MCQs on Toxicology - 19

1. ….. is not the content of lytic cocktail which is used in Scorpion sting treatment.

A) Chlopromazine 

B) Promethazine
C) Naloxone 

D) Pethidine

Answer: (C)

2.. “In Scorpion sting treatment” Alpha blockers are used to

A) Antagtonize the effect of catecholamines
B) Reduce preload, after load and blood pressure
C) Increase insulin secretion 

D) All of the above

Answer: (D)

3. Glue sniffer’s rash is seen in-

A) Phosphorus 

B) Lead
C) Volatile substance 

D) Hydrocarbons

Answer: (C)

4. After skin contamination, the patient passed into coma with miosis and finally acute nephritis, the poison is:

A) Oxalic acid 

B) Nitric acid
C) Hydrocyanic acid 

D) Carbolic acid

Answer: (C)

5. During post mortem exam odour of bitter almond is found in case of …….poisoning.

A) Hydrocyanic acid 

B) Nitric acid
C) Acetic acid 

D) Carbolic acid

Answer: (A)

6. Gastric lavage with 5% Sodium thiosulfate can be done in…….poisoning.

A) H2SO4 

B) HCL
C) HNO3 

D) HCN

Answer: (D)

7. Ophotoxemia refers to

A) Organophosphorous poisoning 

B) Heavy metal poisoning
C) Scorpion venom poisoning 

D) Snake venom poisoning

Answer: (D)

8. Elapidaes are

A) Vasculotoxic 

B) Neurotoxic
C) Musculotoxic 

D) Nontoxic

Answer: (B)

9. The most useful bedside test to suggest snake bite envenomation is

A) Prothrombin time 

B) 20 min whole blood clotting time
C) International normalized ratio 

D) Platelet count

Answer: (B)

10. Viper venom causes

A) Acute renal failure 

B) Dysphagia
C) Nerve paralysis 

D) Polycythemia

Answer: (A)

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MCQs on Toxicology - 18

1. Black gunpowder contains all of the following, except:

A) Potassium nitrate 

B) Lead peroxide
C) Charcoal 

D) Sulphur

Answer: (B)

2. In a firearm injury, blackening seen around the entry wound is due to:

A) Flame 

B) Smoke
C) Unburnt powder 

D) Hot gases

Answer: (B)

3. In a firearm injury, there is burning, blackening, tattooing around the wound, and is circular in shape, the injury is:

A) Close shot entry 

B) Close contact exit
C) Contact shot entry 

D) Distant shot entry

Answer: (A)

4 Parkland formula for burns is for:

A) Ringer lactate 

B) Glucose saline
C) Normal saline 

D) 25% dextrose

Answer: (A)

5. Paradoxical undressing is seen in:

A) Hyperthermia 

B) Hypothermia
C) Transvestism 

D) Immersion syndrome

Answer: (B)

6. Postmortem findings showing combination of intense lividity of the face approaching blackness and oedema of lungs are the hallmark of.…..…poisoning.

A) opium 

B) aconite
C) strychnine 

D) abrin

Answer: (A)

7. The exuding milk is collected from…….. of Papaver somniferum.

A) leaves 

B) stem
C) Ripened poppy capsules 

D) unripened poppy capsules

Answer: (D)

8. In opium poisoning, weight in limbs and diminution of sensibility is initially seen in ……..

A) stage of Excitement 

B) stage of Stupor
C) stage of Narcosis 

D) stage of Medullary paralysis

Answer: (B)

9. Pugilistic attitude is due to:

A) Lipolysis 

B) Protein coagulation
C) Carbohydrate coagulation 

D) Lipogenesis

Answer: (B)

10. Curling’s ulcer in burns is seen in:

A) Esophagus 

B) Stomach
C) Colon 

D) Duodenum

Answer: (D)

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MCQs on Toxicology - 17

1. Haematuria may occur in bite of

A) Krait 

B) Cobra
C) Viper 

D) Sea snake

Answer: (C)

2. ……. appearance is a specific sign of respired lung in PM finding of suspected case of infanticide.

A) Uniform reddish-brown 

B) Rosy coloured
C) Mottled 

D) Spongy

Answer: (C)

3. Rhabdovirus on reaching CNS leads to-

A) Encephalitis 

B) Myelitis
C) Parkinsonism 

D) Both A and B

Answer: (D)

4. IPC for grievous injury:

A) Sec. 420 

B) Sec. 320
C) Sec. 299 

D) Sec. 351

Answer: (B)

5 Grievous injury includes all, except:

A) Emasculation 

B) Loss of 15 days work
C) Permanent disfigurement 

D) Fracture of bones

Answer: (B)

6. Scab or crust of abrasion appears brown in:

A) 12-24 hr 

B) 2-3 days
C) 4-5 days 

D) 5-7 days

Answer: (B)

7. Brush burn is injury due:

A) Friction 

B) Electrocution
C) Steam 

D) Burns

Answer: (A)

