Toxicology Final Exam Questions and
Answers
What common household products contains ethylene glycol?
a. antifreeze
b. lighter fluid
c. nail-polisher remover
d. cyanacrylic glue
e. dish washing soap - ANS-a. antifreeze
what common household products contains methanol?
a. windshield wiper fluid
b. gasoline
c. formaldehyde
d. hexane
e. chloroform - ANS-a. windshield wiper fluid
What is a major metabolite of methanol?
a. formic acid
b. acetone
c. hydrochloric acid
d. lactic acid
e. water - ANS-a. formic acid
What is an antidote for ethylene glycol exposure?
a. disulfrum
b. ethanol
c. aspirin
d. phenytoin
e. 2-propranolol - ANS-b. ethanol
T/F - Okadaic acid poisoning is also known as diarrhetic shellfish poisoning - ANS-True
T/F - Ciguatera toxin binds to sodium channels and decreases Na channel permeability
- ANS-False
T/F - Domoic acid poisoning can result in demyelination in the central nervous system -
ANS-True
Nematocyst can be removed from the skin and treated with all of these except
a. warm/hot water/soap
, b. vinegar
c. antihistamines/steroids
d. antibiotic
e. ethyl alcohol - ANS-e. ethyl alcohol
Venom from sea snakes effects
a. magnesium permeability
b. potassium permeability
c. sodium and chloride permeability
d. magnesium and potassium permeability
e. chloride and potassium permeability - ANS-c. c. sodium and chloride permeability
Conotoxins come from
a. ray stings
b. sea snake bites
c. lionfish stings
d. cone snails
e. fire corals - ANS-d. cone snails
The main weapon cone snails use against prey is its
a. venom
b. harpoon
c. nematocyst
d. barb
e. teeth - ANS-a. venom
Low blood sugar, hypoglycemic shock, and paralysis are symptoms cause by
envenomation with
a. ray stings
b. sea snake bite
c. weaver fish sting
d. cone snail sting
e. octopus bite - ANS-d. cone snail sting
"Funny" eye movements and flailing of the extremities are symptoms associated with
a. weaver fish sting
b. sea snake bite
c. ray sting
d. all of the above
e. none of the above - ANS-e. none of the abover
Cholinergic toxidrome results from the accumulation of excessive levels of acetylcholine
in
a. synapses
b. smooth muscles
c. motor end plates
Answers
What common household products contains ethylene glycol?
a. antifreeze
b. lighter fluid
c. nail-polisher remover
d. cyanacrylic glue
e. dish washing soap - ANS-a. antifreeze
what common household products contains methanol?
a. windshield wiper fluid
b. gasoline
c. formaldehyde
d. hexane
e. chloroform - ANS-a. windshield wiper fluid
What is a major metabolite of methanol?
a. formic acid
b. acetone
c. hydrochloric acid
d. lactic acid
e. water - ANS-a. formic acid
What is an antidote for ethylene glycol exposure?
a. disulfrum
b. ethanol
c. aspirin
d. phenytoin
e. 2-propranolol - ANS-b. ethanol
T/F - Okadaic acid poisoning is also known as diarrhetic shellfish poisoning - ANS-True
T/F - Ciguatera toxin binds to sodium channels and decreases Na channel permeability
- ANS-False
T/F - Domoic acid poisoning can result in demyelination in the central nervous system -
ANS-True
Nematocyst can be removed from the skin and treated with all of these except
a. warm/hot water/soap
, b. vinegar
c. antihistamines/steroids
d. antibiotic
e. ethyl alcohol - ANS-e. ethyl alcohol
Venom from sea snakes effects
a. magnesium permeability
b. potassium permeability
c. sodium and chloride permeability
d. magnesium and potassium permeability
e. chloride and potassium permeability - ANS-c. c. sodium and chloride permeability
Conotoxins come from
a. ray stings
b. sea snake bites
c. lionfish stings
d. cone snails
e. fire corals - ANS-d. cone snails
The main weapon cone snails use against prey is its
a. venom
b. harpoon
c. nematocyst
d. barb
e. teeth - ANS-a. venom
Low blood sugar, hypoglycemic shock, and paralysis are symptoms cause by
envenomation with
a. ray stings
b. sea snake bite
c. weaver fish sting
d. cone snail sting
e. octopus bite - ANS-d. cone snail sting
"Funny" eye movements and flailing of the extremities are symptoms associated with
a. weaver fish sting
b. sea snake bite
c. ray sting
d. all of the above
e. none of the above - ANS-e. none of the abover
Cholinergic toxidrome results from the accumulation of excessive levels of acetylcholine
in
a. synapses
b. smooth muscles
c. motor end plates
