Zoonoses Flashcards

1
Q

Choose the most appropriate answer from the list

  • Brucellosis
  • Rocky Mountain fever
  • Cat Scratch disease
  • Leptospirosis
  • Lyme Disease
  • Q Fever
  • Mycobacterium Tuberculos
  • Psittacosis
  • Rabies

A 40 year old man recently returns from travel in North America, presenting with fever, flu like symptoms and a bulls-eye rash.

A

Lyme Disease

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2
Q

Choose the most appropriate answer from the list

  • Brucellosis
  • Rocky Mountain fever
  • Cat Scratch disease
  • Leptospirosis
  • Lyme Disease
  • Q Fever
  • Mycobacterium Tuberculos
  • Psittacosis
  • Rabies

A 35 year old man recently returns from South Asia and presents to his GP with an undulant fever, malaise, rigors and arthralgia. He admits to drinking unpasteurised milk.

A

Brucellosis

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3
Q

Choose the most appropriate answer from the list

  • Brucellosis
  • Rocky Mountain fever
  • Cat Scratch disease
  • Leptospirosis
  • Lyme Disease
  • Q Fever
  • Mycobacterium Tuberculos
  • Psittacosis
  • Rabies

A 20 year old woman returns from Southern France where she spent time on a farm. She presents with fever, a dry cough and diarrhoea.

A

Q Fever

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4
Q

Choose the most appropriate answer from the list

  • Brucellosis
  • Rocky Mountain fever
  • Cat Scratch disease
  • Leptospirosis
  • Lyme Disease
  • Q Fever
  • Mycobacterium Tuberculos
  • Psittacosis
  • Rabies

An ornithologist presents to his GP with fever, arthalgia and cough and dyspnoea. Levathar-cole-lillie bodies can be seen on bronchoalveolar lavage.

A

Psittacosis

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5
Q

Choose the most appropriate answer from the list

  • Brucellosis
  • Rocky Mountain fever
  • Cat Scratch disease
  • Leptospirosis
  • Lyme Disease
  • Q Fever
  • Mycobacterium Tuberculos
  • Psittacosis
  • Rabies

A 30 year old sewage worker presents with a 1 week history of flu like symptoms with diarrhoea. The diagnosis is confirmed with a microscopic agglutination test.

A

Leptospirosis

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6
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Bartonellosis
  • Leptospirosis
  • Brucellosis
  • Lyme borreliosis
  • Cryptococcosis
  • Psittacosis
  • Dengue fever
  • Rabies
  • Ehrlichiosis
  • Rickettsia
  • Hydatid disease
  • Trench fever
  • Lassa fever
  • Q fever

A pigeon fancier presents with a cough, low-grade fever and chest pain. Indian ink CSF stain was positive. He was treated with fluconazole.

A

Cryptococcosis

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7
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Bartonellosis
  • Leptospirosis
  • Brucellosis
  • Lyme borreliosis
  • Cryptococcosis
  • Psittacosis
  • Dengue fever
  • Rabies
  • Ehrlichiosis
  • Rickettsia
  • Hydatid disease
  • Trench fever
  • Lassa fever
  • Q fever

A 40-year-old man presents with abdominal pain. On examination, he has hepatomegaly. Abdominal ultrasound reveals a well-defined round lesion in the liver. He tells you he has two dogs.

A

Hydatid disease

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8
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Bartonellosis
  • Leptospirosis
  • Brucellosis
  • Lyme borreliosis
  • Cryptococcosis
  • Psittacosis
  • Dengue fever
  • Rabies
  • Ehrlichiosis
  • Rickettsia
  • Hydatid disease
  • Trench fever
  • Lassa fever
  • Q fever

An Eastern European vet presents with fever and sweating and a one-month history of malaise, weight loss and myalgia. Rose Bengal test was positive and blood cultures reveal gram negative bacilli.

