PHARMACOLOGY QUESTIONS
AND ANSWERS
Pyrethrin (which is used to kill fleas) is derived or extracted from which of the following plants?
Chrysanthemum
Bougainvillea
Hibiscus
Stargazer lily - CORRECT ANSWER -Chrysanthemum
Pyrethrin comes from the Chrysanthemum plant and acts on the nervous system to cause flea death.
Which of the following drugs is NOT approved for the use in cattle?
Xylazine
Butorphanol
Diazepam
Albendazole - CORRECT ANSWER -Xylazine
Ruminants are highly sensitive to xylazine when compared with horses, dogs, and cats. They generally
require only one-tenth of the dosage required for horses to exhibit the same effect. It is not approved for
the use in ruminants but is sometimes used off-label. It is important to know how sensitive ruminants
are to this drug.
,Albendazole mis ma mbroad mspectrum mde-wormer mcommonly mused min mcattle. m m
Diazepam mor mButorphanol mcan mbe mused mas ma msedative mor mtranquilizer min mcattle. m
m
Ketoconazole mcan mcause mtoxicity mmost mcommonly mto mwhich mof mthe morgans mor mtissues mlisted? m
m
Pancreas m
Retinas m
Liver m
Cardiac mmuscle m- mCORRECT mANSWER m-Liver m
m
Ketoconazole mcan mbe massociated mwith mhepatotoxicity. mLiver mvalues mshould mbe mclosely mmonitored
mwhen musing mthis mmedication. mFluconazole mand mitraconazole mare mmore mwidely mused mbecause mthey
mare mless mhepatotoxic, mbut mthe mcost mis mhigher mfor mthese mmedications. m
m
What mis mthe metiology mof mClostridium mbotulinum, mthe mtoxin mthat mcauses mbotulism min mcattle? m
m
Contamination mof mdeep mpuncture mwounds m
Trauma m
Ingestion m
Direct mcontact m- mCORRECT mANSWER m-C. mbotulinum mis mfound min mdecomposing mplants mand manimals,
mand mtoxins mare mproduced min mthe mdecaying mmaterial. mThe mmost mcommon msource mof mthe mtoxin mfor
mcattle mis mfeed mcontaminated mby mcarcasses mof mmice mand mbirds. m m
m
Botulism mis mcharacterized mby ma mprogressive mmuscle mweakness m(paralysis). mAffected manimals mmay mbe
mweak, mstagger mabout, mor mgo mdown. mCattle mcharacteristically mdisplay mflaccid mparalysis mand
moccasionally mprotrusion mof mthe mtongue mas mseen min mthis mphoto. m
m
Patients mthat mhave mreceived mprednisone mchronically mneed mto mbe mtapered moff mslowly mto mavoid mwhich
mof mthe mfollowing? m
m
Signs mof mhyperadrenocorticism m(Crohn's mDz) m
, Signs mof mexocrine mpancreatic minsufficiency m
Signs mof mhyperinsulinism m
Signs mof mdiabetes minsipidus m
Signs mof mhypoadrenocorticism m(Addison's mDz) m- mCORRECT mANSWER m-Signs mof mhypoadrenocorticism
m(Addison's mDz) m
m
Chronic mprednisone madministration mcan mlead mto matrophy mof mthe madrenal mgland mdue mto mthe mabsence
mof msignaling mto mproduce mcortisol. mIf mprednisone mis msuddenly mstopped, mthe madrenal mgland mwill mnot
mbe mcapable mof mproducing menough mcortisol, mand mthe manimal mmay mshow msigns mof
mhypoadrenocorticism m(Addison's mdisease). m
m
An m11-year mold mfemale mspayed mdog mis mdiagnosed mwith ma mbladder mtumor. mShe mis mstill mable mto mpass
murine, mbut mshe mstrains mtowards mthe mend mof mher murination mand mneeds mto mgo mout mfrequently. mHer
mbloodwork mis munremarkable. mWhat mmedication mis msometimes mprescriped mspecifically mto malleviate
msymptoms mfrom mbladder mtumors min mdogs? m
m
Tramadol m
Amoxicillin-clavulanic macid m
Cranberry mextract m
Piroxicam m- mCORRECT mANSWER m-Piroxicam m
m
Piroxicam mis ma mnon-steroidal manti-inflammatory mdrug mthat mhas msome manti-cancer mproperties magainst
mtransitional mcell mtumors mand mnasal madenocarcinoma min mdogs. mPiroxicam mcan mcause mrenal mpapillary
mnecrosis mas ma mrare mside-effect, mso mis musually mreserved mfor mcases mthat mhave mno munderlying mrenal
missues. m
m
You mare mdeveloping ma mtemplate mfor mthe mdrug mlabels mat myour mnew mhospital. mEvery mprescription mdrug
mlabel mshould minclude mthe mfollowing mstatement: m
m
Stop mthis mmedication mand mcontact myour mveterinarian mshould many madverse mreactions moccur m
Give mas mdirected mby myour mveterinarian m
Caution: mFederal mlaw mrestricts mthis mdrug mto muse mby mthe morder mof ma mlicensed mveterinarian m