click below
click below
Normal Size Small Size show me how
Parasitology
Nematodes of SMALL ANIMALS
| Question | Answer |
|---|---|
| Incubation period | from infection of onset of symptoms |
| Prepatent period | (time from the point of infection until a specific diagnostic stage is recovered), the diagnostic stage (life cycle stage) most often identified, a morphologic description of this diagnostic stage (e.g., eggs, larvae, or adult), and treatment |
| Where is Spirocerca lupi found? | Gastrointestinal Tract |
| Common name for Spirocerca lupi? | Esophageal worm |
| Definitive host for Spirocerca lupi? | Canines and Felines |
| Intermediate host for Spirocerca lupi? | dung beetle |
| Location of adult is Spirocerca lupi? | esophageal wall |
| Transmission route of Spirocerca lupi? | ingestion of eggs |
| Eggs have a unique paper clip shape | Spirocerca lupi |
| Where is Physaloptera species found? | Gastrointestinal tract |
| Common name for Physaloptera species | stomach worm of dogs and cats |
| Is Spirocerca lupi zoonotic? | No |
| Location of adult in Physaloptera species | lumen of the stomach or small intestine, more commonly attached to the stomach mucosa |
| Definitive host in Physaloptera species | canines and felines |
| Intermediate host for Physaloptera species | beetle, roach, or cricket |
| Transmission route of Physaloptera species | ingestion of eggs |
| Is Physaloptera species a zoonotic disease? | yes, however very rare |
| What color are Physaloptera species? | adults are creamy white |
| What can Physaloptera species be confused with? | ascarids but can be differentiated by examination of eggs microscopically |
| Ollulanus tricuspis is also called | feline stomach worm |
| Common name for Ollulanus tricuspis | Feline trichostrongyle |
| Ollulanus tricuspis is found in? | Gastrointestinal tract |
| Location of adult in Ollulanus tricuspis? | stomach |
| Definitive host of Ollulanus tricuspis? | Felines |
| Transmission route of Ollulanus tricuspis? | Ingestion of larvae from vomitus |
| Is Ollulanus tricuspis zoonotic? | no |
| How is Ollulanus tricuspis identified? | under a microscope |
| Where is Ollulanus tricuspis seen? | in cats with chronic vomiting after eating |
| Location of adult in Toxocara canis, Toxocara cati, and Toxascaris leonina? | Small intestines |
| Toxocara canis, Toxocara cati, and Toxascaris leonina is found in? | Gastrointestinal Tract |
| Transmission route of Toxocara canis, Toxocara cati, and Toxascaris leonina? | Ingestion of egg with infective larva |
| Common name for Toxocara canis, Toxocara cati, and Toxascaris leonina? | Canine and feline roundworms (ascarids) |
| Toxocara canis, Toxocara cati, and Toxascaris leonina is common in... | puppies and kittens |
| Symptoms of Toxocara canis, Toxocara cati, and Toxascaris leonina are.... | vomiting, diarrhea, constipation, and other nonspecific clinical signs |
| Is Toxocara canis zoonotic? | yes |
| Is Toxocara cati zoonotic? | yes |
| Is Toxascaris leonina zoonotic? | no |
| Definitive host in Toxocara canis? | dog |
| How can Toxocara canis be transmitted? | Transmammary and transplacental infections |
| Toxocara canis is referred to as.... | Roundworm belly |
| Visceral larval migrans | ingestion of an egg by a human, larvae hatch in the small intestine and travel to other organs such as the liver, lungs, heart, and brain. It is usually seen in young children eating dirt. |
| Definitive host in Toxocara cati? | cat |
| Definitive host in Toxacara leonina? | dogs and cats |
| Vermifuge | anthelmintic that paralyzes the parasite so it passes out in the feces |
| Vermicide | anthelmintic that kills the parasite and allows the parasite to be broken down by the body |
| Baylisascaris procyonis common name? | raccoon roundworm |
| Definitive host in Baylisascaris procyonis? | raccoon but also seen in many species |
| Location of adult in Baylisascaris procyonis? | small intestine |
| Baylisascaris procyonis is found in.... | Gastrointestinal tract |
| Is Baylisascaris procyonis zoonotic? | yes |
| Transmission route of Baylisascaris procyonis? | ingestion of eggs |
| Neurological larva migrans | very pathogenic parasite in the incidental host (humans), (NLM- brain and spinal cord), can result in the death of humans |