Parasitology part 1
Echinococcus and Beyond: A Parasitology Quiz
Test your knowledge on parasitic infections, diagnosis methods, and pathogenesis with our comprehensive Echinococcus and Beyond quiz! This engaging quiz covers a variety of topics within parasitology, focusing on identification, transmission, and clinical features associated with various parasites.
- Recognize key diagnostic methods
- Learn about transmission routes
- Understand clinical symptoms
Diagnosis of Echinococcus granulosus infection is based on the identification of:
Gravid proglottids or eggs in stool
Scolex in stool
Cyst structures by X-ray examinations
Cyst structures by ultrasonography
Cyst structures by computer tomography
Diagnosis of giardiasis is based on the detection of trophozoites or cysts in:
Blood smear
Cerebrospinal fluid
Stool smear
Muscle biopsy
Bronchoalveolar lavage
How can you diagnose trichinosis?
Serological test
Liver tissue biopsy
Stool analysis
Muscle tissue biopsy
Blood test
What samples are taken from the patient should be examined to diagnose enterobiasis and trichinellosis?
Scotch tape (anal swab) in enterobiasis and muscle tissue biopsy in trichinellosis
Pharyngeal swab in enterobiasis and blood samples (serologic test) in trichenellosis
Stool samples in both diseases
Blood samples (serologic test) in both diseases
Scotch tape (anal swab) in enterobiasis and stool sample in trichinellosis
Infection with Echinococcus granulosus and Echinococcus multilocularis are called respectively
Cysticercosis and taeniosis
Cystic echinococcosis (CE) and alveolar echinococcosis (AE)
Clonorchiasis and schistosomiasis
Schistosomiasis and taeniosis
Taeniosis and clonorchiasis
What is the method of choice for demonstrating an Entamoeba histolytica invasion?
Blood smear
Scotch tape preparation from perianal area
Detection of coproantigen in stool (immunoenzymatic assay
Direct stool examination (cysts and trophozoites detection)
USG, CT, radiological examination for extraintestinal ameobiasis
Clonorchis sinensis infection of human occurs by:
Ingestion of undercooked, salted, pickled or smoked meat
Ingestion of contaminated vegetables
The larvae penetration of the skin
Ingestion of a raw or improperly cooked pork
Ingestion of undercooked, salted pickled or smoked freshwater fish
Human trichinosis
May result from eating infected meat of wild boar, swine and horses
Has 3 main symptoms during muscle phase: myalgia, palpebral edema, eosinophilia
Is obligatory registered in EU countries
Is only caused by one species from genus Trichinella in Europe
Is very rare in Eastern Europe
In Africa, people may be infected with filarial worms various nematodes, which are transmitted, by insects, including:
Loa Loa
Onchocerca volvulus
Dracunculus medinensis
Ascaris lumbricoides
Wuchereria brancrofti
In the European Union trichinosis:
Consumption of raw or undercooked meat containing Trichinella larvae
Is connected with one species of Trichinella only
Is obligatory registered disease
Is more common in western than eastern part
Consumption of food contaminated by Trichinella eggs
Humans can be infected with Toxoplasma gondii by:
Receiving organ transplants
Swallowing or handling undercooked or raw meat that contains the tissue cyst form
Receiving blood products from donors with toxoplasmosis
Swallowing water, food or soil contaminated with faeces of infected cats
From a newly infected mother to her unborn baby (transplacental invasion)
Sexual intercourse
Milk
One may get infected with toxoplasmosis by:
Organ transplantation
Fresh milk
Blood transfusion
Placenta (from mother to fetus)
Raw meat
Sexual intercourse
Which of the results of the serological test shows the active toxoplasmosis?
Antibody IgA -negative
Antibody IgG –high positive (> 300 IU/ml)
High avidity of IgG antibodies
Antibodies IgM and IgG – negative
Antibody IgM – high positive
The scotch tape method preparation (cellophane tape) is used for egg detection of:
Trichuris trichiura
Enterobius vermicularis
Toxocara canis
Trichinella spiralis
Dracunculus medinensis
Which of the following parasitic diseases are severe opportunistic infections?
Pediculosis in healthy individuals
Demodicosis in patients with acne
Neurotoxoplasmosis in HIV patients with mental retardation and leukaemia
Acquired toxoplasmosis in HIV patients
Norwegian scabies in patients with mental retardation and leukaemia
Malaria
Toxoplasmosis
Norwegian scabies
I. Cryptosporidiosis
Acanthamoebiasis
Which nematode species are capable of autoinfection in humans?
Ascaris lumbricoides
Enterobius vermicularis
Dracunculus medinensis
Taenia solium
Wuchereria bancrofti
Which cestode species causes hydatid disease?
Enterobius vermicularis
Diphyllobothrium latum
Ascaris lumbricoides
Taenia saginata
Echinococcus granulosus
Which oft he following parasites never reaches the adult stage in humans?