8. The usual fatal dose of opium is……

A) 500 mg 

B) 20 mg
C) 5 gm 

D) 20 gm

Answer: (A)

9. Which of the following visha dravya doesnot come under NDPS Act ?

A) Opium 

B) Bhanga
C) Cocaine 

D) Tobacco

Answer: (D)

10. Incised wounds on genitalia:

A) Homicidal 

B) Suicidal
C) Accidental 

D) Self-inflicted

Answer: (A)

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MCQs on Toxicology - 16

1. Cherry red coloured Post-mortem staining is seen in…….poisoning

A) HCN 

B) NaCN
C) KCN 

D) CO

Answer: (A)

2. The rate of cooling in…..medium is maximum.

A) body in coffin 

B) water
C) Grave 

D) air

Answer: (B)

3. Feather test is performed for confirmation of stoppage of function of ……

A) Lungs 

B) Heart
C) Brain 

D) Liver

Answer: (A)

4. Causes of food Poisoning includes-

A) Plants 

B) Animals
C) Chemicals 

D) All

Answer: (D)

5. What are the causative agents of inflammatory diarrohea?

A) Shigella 

B) Salmonella
C) E.coli 

D) All

Answer: (D)

6. Which of the following is not the type of E.coli-

A) Enterotoxicogenic E. coli (ETEC)
B) Enterophysiologic E. coli (EPEC)
C) Enteroinvasive E. coli (EIEC)
D) Enterohaemorrhagic E. coli (EHEC)

Answer: (B)

7. Differential diagnosis of Neurine and Mydaleine poisoning does not include-

A) Aconite 

B) Muscarine
C) Strychnine 

D) Atropine

Answer: (C)

8. In Scorpion sting treatment” Calcium channel blockers are used for-

A) Vasoconstriction 

B) Reduction of coronary blood flow
C) Both A and B 

D) None

Answer: (D)

9. ……. is not seen in scorpion sting-

A) Cardiac arrhythmias 

B) Heart Burn
C) Hypertension 

D) Systolic dysfunction

Answer: (B)

10. LD50 of lerius quinquestriatus is-

A) 0.39mg 

B) 0.62mg
C) 0.25mg 

D) 0.50mg

Answer: (C)

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MCQs on Toxicology - 15

1. Cholinesterase is seen in venom of:

A) Elapids 

B) Vipers
C) Sea snakes 

D) All

Answer: (A)

2 ……...is responsible for spread of snake venom in body.

A) Serine proteases 

B) Hyaluronidase
C) Phospholipase A2 

D) Fibrinolysin

Answer: (B)

3. Napthalene toxicity if left untreated, leads to-

A) Jaundice 

B) Acute Nephritis
C) Optic Neuritis 

D) All

Answer: (D)

4. Magnesium sulphate is used for

A) Bowel emptying 

B) Induction of Emesis
C) Maintaining the Hydration 

D) None

Answer: (B)

5. In case of Napthalene poisoning, NaHCO3 is administered for

A) Maintaining the acidity of urine and preventing the precipitation of acid Haematin and blocking of Renal tubules
B) Maintaining the acidity of urine and preventing the precipitation of Uric acid and blocking the Renal Tubules
C) Maintaining the Alkalinity of urine and preventing the precipitation of acid Haematin and blocking of renal tubules
D) Maintaining of Alkalinity of urine and preventing the formation of Urea and blocking of calyx.

Answer: (C)

6. Hydrocortisone in Napthalene poisoning is useful for-

A) Pallor 

B) Haemolysis
C) Strangury 

D) Vomiting

Answer: (B)

7. Rhabdovirus is –

A) RNA virus 

B) Neurotrophic filtrable virus
C) Bullet shaped 

D) All

Answer: (D)

8. Pathway of Rhabdovirus in animals is-

A) From Mouth via afferent nerves to brain
B) From Brain via efferent nerves to Salivary Glands
C) From Salivary glands via afferent nerves to Brain
D) None

Answer: (B)

9. Pathogenesis of rabies in Human, bitten by a rabid animal takes place as-

A) From PNS to CNS via retrograde axonal transport
B) From CNS to PNS via anterograde axonal transport
C) From PNS to CNS via anterograde transport
D) From CNS to PNS via retrograde transport.

Answer: (A)

10. Hemp insanity sometimes results after chronic intoxication of…….

A) bhanga 

B) opium
C) tobacco 

D) alcohol

Answer: (A)

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MCQs on Toxicology - 14

1. As per Barcroft the pathological condition where available oxygen cannot beutilized by tissues is known as…..

A) Anoxic anoxia 

B) Stagnant anoxia
C) Anemic anoxia 

D) Histotoxic anoxia

Answer: (D)

2. In …..poisoning the tissue gets poisoned leading to extracellular histotoxic anoxia.

A) Chloroform 

B) Halothane
C) Cyanide 

D) Carbon dioxide

Answer: (C)

3. ..….. affects the entry of oxygen in the tissues due to decrease in cell membrane permeability.

