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MCQs on Toxicology - 14

MCQs on Toxicology
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)