Trichinella spiralis
Enterobius vermicularis
Toxocara canis
Wuchereria bancrofti
Taenia saginata
Retroinfection is characteristic for:
Trichiuns trichura
Enteropubis vermicularis
Echinococcus granulosusu
Tracnia saginata
Dogs and other canids serves as the definitive host for the following parasites:
Taenia solium and Taenia saginata
Ascaris lumbricoides and Enterobius vermicularis
Ascaris lumbricoides
Echinococcus granulosus and Toxocara canis
Trichomonas vaginalis and Plasmodium vivax
Schistosoma japonicum and Ascaris lumbricoides
Schistosoma haematobium
Taenia solium
Enterobius vermicularis
Enterobius vermicularis
Humans serve as the definite hosts of the following parasites:
Schistosoma mansoni
Schistosoma heamatobium
Schistosoma japonicum
Clonorchis sinensis
Taenia saginata
Toxocara canis and Schistosoma haematobium
Taenia saginata and Ascaris lumbricoides
Echinococcus multilocularis
Enchinococcus granulosus and Enterobius vermicularis
Humans may be intermediate hosts of:
Schistosoma haematobium
Schistosoma japonicum
Taenia saginata
Taenia solium
Echinococcus granulosus
Humans may be both intermediate and definitive host for?
Trichinella spiralis
Echinococcus multilocularis
Echinococcus granulosus
Taenia saginata
Clonorchis sinensis
Taenia solium
Schistosoma haematobium
What is the characteristics of pathogenesis of African Sleeping Sickness parasite?
Parasites aren't presented in bloodstream
After Tsetse fly bite painful chancre (skin ulcer) occurs
Months to years after bite, parasites invade CNS, brain and spinal fluid
Systemic illness develops with fever, lymphadenitis (Winterbottom's sign)
After kissing bug bite painless chagoma (skin ulcer)
Which of the following symptom is a specific sign of African sleeping sickness?
Bloody diarrhea
Visceral larva migrans
Vomiting
Swelling of lymph nodes (Winterbottom's sign)
Anemia
Which of the following symptom is a specific sign of diphyllobothriasis?
Eosinophilia
Vitamin B12 deficiency (megaloblastic anemia)
Nausea
Vomiting and diarrhea
Weight loss
Which of the following parasite can cause crusted Norwegian scabies in humans?
Ixodes Ricinus
Sarcoptes scabei
Pthirus pubis
Pediculus humanus
Cimex lectularius
Romana sign, cardiomegaly and megacolon are classic signs and symptoms associated with:
African trypanosomiasis (African sleeping sickness)
Dry cutaneous leishmaniasis (Oriental score)
American trypanosomiasis (Chagas disease)
Kala azar
Tertian malaria
Malaria
Haematuria (blood urine) is characteristic early clinical features of infection with:
Schistosoma japonicum
Schistosoma heamatobium
Schistosoma mansoni
Clonorchis sinensis
Taenia solium
Echinococcus multilocularis
Echinococcus granulosus
What nematodes with very high infestation can lead to anal prolapse and iron deficiency anaemia?
Enterobiasis
Ascariasis
Trichinellosis
Toxocariasis
Trichuriasis
Bloody diarrhea, abdominal pain & ulcers of large intestine are associated with:
Toxoplasmosis
Intestinal amoebiasis
Giardiasis
Trichomonasis
Malaria
Bloody diarrhea is classic symptom associated with infection
Tocoplasma gondii
Entamoeba histolytica
Giardia lamblia
Plasmodium vivax
Fever, headache, fatigue and a diagnostic skin rash called erythema migrans are signs of:
Pthirus pubis
Demodex foliculorum
Ixodes Ricinus
Pulex irritans
Pediculus humanus
Personality changes, Winterbottom sign & sleepiness, are classic signs and symptoms associated with:
Trypanosoma brucei gambiense
Trichomonas vaginalis
Trypanosoma brucei gambiense & trypanisoma cruzi
Giardia lamblia
Trypanosoma cruzi
A paediatric patient has symptoms of intense itching in the anal region (especially at night) and restless sleep. Which of the following diseases do you suspect?
Trichuriasis
Trichinosis
Visceral larva migrants
Ascariasis
Enterobiasis
Itching (increasing at night) and blue-grey discoloration of the skin in genital areas are signs of infestation with:
Ixodes Ricinus
Pulex irritans
Demodex folliculorum
Pthirus pubis
Cimex lectularius
Which of the following worms may cause neurocysticercosis in humans?
Enterobius vermicularis
Taenia saginata
Taenia solium
Diphyllobothrium latum
Schistosoma haematobium
Cysticercosis is caused by:
Taenia saginata
Schistosoma haematobium
Clonorchis sinensis
Echinococcus multilocularis
Taenia solium
In cerebrospinal fluid (CSF) we may find:
Trypanosoma brucei gambiense
Trypanosoma cruzi
Giardia intestinalis
Trichomonas vaginalis
Giardia lamblia
Hypnozoites (dormant forms in liver) are typical for?
