ANS 407 Animal food and Toxicology final Exam
___ are the most susceptible organisms to nitrate toxicity. ____
are less succeptable, however they are still affected by ____.
Correct Answers Ruminants; Monogastrics; nitrites.
___ toxin production with increased ____ and tempeartures
between ___ C Correct Answers greatest; humidity, 6-24
____ activity in the intestines of pigs, chickens, and bovines
____ the toxicity of DON. Correct Answers de-epoxy; decrease
____ and ____ results in loss of toxicity. Correct Answers de-
expoxidation; deacetylation
____ are more susceptable than adults due to increased ____,
____ hemoglobin, and decreased expression of ____ which
converts methemoglobin back to hemoglobin. Correct Answers
Infants; pH; easly oxidized; cytochrome B5
____ are only nematode and arthropod specific receptors.
Correct Answers GluCls
____ converts nitrates to nitrites in most forages, water supplies,
and organisms. Correct Answers microbial action
____ do not age. Correct Answers Carbamates
____ formation can be inhibited by the presence of ____.
Correct Answers N-nitroso compounds; Vitamin C
,____ half-life in environment Correct Answers short
____ mammalian toxicity Correct Answers low
____ microorganisms MAY peform de-epoxylation of T-2 and
HT-2 toxins. Correct Answers intestinal
_____ are relatively resistant to DON toxicity. Correct Answers
Ruminants
_____ receptors are g-protein coupled receptors that regulate the
_____ of various secondary messengers. Correct Answers
muscarinic; phosphorylation
_____ receptors are ionotropic receptors that allow for ____
charged ions to flow through the cell membrane. Correct
Answers nicotinic; positively
______ induce insect resistance Correct Answers does not
[___] > [___] in body due to ____'s rapid metabolism Correct
Answers DTE; DDT; DDT
Aging causes a build-up of ___ at the synapse, leading to
overstimulation. Correct Answers ACh
Aging reactions of AChE are _____. Correct Answers
irreversable
avermectin Correct Answers Naturally occuring category of
antiparasitic drugs that works against endo and ectoparasites
, Avermectin is a ____ product from ____. Correct Answers
fermented; bacteria
Avermectins lack ____ and ____ properties. Correct Answers
antiparasitic; antifungal
Bioaccumulation Correct Answers An increased concentration
of a chemical within an organism over time
Bioaccumulation of nitrates in plants in influenced by: ____?
Correct Answers plant species, ammonia supply, soil type,
moisture, and light exposure
Biomagnification Correct Answers The increase in chemical
concentration in animal tissues as the chemical moves up the
food chain
Carbamate functional group Correct Answers
Carbamates are derived from _____. Correct Answers carbamic
acid
DDT and its metabolites are unlikely to be _____. Correct
Answers mutagens
DDT is an ____ of endocrine disruption. Correct Answers
agonist
___ are the most susceptible organisms to nitrate toxicity. ____
are less succeptable, however they are still affected by ____.
Correct Answers Ruminants; Monogastrics; nitrites.
___ toxin production with increased ____ and tempeartures
between ___ C Correct Answers greatest; humidity, 6-24
____ activity in the intestines of pigs, chickens, and bovines
____ the toxicity of DON. Correct Answers de-epoxy; decrease
____ and ____ results in loss of toxicity. Correct Answers de-
expoxidation; deacetylation
____ are more susceptable than adults due to increased ____,
____ hemoglobin, and decreased expression of ____ which
converts methemoglobin back to hemoglobin. Correct Answers
Infants; pH; easly oxidized; cytochrome B5
____ are only nematode and arthropod specific receptors.
Correct Answers GluCls
____ converts nitrates to nitrites in most forages, water supplies,
and organisms. Correct Answers microbial action
____ do not age. Correct Answers Carbamates
____ formation can be inhibited by the presence of ____.
Correct Answers N-nitroso compounds; Vitamin C
,____ half-life in environment Correct Answers short
____ mammalian toxicity Correct Answers low
____ microorganisms MAY peform de-epoxylation of T-2 and
HT-2 toxins. Correct Answers intestinal
_____ are relatively resistant to DON toxicity. Correct Answers
Ruminants
_____ receptors are g-protein coupled receptors that regulate the
_____ of various secondary messengers. Correct Answers
muscarinic; phosphorylation
_____ receptors are ionotropic receptors that allow for ____
charged ions to flow through the cell membrane. Correct
Answers nicotinic; positively
______ induce insect resistance Correct Answers does not
[___] > [___] in body due to ____'s rapid metabolism Correct
Answers DTE; DDT; DDT
Aging causes a build-up of ___ at the synapse, leading to
overstimulation. Correct Answers ACh
Aging reactions of AChE are _____. Correct Answers
irreversable
avermectin Correct Answers Naturally occuring category of
antiparasitic drugs that works against endo and ectoparasites
, Avermectin is a ____ product from ____. Correct Answers
fermented; bacteria
Avermectins lack ____ and ____ properties. Correct Answers
antiparasitic; antifungal
Bioaccumulation Correct Answers An increased concentration
of a chemical within an organism over time
Bioaccumulation of nitrates in plants in influenced by: ____?
Correct Answers plant species, ammonia supply, soil type,
moisture, and light exposure
Biomagnification Correct Answers The increase in chemical
concentration in animal tissues as the chemical moves up the
food chain
Carbamate functional group Correct Answers
Carbamates are derived from _____. Correct Answers carbamic
acid
DDT and its metabolites are unlikely to be _____. Correct
Answers mutagens
DDT is an ____ of endocrine disruption. Correct Answers
agonist
