Tylosin is used primarily in the poultry as feed additive. it is included under this family of bacteriostatic antibacterial

this is generallythe most active of the aminoglycosides which is a fermantation product of Micromonospora purpurea. this is often the aminoglycoside of choice for serious g- infections caused by susceptible organisms

due to its effects of causing aplastic anemia to humans, this antibacterial is now banned in food animals in the philippines

these are considered bacteriostatic by inhibiting the protein synthesis by reversibly binding to 30s ribosomal subunit.they were one of the first to be known as "broad spectrum" antibiotics

which of the following is the most appropriate therapy for swine dysentery

a way of bacteria acquiring resistance through the passage of resistant genes from cell to cell by direct contact through sex pilus or bridge

all of the following are members of the 3rd generation quinolones EXCEPT

this is the sulfonamide which is commonly used against urinary tract infection

all of these are antibacterial that inhibits nucleic acid function EXCEPT

which of the following combinations is considered irrational or antagonistic systematically

neuromuscular blockade results because of this action of aminoglycosides:

this substance can serve as a flase substrate for penicillinase therefore it can protect a penicillin antibiotic from destruction of penicillinase:

cotrimoxazole is a potentiated sulfonamide which consist of trimethoprim and:

colistin belongs to the antibiotic group called ___, whose bacterial effect is___

lincosamide is contraindicated in this animal

what organism produces chloramphenicol

moxalactam is a:

the most important advantage of potentiated sulfonamides over regular sulfonamide is

sulbactam and clavulanic acid are combined with amoxicillin to:

this is observed when two or more bacteriostatic antibacterial agents are used in combination

which of the following agents is not an inhibitor of DNA synthesis and replication

penicillins are the most active during which phase of bacterial growth

all of the following are members of the 3rd generation of quinolones EXCEPT:

all of the following are bacteriocidal EXCEPT

macrolide antibiotics and their metabolites are excreted mainly in the:

this is the primary lesion of aminoglycoside toxicity in the kidney:

which is NOT true about penicillins?

this agent is used as growth promoter in pigs, but is now banned for use in food animals because of carcinogenic effect

which of the following is contraindicated when given simultaneously with tetracyclines

what is the mechanismof action of macrolides?

this drug is characterized by cardiac toxicity (tachycardia and decreased contractility

in a combination of sulfonamides, as in triple sulfa, the solubility of in water of each sulfonamide

a dosing regimen of an antimicrobial is based on:

which of the ff drug combination is not good

this is the enzyme inhibited by trimethoprim

which of the ff is not a bacteriostatic drug?

allergies due to penicillin is brought about by:

a third generation cephalosporin which has a gram negative spectrum that is more similar to the fist generation cephalosporin

among the synthetic antiviral agents, this agent may inhibit replication of different strains of influenza A virus, influenza C virus, sendai virus and pseudorabies virus at usual concentration

tamiflu ®, which is against many flu strains is

these antiviral drugs inhibit viral nucleic acid synthesis

a systemic antiviral agent, this is active against all herpesviruses and it is more active than acyclovir against cytomegalovirus for instance in a bone marrow transplant recipient

this is a purine nucleoside:

an antiviral that lead to inhibition or delay of the uncoating process that preceds primary transcription

this systemic antiviral agent is used to treat influenza, bovine herpesvirus, canine distemper, blue tongue, Mareks disease and rotavirus

which of the following agents is a pyrimidine nucleoside

a polyene antibiotic, this is the first antimycotic antibiotic to be discovered which has a fairly broad spectrum of activity against yeast and various fungi

an azole antibiotic, this agent is used to treat Candida vaginitis in humasn and it is 1% solution is the drug of choice for Aspergillus infections of the comea

a systemic antifungal agent, this should not be used in pregnant animals because it is embryo toxic and teratogenic

this antifungal can lead to normocytic normochromic anemia

aside from being a dewormer, this agent also has antifungal property

this antifungal has 100% bioavailability

what is the most notorious side effect of amphotericin B?