Plasmodium knowlesi
Plasmodium falciparum
Plasmodium malaria
Plasmodium vivax
Plasmodium ovale
A 5-year-old child is suffering from abdominal colic, epigastric pain, anorexia, flatulence, vomiting, foul smelling loose greasy stool with mucus but no blood. During the examination, the doctor noticed signs of hypovitaminosis (A and B12). Which of the following parasites of small intestine do you suspect is the etiologic agent?
Enterobius vermicularis
Giardia lamblia
Plasmodium falciparum
Trichuris trichiura
Entamoeba histolytica
A girl aged 11-year-old comes to your office because of the itchiness started from her fingers and the spread in her wrist, armpits and back within the tome of one week. The skin lesion was in the form of elevated reddish tracks with ..... vesicles. Patient said that the itchiness worsened at night and her sleep was ruined by intense pruritus. Which of the following diseases do you suspect?
Demodicosis
Pediculosis
Scabies
Cimex lectularius bites
Pthiriasis
During endoscopy of rectum a doctor found white bodies of nematodes (about 3-4 cm length), which hanging from the mucosa. What nematodes species is the most probable and which additional diagnostics should be done?
Probable species: Ascaris lumbricoides
Additional diagnosis: muscle biopsy
Probable species: Trichuris trichiura
Probable species: Enterobius vermicularis
Additional diagnosis: stool examination
During a colonoscopy an ulcer was found in the submucosa of colon. Which of the following parasites do you suspect is the etiologic agent?
Trichomonas vaginalis
Giardia lamblia
Entamoebae coli
Entamoeba histolytica
Naegleria fowleri
Plasmodium vivax
A mother of three-month-old girl noticed that her baby had a large head which increased in size more than normal progress. Also, there was delayed mental development and loss of vision. The mother asked for medical advice and on CT examination, which showed hydrocephalus and cerebral calcification. Eye examination revealed chorioretininitis. Which of the following diseases don't you suspect?
Acquired toxoplasmosis
Congenital toxoplasmosis
Malaria
Trichomoniasis
Giardiasis
A pregnant female complained of vaginal itching with profuse and offensive discharge. Gynaecological examination revealed oedema, and strawberry-like vaginal mucosa. Given the symptoms and history, what is the most likely etiologic factor?
Trichomonas vaginalis
Trypanosome brucei gambiense
Giardia lamblia
Trypanosoma brucei rhodesiense
Trypanosoma cruzi
Diagnosis of giardiasis is based on the detection of trophozoites or cysts in:
Blood smear
Cerebrospinal fluid
Stool smear
Muscle biopsy
Bronchoalveolar lavage
Personality changes, Winterbottom sign & sleepiness, are classic signs and symptoms associated with:
Trypanosoma brucei gambiense
Trichomonas vaginalis
Trypanosoma brucei gambiense & trypanisoma cruzi
Giardia lamblia
Trypanosoma cruzi
In cerebrospinal fluid (CSF) we may find:
Trypanosoma brucei gambiense
Trypanosoma cruzi
Giardia intestinalis
Trichomonas vaginalis
Giardia lamblia
Bloody diarrhea, abdominal pain & ulcers of large intestine are associated with:
Toxoplasmosis
Intestinal amoebiasis
Giardiasis
Trichomonasis
Malaria
Which of the results of the serological test shows the active toxoplasmosis?
Trophozoites of toxoplasma gondii
Schizonts of plasmodium ovale
Schizonts of plasmodium vivax
Trophozoites of entamoeba histolytica
Cysts of entamoeba histolytica
Which of the results of the serological test shows the active toxoplasmosis?
Antibody IgA – negative
Antibody IgG – high positive (> 300 IU/ml)
High avidity of IgG antibodies
Antibodies IgM and IgG – negative
Antibody IgM – high positive
Which of the following drugs are used in chemoprophylaxis against malaria?
Spiramycin
Malarone
Melsoprol
Doxycycline
Metronidazole
2. Which of the following nematodoses are zoonoses?
Trichinellosis and toxocariasis
Enterobiasis and trichuriasis
Toxocariasis and enterobiasis
Enterobiasis and ascariasis
Trichinellosis and enterobiasis
How high is the prevalence of ascariasis in various tropical and subtropical regions of Asia & Africa, and how high is it in Poland?
In Asia and Africa, it can exceed 25%, and in Poland it is 10%
In Asia and Africa, it can exceed 60%, and in Poland it is <1%
In Asia, Africa & Poland it exceeds 50%
In Asia and Africa, it can exceed 55%, and in Poland it is 10%
In Asia and Africa, it can exceed 75%, and in Poland it is 20%
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