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Vet 221
Test 1
| Question | Answer |
|---|---|
| A condition caused by the migration of roundworm larvae through various body tissues: children are most commonly affected | Visceral larval migrans |
| A condition caused by the migration of roundworm larvae through the eyes of a child | Ocular larval migrans |
| A parasite that lives on the exterior of another organism is a | Ectoparasite |
| A parasite that lives inside another organism | Endoparasite |
| A route of infection by hookworms that is not shared by roundworms is | Skin penetration |
| A skin condition in humans caused by the larvae of hookworm parasites that leave migratory tracks in the skin | Cutaneous larval migraines |
| Ancylostoma caninum lives in the | Small intestine |
| Diroflaria immitis is a | Nematode |
| Fecal sedimentation is typically performed when eggs are suspected as they are too heavy to float in floatation solution | Fluke |
| If an owner is reporting that their dog is dragging its anus across the floor on a frequent basis, this could be a sign of | Tapeworm infection |
| In dogs and cats, adult heartworms are typically found in the | Pulmonary arteries and right ventricle |
| In what host do the sexually mature adult parasites live | Definitive host |
| Neurologic larval migrans is a condition that can occur when a paratenic host ingests the larval stage of | Baylisascaris procyonis |
| Sometimes parasite larvae are recovered from feces or tissues instead of eggs. The procedure that allows for the recovery of parasite larva is the | Baermann technique |
| Tapeworm infections are most often diagnosed in small animals by which of the following methods | Gross examination |
| The best way to diagnose ascarid infections in dogs and cats is | Fecal flotation |
| The definitive host for Baylisascaris procyonis is | Raccoon |
| The following was obtained from a 10 month MN mixed canine, you feel that this is | Ancylostoma caninum |
| The host that harbors the adult sexual, or mature stages of a parasite is | Definitive host |
| The host that harbors the immature, asexual, or larval stages of a parasite | Intermediate host |
| The intermediate host that is utilized during the life cycle of Dirofilaria immitis is the | Mosquito |
| The motile, prelarval stage of filarial parasites | Microfilaria |
| The roundworm of the horse is | Parascaris spp |
| There are two main ways a dog can become infected with Ancylostoma caninum. One way is ingestion of ineffective larvae and other is | Skin penetration |
| This is a roundworm | Nematode |
| Trichuris vulpis lives in the | Large intestines |
| Typically, if a dog younger than 3 months of age ingests a Toxocara canis egg containing the second stage larva, the larva will go through the | Tracheal migration |
| What is the common name of Anclyostoma caninum | Hookworm |
| What is the common name of Toxocara canis | Roundworm |
| When using a microscope to examine fecal specimens, the objectives is the one that is most commonly used | 10x |
| Which of the following is the roundworm of swine | Ascaris suum |
| Which of the following parasites ova are best collected using the cellophane tape technique | Oxyuris |
| Which of the following can humans not contract | Trichuris vulpis |
| Which of the following is not true of Dioctophyma renale | Found in the left kidney of dogs |
| Which statement is true about Dirofilaria infection in the cat | The life span of heartworms in cats is shorter than in dogs |
| Whipworm is the common name for which one of the following parasites | Trichuris vulpis |
| A good way for a veterinary practices to save money is to reuse vials and filters used to perform fecal flotations | False |
| A parasite egg that contains an operculum- a "lid" or "door" that can be found on some parasite eggs - through which the larva escapes is called an operculum | True |
| Dirofilaria immitis, the canine heartworm, can be detected by using ELISA- based serologic test to check for heartworm antigens in the blood | True |
| Hookworms can be a cause of anemia in young puppies | True |
| Humans are typically infected with hookworms via ingestion of infective larvae | False |
| If the need to send out a fecal sample arises; feces can be sent fresh of mixed with 10% formalin at a ratio of 1:3 | False |
| Pinworms do not parasitize dogs or cats | True |
| Puppies are infected with Toxocara canis while nursing | True |
| Sodium nitrate can form crystals and distort eggs if left to sit for longer than 20 minutes | True |
| The cellophane tape technique wors best because adult pinworms crawl out of the rectum and cement eggs to shafts of hair around the anus | True |
| The direct smear is the best procedure to use because it will not distort and/or kill motile trophozoites | True |
| The eggs of Trichuris vulpis can survive in the environment for up to 2 years | True |
| The type of roundworm larval migration that takes place in puppies younger than three months of age where the second stage larva encyst extraintestinally in the host's body is called somatic migration | False |
| When the eggs of Toxocara canis are passed in the feces, they are immediately infective | False |
Created by:
Scoots223