A

Brucellosis

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9
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Bartonellosis
  • Leptospirosis
  • Brucellosis
  • Lyme borreliosis
  • Cryptococcosis
  • Psittacosis
  • Dengue fever
  • Rabies
  • Ehrlichiosis
  • Rickettsia
  • Hydatid disease
  • Trench fever
  • Lassa fever
  • Q fever

A 21-year-old medical student presents with a sore throat, fever, headache and myalgia. She has recently returned from volunteering at a hospital in Nigeria, where she helped deliver babies. She is treated with a slow IV infusion of ribavarin.

A

Lassa fever

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10
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Bartonellosis
  • Leptospirosis
  • Brucellosis
  • Lyme borreliosis
  • Cryptococcosis
  • Psittacosis
  • Dengue fever
  • Rabies
  • Ehrlichiosis
  • Rickettsia
  • Hydatid disease
  • Trench fever
  • Lassa fever
  • Q fever

A 12-year-old boy presents with a fever, headache, malaise and a non-specific rash. His parents tell you he’s had several tick bites while on holiday in the US. FBC shows leucopenia and thrombocytopenia, and LFT reveals a raised AST.

A

Ehrlichiosis

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11
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Borreliosis
  • Malaria
  • Brucellosis
  • Rabies
  • Chagas disease
  • Schistosomiasis
  • Cholera
  • Shigella
  • Cryptosporidiosis
  • Toxoplasmosis
  • Cutaneous larva migrans
  • vCJD
  • Dengue fever
  • Yersinia pestis

Bullet shaped virus, incubation 1-3 months

A

Rabies

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12
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Borreliosis
  • Malaria
  • Brucellosis
  • Rabies
  • Chagas disease
  • Schistosomiasis
  • Cholera
  • Shigella
  • Cryptosporidiosis
  • Toxoplasmosis
  • Cutaneous larva migrans
  • vCJD
  • Dengue fever
  • Yersinia pestis

Major cause of death of children in endemic areas, can be hard to diagnose as protean manifestations but often presents with erythema migrans

A

Borreliosis

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13
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Borreliosis
  • Malaria
  • Brucellosis
  • Rabies
  • Chagas disease
  • Schistosomiasis
  • Cholera
  • Shigella
  • Cryptosporidiosis
  • Toxoplasmosis
  • Cutaneous larva migrans
  • vCJD
  • Dengue fever
  • Yersinia pestis

Dogs, cats and other animals are primary hosts, larval form can cause a red pruritic eruption, confined to dermis. Wearing of shoes is an effective prevention method in infected areas.

A

Cutaneous larva migrans

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14
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Borreliosis
  • Malaria
  • Brucellosis
  • Rabies
  • Chagas disease
  • Schistosomiasis
  • Cholera
  • Shigella
  • Cryptosporidiosis
  • Toxoplasmosis
  • Cutaneous larva migrans
  • vCJD
  • Dengue fever
  • Yersinia pestis

PUO / undulant fever, can cause meningocephalitis but rarely life threatening. Currently not present in the UK

A

Brucellosis

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15
Q

Choose the most appropriate answer from the list

  • Anthrax
  • Leishmaniasis
  • Borreliosis
  • Malaria
  • Brucellosis
  • Rabies
  • Chagas disease
  • Schistosomiasis
  • Cholera
  • Shigella
  • Cryptosporidiosis
  • Toxoplasmosis
  • Cutaneous larva migrans
  • vCJD
  • Dengue fever
  • Yersinia pestis

Bacillus with reservoir in rodents

A

Yersinia pestis

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16
Q

Choose the most appropriate answer from the list

  • Malaria (P. falciparum)
  • Dengue fever
  • Malaria (P. vivax)
  • Yellow fever
  • Malaria (P. malariae)
  • Chikungunya fever
  • Lassa fever
  • Typhus fever
  • Marburg fever
  • Typhoid fever
  • Ebola fever
  • Bubonic plague
  • Poliomyelitis
  • Brucellosis
  • West Nile fever
  • Lyme disease

A 33 year old woman presents with a history of sudden onset fever, headache and myalgia. She spent most of the summer outside and recalls getting bitten by multiple mosquitos. On examination, she is pyrexial with a maculopapular rash of the trunk and extremities. CSF sample shows elevated protein and cell count, with a PMN predominance, and decreased CSF glucose. In addition, the doctor mentions to you that most patients with this condition are asymptomatic, and finding specific IgM would establish the diagnosis.

