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7 Cards in this Set
- Front
- Back
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Which of the following is FALSE about eversion syndrome in jellyfish?
a. more commonly reported in 1-2 month and >6 month old jellyfish b. higher prevalence in institutions with housed only cultured jellyfish versus those housing cultured and wild or just wild c. a definitive association between low protein intake and eversion syndrome was identified in all institutions d. histopathology revealed necrosis and degeneration of striated muscle and degeneration of the mesoglea |
c. a definitive association between low protein intake and eversion syndrome was identified in all institutions
-low protein is one proposed theory but this study only found a relationship in one institution and is not a definitive link AJVR 09 70(9):1087 |
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Which of the following findings is accurate about treatment of hyperiid amphipods in sea nettles?
a.diflubenzuron killed the parasites within 24 hours of application b.a single application of diflubenzuron led to 100% erradiaction in 6 weeks c.diflubenzuron caused high toxicity and mortality of sea nettles d.diflubenzuron was just as effective as manual removal of amphipods e.diflubenzuron was effective against Hyperia medusarum but not Lestrigonus shoemakeri |
b.a single application of diflubenzuron led to 100% erradiaction in 6 weeks
JZWM09 40(1):174 |
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Which of the following pathogens of mollusks is associated with significant mortalities in the economically important eastern oyster, Crassostrea virginica, along the east coast of the USA and the Gulf of Mexico?
a. Perkinsus marinus b. Perkinsus olseni c. Xenohalitosis californiensis d. Bonamia ostreae e. Marteilia refrigens |
a. Perkinsus marinus
-P. olseni not in USA JZWM09 40(1):140 |
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Which of the following organisms was diagnosed in an imported ornamental clam and could have significant economic impact on wild populations of mollusks?
a. Bonamia ostreae b. Perkinsus olseni c. Xenohalitosis californiensis d. Perkinsus marinus e. Perkinsus spp. |
e. Perkinsus spp.
JZWM09 40(1):140 |
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Which of the following is true about largemouth bass virus?
a. caused by a gamma herpes virus b. mortalities more common in larger fish c. high morbidity low mortality d. epizootics associated with significant impact on biomass e. fish lose equilibrium and sink |
b. mortalities more common in larger fish
-Iridovirus -trans by water and prey -lose equlibrium, float at top -enlarged or reddened swim bladder -high morb and mort w/ minimal impact on biomass -SE and mid west USA JWD 09 45(3):766 JWD |
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Which of the following is false regarding experimental exposure of Clostridium botulinum neurotoxin E.
A) Fish develop loss of equilibrium and motion B) Round Goby are less sensitive to the toxin C) Rainbow trout sink to the bottom of the water column with intermittent bursts of swimming D) Round Gobys develop a black band around the fish caudal to the posterior fin E) Walleye and yellow perch develop a tail up head down posture |
B) Round Goby are less sensitive to the toxin
* Yellow perch were the least sensitive to the toxin. JWD06 vol3 |
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26. What structure of the eye do Diplostomum spp invade in fish?
a. anterior chamber b. retina c. fovea d. lens e. iris |
d. lens
JZWM 05 36(3):504 |
