Toxicology Final Exam with Complete
Solutions
Lizards - correct Answer-A species of which of the following types of animal produces a
venom that contains Helotherime, a toxin that inhibits calcium influx out of the
sarcoplasmic reticulum?
Alpha-latrotoxin stimulates increased exocytosis from nerve terminals. - correct Answer-
Which of the following statements regarding widow spiders is TRUE?
Ants - correct Answer-A species of which of the following animals produces a venom
that contains 60 percent formic acid?
Animal venoms are strictly metabolized by the liver. - correct Answer-Which of the
following statements regarding animal toxicity is FALSE?
IgG - correct Answer-The production of antivenoms requires neutralizing anti-bodies of
which type?
Bees. - correct Answer-Which of the following animals has venom containing histamine
and mast cell-degranulating peptide that is known for causing hypersensitivity
reactions?
Cat scratch fever - correct Answer-Which of the following diseases in not commonly
caused by tick envenomation?
Cone Snails. - correct Answer-Which of the following animals has a venom containing
conotoxins that inhibit presynaptic voltage-gated calcium channels?
Inorganic anions are often found in snake venoms. - correct Answer-Which of the
following statements regarding snakes is FALSE?
Affect calcium channels. - correct Answer-Scorpion venoms do NOT:
Blocks microtubule formation. - correct Answer-Colchicine, found in lily bulbs:
Plant toxins are most highly concentrated in the leaves. - correct Answer-All of the
following statements regarding plant toxicity are true EXCEPT:
Poppy (Argemone). - correct Answer-Which of the following plant species is known to
contain Sanguinarine, an alkaloid that causes chromosomal aberrations?
Solutions
Lizards - correct Answer-A species of which of the following types of animal produces a
venom that contains Helotherime, a toxin that inhibits calcium influx out of the
sarcoplasmic reticulum?
Alpha-latrotoxin stimulates increased exocytosis from nerve terminals. - correct Answer-
Which of the following statements regarding widow spiders is TRUE?
Ants - correct Answer-A species of which of the following animals produces a venom
that contains 60 percent formic acid?
Animal venoms are strictly metabolized by the liver. - correct Answer-Which of the
following statements regarding animal toxicity is FALSE?
IgG - correct Answer-The production of antivenoms requires neutralizing anti-bodies of
which type?
Bees. - correct Answer-Which of the following animals has venom containing histamine
and mast cell-degranulating peptide that is known for causing hypersensitivity
reactions?
Cat scratch fever - correct Answer-Which of the following diseases in not commonly
caused by tick envenomation?
Cone Snails. - correct Answer-Which of the following animals has a venom containing
conotoxins that inhibit presynaptic voltage-gated calcium channels?
Inorganic anions are often found in snake venoms. - correct Answer-Which of the
following statements regarding snakes is FALSE?
Affect calcium channels. - correct Answer-Scorpion venoms do NOT:
Blocks microtubule formation. - correct Answer-Colchicine, found in lily bulbs:
Plant toxins are most highly concentrated in the leaves. - correct Answer-All of the
following statements regarding plant toxicity are true EXCEPT:
Poppy (Argemone). - correct Answer-Which of the following plant species is known to
contain Sanguinarine, an alkaloid that causes chromosomal aberrations?
