General - Parasitology 2 Flashcards
FEC magnitude does correlate with the size of the parasite
burden.
a. true
b. false
b. false
FECs can be used to evaluate possible parasitic involvement in
a horse displaying clinical manifestations.
a. true
b. false
b. false
FECs do indicate a risk of disease or possible adverse reactions
to anthelmintic treatment.
a. true
b. false
b. false
The lower limit is above the lower threshold and the upper limit above the upper treshold.
a. evidence of good efficacy
b. inconclusive
c. evidence of resistance
a. evidence of good efficacy
The upper limit is below the upper threshold.
a. evidence of good efficacy
b. inconclusive
c. evidence of resistance
c. evidence of resistance
Upper limit above upper treshold, lower limit under lower treshold
a. evidence of good efficacy
b. inconclusive
c. evidence of resistance
b. inconclusive
Cyathostomins resistance (MULTIPLE CAN BE CORRECT)
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
benzimidazoles
pyrimidines
Pyrantel
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
b. pyrimidines
Fenbendazole
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
a. benzimidazoles
Pinworms resistance (MULTIPLE CAN BE CORRECT)
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
macrocyclic lactones
Parascaris resistance (MULTIPLE CAN BE CORRECT)
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
macrocyclic lactones
Encysted cyathostomin larvae (MULTIPLE CAN BE CORRECT)
a. moxidectin
b. pyrantel
c. fenbendazole
d. praziquantel
moxidectin or fenbendazole (5 DAYS)
Targeted treatments (selective therapy) based on FEC in foals, weanlings, yearlings and youngsters
a. recommended
b. not recomended
b. not recomended
Ascarids foals (MULTIPLE CAN BE CORRECT)
a. benzimidazole
b. pyrantel
c. praziquantel
benzimidazole (but pyrantel may also be effective)
Theoretically safer choice for Ascarids
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
a. benzimidazoles
interfere with a worm’s energy metabolism on a cellular level. They bind to
beta tubulin and prevent its polymerization into microtubules.
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
a. benzimidazoles
These act on glutamate-gated chloride channels in nematode nerve and muscle cells, disturbing the normal transmission of nervous stimuli to muscles.
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
c. macrocyclic lactones
act at the neuromuscular junction causing an irreversible rigid paralysis.
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
b. pyrimidines
increases the permeability of the membranes of schistosome cells towards calcium ions
a. benzimidazoles
b. pyrimidines
c. macrocyclic lactones
d. praziquantel
d. praziquantel (NOT EXACTLY KNOWN)
