric oxide
  3. Aluminum oxide
  4. Magnesium oxide

Answer: 2. Ferric oxide

Question 19. Abdominal colic is a symptom of poisoning with:

  1. Arsenic
  2. Lead
  3. Opium
  4. Mercury

Answer: 2. Lead

Organic Irritant Poisons MCQs

Question 1. The following plant poisons do not have specific antidotes, except:

  1. Calotropis
  2. Ricinus communis
  3. Datura
  4. Croton

Answer: 3. Datura

Question 2. One of the following toxalbumin is used as a terrorist weapon:

  1. Ricin
  2. Abrin
  3. Croton
  4. Chilly

Answer: 1. Ricin

Question 3. One of the following plants is an ideal cattle poison:

  1. Nerium forum
  2. Calotropis
  3. Abrus precatorius
  4. Cerbera Thevetia

Answer: 2. Abrus precatorius

Question 4. The active principal in Calotropis is all, except:

  1. Calotoxin
  2. Calactin
  3. Uscharin
  4. Bhilawanol

Answer: 4. Bhilawanol

Question 5. Artificial bruise is commonly seen in which of the following irritant poison:

  1. Calotropis
  2. Semecarpus anacardium
  3. Abrus precatorius
  4. Capsicum annum

Answer: 2. Semecarpus anacardium

Question 6. The anti-snake venom available in India is effctive against the following snakes, except:

  1. Russell viper
  2. Cobra
  3. Krait
  4. Coral snake

Answer: 4. Coral snake

Question 7. Russel’s viper snake venom is similar to the poisoning of [TN 2006]:

  1. Abrus precatorius
  2. Semecarpus anacardium
  3. Ricinus communis
  4. Datura stramonium

Answer: 1. Abrus precatorius

Question 8. All of the snake poisons are neurotoxic except:

  1. Cobra
  2. Krait
  3. Viper
  4. Scorpion

Answer: 3. Viper

Neurotoxic Poisons MCQs

Question 1. Carphologia is seen in:

  1. Abrus precatorius
  2. Calotropis procera
  3. Datura niger
  4. Ricinus communis

Answer: 3. Datura niger

Question 2. One of the following is a stupefying agent:

  1. Atropine
  2. Aconite
  3. Datura
  4. Nerium

Answer: 3. Datura

Question 3. Strychnine acts at:

  1. Anterior horn cells
  2. Posterior horn cells
  3. Reflex vagal inhibition
  4. Brain stem

Answer: 1. Anterior horn cells

Question 4. Automatism is typically seen in:

  1. Barbiturates
  2. Cocaine
  3. Choral hydrate
  4. Opium

Answer: 1. Barbiturates

Question 5. Nalorphine is used as an antidote in:

  1. Strychnine
  2. Barbiturates
  3. Opium
  4. Cocaine

Answer: 3. Opium

Question 6. In suspected Nux vomica poisoning the following is required to be preserved:

  1. Muscle
  2. Heart
  3. Spinal cord
  4. Long bones

Answer: 3. Spinal cord

Question 7. One of the following is known as knockout drops:

  1. Chloroform
  2. Chloral hydrate
  3. Methyl alcohol
  4. Cocaine

Answer: 2. Chloral hydrate

Question 8. The following is used for stomach wash in Datura poisoning:

  1. Potassium permanganate
  2. Lime water
  3. Glycerol
  4. Any of the above can be used

Answer: 1. Potassium permanganate

Question 9. Coma and pinpoint pupil are seen in poisoning due to:

  1. Alcohol
  2. Carbolic acid
  3. Opium
  4. Parathion

Answer: 3. Opium

Question 10. Optic atrophy is a characteristic feature of ___________ poisoning.

  1. Lead
  2. Phosphorus
  3. Ethyl alcohol
  4. Methyl alcohol

Answer: 4. Methyl alcohol

Question 11. The organ to be preserved in volatile organic poisons:

  1. Bone
  2. Brain
  3. Lung
  4. Heart

Answer: 2. Brain

Question 12. Treatment of opium poisoning includes all except:

  1. Stomach wash
  2. Purgatives
  3. Naloxone
  4. Digitalis

Answer: 4. Digitalis

Question 13. Datura poisoning is characterized by all except:

  1. Constricted pupil
  2. Dilated pupil
  3. Dysphagia
  4. Dryness of mouth and throat

Answer: 1. Constricted pupil

Question 14. A drug that inhibits aldehyde dehydrogenase is:

  1. Phenytoin
  2. Valproate
  3. Disulfiam
  4. Erythromycin

Answer: 3. Disulfiam

Question 15. The active component of Ganja includes:

  1. Tetrahydrocannabinol
  2. LSD
  3. Ethyl alcohol
  4. N Methyl tryptophan

Answer: 1. Tetrahydrocannabinol

Question 16. McEwan’s sign is characteristically seen in:

  1. Alcoholic coma
  2. Hepatic encephalopathy
  3. Carbon monoxide poisoning
  4. Classifying medicolegal aspects of wounds

Answer: 1. Alcoholic coma

Question 17. Tactile hallucinations are noticed in:

  1. Parkinsonism
  2. Chronic depression
  3. Chronic cocaine poisoning
  4. Acute barbiturate poisoning

Answer: 3. Chronic cocaine poisoning

Question 18. In strychnine poisoning, there is the following feature of the muscles in between the convulsive seizures:

  1. Rigidity
  2. Fasciculations
  3. Relaxation
  4. All

Answer: 3. Relaxation

Cardiac Poisons MCQs

Question 1. On autopsy shows signs of asphyxia in which of the following poisons:

  1. Strychnine
  2. Aconite
  3. Nicotine
  4. All of the above

Answer: 4. All of the above

Question 2. One of the following is not a cardiac poison:

  1. Aconite
  2. Curare
  3. Oleander
  4. Nicotine

Answer: 2. Curare

Question 3. Hippus occurs in ______ Poisoning.

  1. Opium
  2. Curare
  3. Aconite
  4. Datura

Answer: 3. Aconite

 

Asphyxiants MCQs

Question 1. Cherry red postmortem staining is seen in Poisoning with:

  1. Cyanide
  2. Carbon dioxide
  3. Carbon monoxide
  4. Phosphine gas

Answer: 3. Carbon monoxide

Question 2. Bluish-green postmortem staining is seen in:

  1. Hydrogen sulfide
  2. Carbon monoxide
  3. Hydrogen cyanide gas
  4. Phosphorus

Answer: 1. Hydrogen sulfide

Question 3. Treatment of carbon monoxide poisoning is:

  1. Ascorbic acid
  2. Intravenous methylene blue
  3. 100% Oxygen
  4. None of the above

Answer: 3. 100% Oxygen

Question 4. Cyanide inhibits

  1. Sulfhydryl group of enzymes
  2. Cytochrome oxidase
  3. Pyruvate kinase
  4. Acetylcholine

Answer: 2. Cytochrome oxidase

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