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Toxicology Questions and Answers
The percentage of oxygen which is indicated for carbon monoxide
poisoning to increase the conversion of carboxyhemoglobin to
hemoglobin and myoglobin and to increase oxygen saturation of
the plasma is:
a. 50%
b. 75%
c. 100%
d. 10%
Ans: c. 100%
A warfare gas:
a.phosgene
b.COCl2
c.sarin
d.all of the above
Ans: d.all of the above
Nail polish remover contain
a. aniline
b. ammonium hydroxide
c. acetone
d. phosphoric acid
Ans: c. acetone
Convulsions caused by drugs poisoning are most commonly
associated with:
a. Phenobarbital
b. diazepam
c. strychnine
d. chlorpromazine
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Ans: c. strychnine
Alkalinizing the urine with sodium bicarbonate is useful in the
treatment of poisoning with:
a. ASA and Salicylates
b. phencyclidine
c. amphetamines
d. morphine
Ans: a. ASA and Salicylates
Activated charcoal may be used in the treatment of these
poisoning, except:
a. Phenobarbital
b. propoxyphene
c. aspirin
d. methanol
Ans: d. methanol
These statements regarding carbon monoxide poisoning are true,
except:
a. the oxygen carrying capacity of the blood is decreased
b. the oxyhemoglobin dissociation curve becomes shifted to the
left, releasing less oxygen to the tissues
c. a carboxyhemoglobin level of less than 30% produces minimal
symptoms
d. treatment with 100% carbon dioxide is effective
Ans: d. treatment with 100% carbon dioxide is effective
Ototoxicity may be an adverse reaction of the following, except:
a. streptomycin
b. ethacrynic acid
c. furosemide
d. tetracyclines
Ans: d. tetracyclines
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Indivduals who are deficient in glucose-6-dehydrogenase
experience hemolysis the treatment with these drugs, except:
a. dapsone
b. ethacrynic acid
c. primaquine
d. tetracyclines
Ans: d. tetracyclines
Acute intermittent porphyria is an absolute contraindication to
the use of:
a. nitrous oxide
b. enflurane
c. ketamine
d. thiopental sodium
Ans: b. enflurane
A patient has resulted in acute hypertensive crisis after eating
cheese. This interaction is possible if the patient is on:
a. MAO inhibitor
b. aspirin
c. tetracyclines
d. all of the above
Ans: a. MAO inhibitor
Direct hepatotoxicity has been observed with the following
anesthetic agents:
a. halothane
b. nitrous oxide
c. thiopental
d. all of the above
Ans: a. halothane
It is used in the manufacture of smoke bomb, antiseborrheic
shampoos, in the treatment of bone fracture and rickets.
a. bismuth
b. boron
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c. cadmium
d. cesium
e. chromium
Ans: c. cadmium
Its deficiency mimics diabetes mellitus, it is found in brown sugar
and butter
a. bismuth
b. boron
c. camium
d. cesium
e. chromium
Ans: e. chromium
It is the poison found in rust and ink eradicator.
a. nitrite
b. naphthalene
c. oxalate
d. lead
e. mercury
Ans: c. oxalate
It is used in silvering of mirror and it causes metal line gum
a. bismuth
b. boron
c. cadmium
d. cesium
e. chromium
Ans: a. bismuth
It is used to preserve the color of meat in pickling.
a. nitrite
b. naphthalene
c. oxalate
d. lead
e. mercury
© 2025 All rights reserved
Toxicology Questions and Answers
The percentage of oxygen which is indicated for carbon monoxide
poisoning to increase the conversion of carboxyhemoglobin to
hemoglobin and myoglobin and to increase oxygen saturation of
the plasma is:
a. 50%
b. 75%
c. 100%
d. 10%
Ans: c. 100%
A warfare gas:
a.phosgene
b.COCl2
c.sarin
d.all of the above
Ans: d.all of the above
Nail polish remover contain
a. aniline
b. ammonium hydroxide
c. acetone
d. phosphoric acid
Ans: c. acetone
Convulsions caused by drugs poisoning are most commonly
associated with:
a. Phenobarbital
b. diazepam
c. strychnine
d. chlorpromazine
© 2025 All rights reserved
, 2 | Page
Ans: c. strychnine
Alkalinizing the urine with sodium bicarbonate is useful in the
treatment of poisoning with:
a. ASA and Salicylates
b. phencyclidine
c. amphetamines
d. morphine
Ans: a. ASA and Salicylates
Activated charcoal may be used in the treatment of these
poisoning, except:
a. Phenobarbital
b. propoxyphene
c. aspirin
d. methanol
Ans: d. methanol
These statements regarding carbon monoxide poisoning are true,
except:
a. the oxygen carrying capacity of the blood is decreased
b. the oxyhemoglobin dissociation curve becomes shifted to the
left, releasing less oxygen to the tissues
c. a carboxyhemoglobin level of less than 30% produces minimal
symptoms
d. treatment with 100% carbon dioxide is effective
Ans: d. treatment with 100% carbon dioxide is effective
Ototoxicity may be an adverse reaction of the following, except:
a. streptomycin
b. ethacrynic acid
c. furosemide
d. tetracyclines
Ans: d. tetracyclines
© 2025 All rights reserved
, 3 | Page
Indivduals who are deficient in glucose-6-dehydrogenase
experience hemolysis the treatment with these drugs, except:
a. dapsone
b. ethacrynic acid
c. primaquine
d. tetracyclines
Ans: d. tetracyclines
Acute intermittent porphyria is an absolute contraindication to
the use of:
a. nitrous oxide
b. enflurane
c. ketamine
d. thiopental sodium
Ans: b. enflurane
A patient has resulted in acute hypertensive crisis after eating
cheese. This interaction is possible if the patient is on:
a. MAO inhibitor
b. aspirin
c. tetracyclines
d. all of the above
Ans: a. MAO inhibitor
Direct hepatotoxicity has been observed with the following
anesthetic agents:
a. halothane
b. nitrous oxide
c. thiopental
d. all of the above
Ans: a. halothane
It is used in the manufacture of smoke bomb, antiseborrheic
shampoos, in the treatment of bone fracture and rickets.
a. bismuth
b. boron
© 2025 All rights reserved
, 4 | Page
c. cadmium
d. cesium
e. chromium
Ans: c. cadmium
Its deficiency mimics diabetes mellitus, it is found in brown sugar
and butter
a. bismuth
b. boron
c. camium
d. cesium
e. chromium
Ans: e. chromium
It is the poison found in rust and ink eradicator.
a. nitrite
b. naphthalene
c. oxalate
d. lead
e. mercury
Ans: c. oxalate
It is used in silvering of mirror and it causes metal line gum
a. bismuth
b. boron
c. cadmium
d. cesium
e. chromium
Ans: a. bismuth
It is used to preserve the color of meat in pickling.
a. nitrite
b. naphthalene
c. oxalate
d. lead
e. mercury
© 2025 All rights reserved
