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Vet 221
Midterm
| Question | Answer |
|---|---|
| The intermediate hose for toxoplasma gondii is the feline | False |
| Fecal sedimentation is typically performed when eggs are suspected as they are too heavy to float in floatation solution | Fluke |
| Trichuris vulpis live in the of its host | Large intestine |
| The host that harbors the adult sexual or mature stages of a parasite is | Definitive host |
| A heartworm preventative that is also approved for the treatment of ear mites and sarcoptic mange is | Selamectin |
| The intermediate host for dipylidium caninum is the mosquito | False |
| Pinworms do not parasitize dogs or cats | True |
| Puppies can be infected with toxocara canis via transmammary transmission | True |
| The motile prelarval stage of filarial parasites is called | Microfilaria |
| Paragonimus kellicotti is also known by the common name | Lung fluke |
| What two stages of the giardia life cycle are found in the feces of and infected host and are known as the infective stages | Cysts Trophozoites |
| Trematode (fluke) eggs have an operculum or lid through which the miracidium or larval stage exits the egg | True |
| The best technique to diagnose ascarid infections in dogs and cats is | Fecal flotation |
| A route of infection by hookworms that is not shared by roundworms is | Skin penetration |
| Ancylostoma caninum lives in the of its host | Small intestine |
| Toxoplasma gondii infection is typically diagnosed by fecal floatation | False |
| In dogs and cats adult heartworms are typically found in the | Pulmonary arteries Right ventricle |
| The parasite in the picture was found on a fecal float of a 6 month old german shephard what parasite is this | Ancylostoma caninum |
| Ivermectin moxidectin and doramectin are in the class | Avermectin |
| You are examining a fecal sample from an 8 month old puppy under the microscope using 40x objective and find the parasite pictured what parasite did you find | Isospora spp |
| When the eggs of toxocara canis are passed in the feces they are immediately infective | False |
| The roundworm of the horse is | Parascaris sp |
| Which of the following is not true of dioctophyma renale | Found in the left kidney of dogs |
| Which statement about organophosphates is incorrect | They have relatively few side effects |
| Diplidium caninum is a | Cestode |
| Which of the following parasites ova are best collected using the cellophane tape technique | Oxyuris |
| Giardia can infect many different species of animals including humans | True |
| Both animals and humans are commonly infected with toxoplamsa gondii by | Both are correct, ingesting oocysts that are shed in cat feces, ingesting tissue cysts from improperly cooked meat |
| What condition is caused by the migration of roundworm larvae through various body tissues and most commonly affects | Visceral larval migraines |
| Sodium nitrate can form crystals and distort eggs if a fecal float is left to sit for longer than 20 minutes before being read | True |
| Tapeworm infections are most often diagnosed in small animals by which of the following methods | Gross examination |
| If a drug package insert states that the drug is a coccidiostat what group of parasites will the drug be effective against | Protozoa (eimeria isospora) |
| You are examining a fecal sample from a dog that spends a lot of time swimming in a lake and find the parasite pictured what parasite did you find | Giardia |
| A common symptom of hookworm infection in puppies is anemia | True |
| A parasite that lives inside of its host is called an | Endoparasite |
| That host that harbors the immature asexual or larval stages of a parasite | Intermediate host |
| Which drug is commonly used as a microfilaricide in the treatment of heartworm disease | Ivermectin |
| The direct smear is the best technique to find giardia because it will not distort and/or kill motile trophozoites | True |
| Trichuris vulpis eggs can survive in the environment for up to 2 years | True |
| Which technique is used when a patient is suspected to have paragonimus kellicotti (lung fluke) or strongyloides infection | Baermann technique |
| Dirofilaria immitis is a | Nematode |
| Which of the following can humans not contract | Trichuris vulpis |
| The most common intermediate host of taenia pisiformia is a | Rabbit |
| The definitive host for baylisacaris procyonis is | Raccoon |
| In what host do the sexually mature adult parasites live | Definitive host |
| Which parasite below is classified as coccidian | Cryptosporidium parvum |
| The active drug in Proheart is moxidectin and it is a member of which drug class | Milbemycin |
| Which of the following interferes with the development of an insects chitin | Lufenuron |
| When a dog less than 3 months of age ingests a toxocara canis egg containing the second stage larvae the larvae will go through | Tracheal migration |
| Neurologic larval migrans is a condition that can occur when a paratenic host ingests the larval stage of | Baylisascaris procyonis |
| Which type of antimicrobial drug would be effective against organisms such as giardia eimeria | Antiprotozoal |
| Which of the following is the roundworm of swine | Ascaris suum |
| The segments that comprise the body of a cestode are called | Proglottids |
| The intermediate host of dirofilaria immitis is the | Mosquito |
| A dog becomes infected with dipylidium caninum by ingestion of | Infected fleas |
| What is the common name of ancylostoma caninum | Hookworm |
| What is the common name of toxocara canis | Roundworm |
| Whipworm is the common name for which one of the following parasites | Trichuris vulpis |
| A drugs package insert states that the drug is an anticestodal against which of parasite will this drug effective | Tapeworms (taenia) |
| A parasite that lives on the exterior of its host is called an | Ectoparasite |
| When using a microscope to examine fecal specimens the objective most commonly used | 10x |
| When a dog 3 months of age or older ingests a toxocara canis egg containing the stage larvae the larvae will go through | Somatic migration |
| If a dog is scooting or dragging its butt across the floor on a frequent basis it could be a sign of | Tapeworm infection |
| Ancylostoma caninum can infect the dog in two ways one way is infective larvae and the other is | Skin penetration |
| Which statement is true about dirofilaria infection in the cat | The life span of heartworms is shorter than in dogs |
| To save money veterinary practices can reuse vials and filters used to perform fecal floatations | False |
Created by:
Scoots223