A

West Nile fever

17
Q

Choose the most appropriate answer from the list

  • Malaria (P. falciparum)
  • Dengue fever
  • Malaria (P. vivax)
  • Yellow fever
  • Malaria (P. malariae)
  • Chikungunya fever
  • Lassa fever
  • Typhus fever
  • Marburg fever
  • Typhoid fever
  • Ebola fever
  • Bubonic plague
  • Poliomyelitis
  • Brucellosis
  • West Nile fever
  • Lyme disease

A 20 year old man presents with sudden onset fever, myalgia and headache. Just before feeling unwell, he had noticed an intensely painful swelling in his left groin. He has just returned from a field trip in New Mexico and mentioned that there were some small bites on his legs which were very itchy. When you go to see him, his leg is held flexed and in external rotation and the lump is about 5cm long and tender to touch, with local oedema. Blood cultures reveal a gram negative coccobacillus.

A

Bubonic plague

18
Q

Choose the most appropriate answer from the list

  • Malaria (P. falciparum)
  • Dengue fever
  • Malaria (P. vivax)
  • Yellow fever
  • Malaria (P. malariae)
  • Chikungunya fever
  • Lassa fever
  • Typhus fever
  • Marburg fever
  • Typhoid fever
  • Ebola fever
  • Bubonic plague
  • Poliomyelitis
  • Brucellosis
  • West Nile fever
  • Lyme disease

A 16 year old woman presents with three days of constantly high fevers and aches and pains of the lower back. There is a predominantly frontal headache and retro-orbital pain worse on eye movement. Temperature is 38.4, BP 110/80 and radial pulse of 92. There is generalised flushing of the skin over her body on examination. Laboratory tests report a thrombocytopenia and leucopenia.

A

Dengue fever

19
Q

Choose the most appropriate answer from the list

  • Malaria (P. falciparum)
  • Dengue fever
  • Malaria (P. vivax)
  • Yellow fever
  • Malaria (P. malariae)
  • Chikungunya fever
  • Lassa fever
  • Typhus fever
  • Marburg fever
  • Typhoid fever
  • Ebola fever
  • Bubonic plague
  • Poliomyelitis
  • Brucellosis
  • West Nile fever
  • Lyme disease

A 56 year old woman presents to her GP with a history of a fever and headache with chills and rigors, and she feels her heart racing during these episodes. She mentions that the fever now occurs which at regular intervals every 72 hours. She mentions that she flew to New Zealand to visit relatives but the plane stopped over in Nigeria to refuel. Her GP makes a diagnosis of influenza and tells her to go home. Two days later, she presents to A&E with similar symptoms and vomiting. She is now mildly jaundiced.

A

Malaria (P. malariae)

20
Q

Choose the most appropriate answer from the list

  • Malaria (P. falciparum)
  • Dengue fever
  • Malaria (P. vivax)
  • Yellow fever
  • Malaria (P. malariae)
  • Chikungunya fever
  • Lassa fever
  • Typhus fever
  • Marburg fever
  • Typhoid fever
  • Ebola fever
  • Bubonic plague
  • Poliomyelitis
  • Brucellosis
  • West Nile fever
  • Lyme disease

A 25 year old man presents with 6 weeks of fever, joint pain and weight loss. Two months ago, he had worked extensively in the animal industry in Romania and mentions he has been exposed to their products of conception, urine and faeces many times. He also drinks unpasteurised goats’ milk frequently. On examination he has hepatosplenomegaly and is tachycardic. He mentions that his immunisations are all up to date. The first year medical student thinks that the patient is going to die and palliative care should be initiated.

A

Brucellosis