Flashcards
Common Nematode infections
Cards in this deck (44)
- 1Give a definition of taxonomyThe classification of biological organisms
- 2Give a definition of geohelminthsSoil transmitted helminths, where part of lifecycle is outside of the host, also known as intestinal nematodes. Infection by a geohelminth is cased by contact with eggs or larvae in contaminated soil or food.
- 3The term infestation is used to describe parasitic disease caused by?Ectoparasites or worms
- 4Give the name of three different geohelminths?Enterobius vermicularis
Trichuris trichiura
Ascaris lumbricoides - 5What is the common name for enterobius vermicularis?Pinworm or threadworm
- 6Infection with enterobius vermicularis is called?Enterobius/ oxyuriasis
- 7Enterobius infection is common in?Children under 10 years old
- 8The only hosts of enterobius vermicularis are?Humans
- 9Transmission of enterobius vermicuaris is via?Person to person
- 10Give 4 routes of transmission of enterobius vermicularisFoecal oral route
Exposure to soiled bed line/other objects
contamination via mouth/ nose from contaminated dust
retroinfection - 11Give 6 symptoms of pin worm infection?puritus ani
loss of appetite
secondary infection
vulvitis
insomnia, restlessness
upset - 12How can we diagnose enterobius vermicularis infectionCopromicroscopial examination of faeces, perianal scrapings, swabs from under fingernails. Stick cellotape to anus- collect eggs, look under microscope
- 13Give 6 prophylactic measures to avoid pin worm infectionTrim fingernails
wear cotton clothes
wear gloves during sleep
wash hands/ sheets
good hygiene
boil bed linen/sheets - 14Give 4complications of pin worm infection?small ulcerations at site of attachment
secondary infection/ haemorrhage
nonspecific colitis in children
ectopic infections - 15What is the drug of choice in treating pin worm infection?Mebendazole
- 16What class of drug does Mebendazole belong to?Benzimidazoles
- 17Give some advice on the use of mebendazole in treating pin wormChildren over 6 months old
treat whole family
sing dose
retreat after 2 weeks - 18Infection by Trichiuris trichiura is commonly known as?whip worm
- 19Trichiuris trichiura is most prevalent in?Tropic humid areas with poor sanitation
- 20There is no transmission of Trichiuris trichiura in?arid areas
- 21Where in the human body does Trichiuris trichiura live?The caecum of the ascending colon
- 22Give 3 ways in which we can diagnose Trichiuris trichiura infection?stool examination- detect eggs via microscopy using Kato-Katz method
egg counts
FLOTAC - 23A heavy infection with Trichiuris trichiura is described as?>10,000 eggs/gram of faeces
- 24Give some symptoms associated with a light whip worm infection?No symptoms
- 25Give some symptoms associated with a heavy whip worm infectionabdominal pain
mucus in stools
water in stools
blood in stools
rectal prolapse - 26Give some symptoms associated with a heavy whip worm infection that are specific to children?rectal prolapse
growth retardation
impaired cognitive development
severe anemia - 27Give 2 complications associated with whip worm?Trichuris dysentry syndrome
secondary infection - 28What is the drug of choice in treating patients with whip worm infection?Mebendazole
- 29What other drug is available to treat whip worm but is unavailable in the UK?Albendazole
- 30Mebendazole is contraindicated in?Pregnancy
- 31Infection with ascaris lumbricoides is commonly known as?roundworm
- 32The eggs of ascaris lumbricoides develop for how long outside of the host?21 days
- 33The females of ascaris lumbricoides can produce up to how many eggs per day?20,000
- 34ascaris lumbricoides cannot be morpologically from?A.suum
- 35Give 4 ways in which we can diagnose roundworm infection?copromicroscopic detection
Kato Katz
FLOTAC
Mcmaster - 36A heavy roundworm infection is described as?>50,000 eggs/ gram faeces
- 37Give some symptoms associated with a light roundworm infection?no symptoms
- 38Give some symptoms associated with a heavy roundworm infection?lung migration- cough, shortness of breath, wheezing
Intestinal- abdominal pain,fatigue, weight loss - 39Symptoms associated with the lung migration phase of round worm infection are similar to the symptoms to what other condition?asthma
- 40Give 2 complications of round worm infectionLoffler syndrome
Intestinal obstruction/ intussuseption - 41What is meant by intussusception?One part of the intestine slides into another. The intestine is blocked, can cause ischaemia, and tissue necrosis, gut perforation and peritonitis.
- 42What is first line treatment for round worm infectionmebendazole
- 43What is the dose of mebendazole in treating round worm?100mg bd for 3 days
- 44What 2 other drugs can be used for treating roundworm but are not licensed in the UK?albendazole
Levamisole
Information
- Description
- VPI Flashcards on Common Nematode infections, created by Samantha Gable on 28/08/2018.
- Created by
- Samantha Gable
- Views
- 0
- Rating