General Toxicology MCQ

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1. the most rapid form of poison is :
A) Solid
B) Gas***
C) Powder
D) Solution


2. in uncomplicated stable case of poisoning best line of Rx is :
A) Antishock measures
B) Physiological antidots
C) Supportive care***
D) Induction of vomiting


3.which of these is a hepatotoxic poison :
A) Alcohol***
B) Atropine
C) Morphine
D) Amphetamine


4.Which of the following causes blindness:
A) Mercury.
B) Amphetamine.
C) Morphine.
D) Atropine
E) Non of the above***


5.cyanide poisoning is ineffective in cases :
A) Taking low dose
B) Have low acid in stomach
C) Have hyperacidity
D) No acid in stomach – achloride***


6.emesis with syrup of ipecac is contraindicated in:
A)coma
B)convulsions
C)absent gag reflex
D)corrosive poisoning
E)all of the above***
F)non on the above


7.activated charcoal acts by:
A) oxidation
B) reduction
C) precipitation
D) adsorption***
E) neutralization


8.activated charcoal is ineffective in poisoning of:
A)acetaminophine
B)phenothiazines
C)barbiturates
D)ethyl alcohol*** (insha Allah it is the correct answer)
E)salicylates


9.the following factors influence the action of the poison except:
A) the dose
B) the state of the poison
C) colour of the poison***
D) solubility of the poison
E) route of administration
Methanol Causes Blindness


10.the following factors influence the action of the poison exept:
A)the size of the stomach***
B)age of the patient
C)tolerance
D)health of the patient
E)hypersenitivity


11.forced alkaline dieresis helps excretion of:
a-strychnine
b-amphetamine
c-salicylates***
d-digoxine
e-cocaine


12.acute atropine toxicity induse all the following except:
a-mitosis***
b-weak rapid pulse
c—hyperpyrexia
d-dry mouth
e-red and dry skin


13.rice water diarrhea occurs in a toxicity with:
a-arsenic*** (again, insha Allah it is the right answer)
b-mercury
c-lead
d-iron
e-phosphorus


14.Eye wash is used in cases exposed to:
a. Organophosphorus insecticides.***
b. Corrosive fumes.
c. Alkaline poison.
d. Volatile poison.
e. Irritant gases.


15.The active constituents in alkaline diuresis:
a. Dextrose.
b. Saline solution.
c. Dextrose 50%.
d. Na bicarbonate. **
e. Ascorbic acid.


16.when contaminted,the eyes are flushed with:
saline


17.a child bl3 unknown poison, he came to ER..what is the most imp. thing to do:
supportive care


18.forced acid diuretics used in :
alkaline poisons


19.the active content of alkaline diuretics is :
sodium bicarbonate


20. Important management of the poisoned patient >> supportive care


21. Best Physical antidotes >>> Activated charcoal


22.Antidotes that act locally >>> Potassium permanganate 1/5000 solution


23. Forced Acid diuretics >>> amphetamines


24.Stage 2 in coma classification >>> PaO2 more than 60mm.Hg


25. Comatose patient 1st step in management >>> Care of respiration


26.forced acid dieresis helps excretion of:
a. strychnine
b. amphetamine***
c. salicylates
d. digoxine
e. cocaine


27 in death due to alcohol poisoning blood for chemical analysis should be collected preferably from :
a) heart
b) axillary or femoral vein ***
c) pleural cavity
d) abdominal cavity

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Dr. Ahmed Hafez

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