this is the choice of treatment for disseminated histoplasmosis in dogs and cats

this is a major adverse effect od griseofulvin

the mechanism of action of griseofulvin

this is a group of antineoplastic drugs that form highly reactive intermediate compounds that are able to transfer alkyl group to DNA

mitotane causes selective destruction of normal and neoplastic adrenal cortical cells by inhibiting production of steroids induced by adrenocorticotropic hormone, which causes atrophy of the inner zones of the adrenal cortex. it is a derivative of:

the canine tumor which is usually treated

an example of delayed toxicity that is seen in antiviral agents and the patient exhibits increased incidence of infection associated with leukopenia, increased risk of hemorrhage associated with thrombocytopenia and anemia

vincristine is an alkaloid product of this plant?

which of the following antineoplastic agents must be activated in the liver to cytotoxic metabolites?

5-fluorouracil must be converted to an active 5-fluoro-2'-deoxyuridine-5'-phosphate form to bind the enzyme thymidylate synthase and block or inhibit DNA and RNA synthase. it is a:

this is a semisynthetic glycosides derived from the mandrake plant. it is thought to stimulate DNA cleavage mediated by topo isomerase II which contributes to its antineoplastic action

all of the ff are antineoplastic mitotic inhibitors except:

the antineoplastic drug taxanes are extracted from what plant?

these are naturally derived pesticides from chrysanthemum flower

this probenzimidazole is a metabolized to true benzimidazole but has teratogenic effects in sheep due to its oxfendazole metabolite

although it has no effects in roundworms and tapeworms, this benzimidazole has high activity against all stages of liver flukes

all of the following are used for treatment of malaria except

in cattle, this drug at present is most effective against coccidiosis

this agent is unique among the anthelmintics because it heightens endogenous GABA induced inhibitory actions in worms to cause paralysis

in cattle, this anthelmintic is 100% effective against all GIT roundworms except nematodirus ostertagia and trichuris

ivermectin is contraindicated in this breed of dog because of idiosyncratic reactions which include depression, muscle weakness, blindness, come and death

diaveridine is a trimethoprim against this parasite:

nematode species that are resistant to ivermectin are also likely to be resistant to:

which of the following agents would be most effective in treating demotectic mange?

this agent is combined with pyrethroids (including citrus extracts) to act synergistically in the prevention of metabolic inactivation of the pyrethroid within the insect

this saltor pyrantel makes it poorly soluble in water, thus allowing the drug to reach and be effective against parasite in the large intestines:

this dewormer act by binding to glutamate gated chloride channel receptors in nematode and arthropod nerve cells allowing an influx of chloride ions:

melarsomine is:

heartgard ® contains ivermectin which:

what is the mechanism of action of piperazine against helminths?

this is a nicotinic anthelmintic that acts as agonist at nicotinic acetylcholine receptors of nematodes

this refers to killing or removing all forms of microbial life (including endospores) in a metal or aj object

this physical method or microbial control applies pressure to boiling water to prevent steam from escaping

rubbing alcohol is simply:

this oxidizing agent has keratolytic and anti seborrheic activity which makes it useful in treating pyoderma in dogs

what is the active ingredient of zonrox®?

this is a viscid blackish brown liquid, used primarily for antiseptic bandaging of wounds of the hoof and horn:

among the ff acids, which can be used as spermatocide

which of the following antiseptics can be incorporated in soaps, shampoos, ointments, and surgical scrubs because of its low potential for systemic and dermal toxicity?

benzalkonium chloride is a :

what was the source of the first sulfonamide?

repeated exposure of skin to high concentrations of this agent may lead to sufficient absorption of the antiseptic to cause nervous disorders

lugols solution is

potassium permanganate as an effective algicide and virucide is classfied as

among the ff agents, which can be used as an astringent?

which of the ff agents serve as an ideal teat dip?

he is considered as the father of chemotherapy