A) Chloroform 

B) Carbon dioxide
C) cyanide 

D) Carbon monoxide

Answer: (A)

4. Hydrocarbons are classified as-

A) Sthavar 

B) Kritrim
C) Cerebral poison 

D) All

Answer: (D)

5. Which of the following is not the determinants of toxicity of Hydrocarbons?

A) Volatility 

B) Ductility
C) Viscosity 

D) Surface tension

Answer: (B)

6. Toxicity of Petroleum distillates is inversely proportional to-

A) Volatility 

B) Viscosity
C) Boiling Point 

D) Fluidity

Answer: (C)

7. Lethal dose of krait venom:

A) 3 mg 

B) 6 mg
C) 12 mg 

D) 15 mg

Answer: (B)

8. Most characteristic feature of elapidae snake envenomation:

A) Bleeding manifestation 

B) Rhabdomyolysis
C) Cardiotoxicity 

D) Neuro-paralytic symptoms

Answer: (D)

9. A girl, otherwise healthy, sleeping on the floor suddenly develops nausea, vomiting, abdominal pain, quadriplegia at night. Diagnosis is:

A) Guillain Barre syndrome 

B) Krait bite
C) Poliomyelitis 

D) Periodic paralysis

Answer: (B)

10. True of poisonous snakes are all, except:

A) Fangs present 

B) Belly scales are small
C) Small head scales 

D) Grooved teeth

Answer: (B)

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MCQs on Thanatology - 6

1. The most frequently found pattern of figure print is……

A) Loop 

B) Arch
C) Whorl 

D) Composite

Answer: (A)

2. Study of measurement of various parts of human body is called as……

A) Bertillon system 

B) Poroscopy
C) Galton system 

D) Podogram

Answer: (A)

3. With ……technique comparison of pores of two figure prints is studied.

A) Dactylography 

B) Birtillon’s system
C) Poroscopy 

D) Galton system

Answer: (C)

4. The raise in temperature after death is called as…..

A) Algor mortis 

B) Livor mortis
C) Postmortem caloricity 

D) Rigor mortis

Answer: (C)

5. The intraocular tension after death becomes nil after ….. hrs.

A) 1 hr 

B) 0.5hr
C) 1.5 hr 

D) 2hr

Answer: (D)

6. ……….is the earliest sign of death.

A) loss of ocular tension 

B) Changes in retina
C) Taches Noire Scleroitiques 

D) Haziness of cornea

Answer: (B)

7. The marked low blood pH can be detected during stage of …….

A) Primary relaxation 

B) Rigor mortis
C) secondary relaxation 

D) cadaveric spasm.

Answer: (B)

8. …. Scar marks are not used for identification purpose.

A) Pointed weapon injury 

(B) sharp weapon injury

C) vaccination surgical mark

D) All the above

Answer: (C)

9. The most favorable condition for development of mummification is……

A) hot and dry atmosphere 

B) hot and moist atmosphere
C) body submerged in water 

D) well ventilated room

Answer: (A)

10. ……..has evidential value of antemortem origin indicating last act before death.

A) Cadaveric spasm 

B) rigor mortis
C) heat stiffening 

D) cold stiffening

Answer: (A)

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MCQs on Thanatology - 5

1. Split laceration resembles:

A) Incised wound 

B) Abrasion
C) Gunshot wound 

D) Contusion

Answer: (A)

2. No color change is seen in sub-conjunctival hemorrhage due to:

A) Continuous CO2 supply 

B) Little amount of blood is present
C) Continuous O2 supply 

D) Color change occurs but not visible to naked eye

Answer: (C)

3. Hesitation cuts are seen in a case of:

A) Homicide 

B) Suicide
C) Accident 

D) Fall from height

Answer: (B)

4. Split lacerations are due to:

A) Blunt object 

B) Sharp object
C) Sharp heavy object 

D) Pointed object

Answer: (A)

5. In an incised wound, all of the following are true, except:

A) It has clean-cut margins 

B) Bleeding is generally less than in lacerations
C) Tailing is often present 

D) Length of injury does not correspond with length of blade

Answer: (B)

6. Frenzied desire on part of the victim of killing any person against whom he may have false or real enemity is……

A) risus sardonicus 

B) carphologia
C) delirium 

D) run amok

Answer: (D)

7. The cause of death in ‘café coronary’ case is ……

A) cardiac arrest due to vagal inhibition
B) Alcohol intoxication 
C) cardiac arrest by myocardial infarction
D) choking by swallowen food

Answer: (A)

8. The method of homicidal smothering and traumatic asphyxia is renowned as….

A) Lynching 

B) Café coronary
C) Burking 

D) Postural asphyxia

Answer: (C)

9. Pink colored Postmortem hypostasis is confined to head, neck and front of upper part of chest indicative of….. as cause of death.

A) Drowning 

B) Hanging
C) Traumatic asphyxia 

D) Postural asphyxia

Answer: (A)

10. Development of cutis anserina is a Post mortem finding seen in……

A) Drowning 

B) Thermal injury
C) Burking 

D) Hanging

Answer: (A)

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