Medical Microbiology Quiz
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Questions and Answers

What is the most common symptom caused by Entamoeba histolytica?

  • Chagas disease
  • Kala Azar
  • Tertian fever
  • Typical flask-shaped ulcer (correct)
  • Which parasite is responsible for causing cerebral malaria?

  • Plasmodium falciparum (correct)
  • Plasmodium malariae
  • Plasmodium vivax
  • Plasmodium ovale
  • What disease is Naegleria fowleri known to cause?

  • Meningoencephalitis (correct)
  • Sleeping sickness
  • Hepatic abscess
  • Urethritis in men
  • Which protozoan parasite lacks a truly defined shape?

    <p>Protozoa with no truly defined shape</p> Signup and view all the answers

    What is the main complication associated with toxoplasmosis?

    <p>Congenital infection</p> Signup and view all the answers

    Which parasite causes visceral leishmaniasis (Kala Azar)?

    <p>Leishmania donovani</p> Signup and view all the answers

    What characteristic best describes pseudomonas, a bacteria infected in degree burns?

    <p>Green pus from pyoverdine production.</p> Signup and view all the answers

    In a patient with pneumonia and pulmonary abscess, what organism is the most likely causative pathogen based on the described characteristics?

    <p>Klebsiella pneumoniae.</p> Signup and view all the answers

    What is a likely characteristic of Chlamydia trachomatis, the causative agent of trachoma?

    <p>Requires sterols.</p> Signup and view all the answers

    Which virus is most likely the cause of infectious mononucleosis in the patient?

    <p>Epstein-Barr Virus</p> Signup and view all the answers

    What type of colonies are seen on MacConkey agar in the described infection case?

    <p>Mucoid pink colonies.</p> Signup and view all the answers

    What is the most likely cause of the rash with vesicles on one side of the upper trunk, shoulder, and arm?

    <p>Varicella-Zoster Virus</p> Signup and view all the answers

    Where is the nucleoid located in bacterial cells, and what is its likely characteristic?

    <p>It is a single, continuous, circular single-stranded DNA.</p> Signup and view all the answers

    Which component of the bacterial cell wall is mentioned as important in the text?

    <p>Peptidoglycan.</p> Signup and view all the answers

    Which of the following is a type 2 Herpes Infection?

    <p>Herpes genitalia</p> Signup and view all the answers

    What is the main effector function carried out by the membrane attack complex (MAC) in the complement activation pathway?

    <p>Cytolysis of foreign organisms</p> Signup and view all the answers

    How is Cytomegalovirus (CMV) primarily transmitted?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is NOT part of the innate immune response?

    <p>B cell</p> Signup and view all the answers

    What is the Latency period in virology defined as?

    <p>The ability of viruses to lie dormant phase.</p> Signup and view all the answers

    What is the main mediator of an immediate allergic reaction to peanuts in a child?

    <p>IgE antibody</p> Signup and view all the answers

    What is the main line of defense against extracellular bacteria?

    <p>Complement activation by alternative pathway</p> Signup and view all the answers

    In a tuberculin test, what is the most likely mechanism of tissue damage?

    <p>Cell mediated</p> Signup and view all the answers

    What is a molecule that reacts with a specific antibody but is not immunogenic by itself called?

    <p>Hapten</p> Signup and view all the answers

    Which parasite is known for causing dysentery and rectal prolapse as a complication of infection?

    <p>Dysentery and rectal prolapse</p> Signup and view all the answers

    What is the infective stage of Ancylostoma duodenale?

    <p>Filariform larva</p> Signup and view all the answers

    Where is the habitat of the Schistosoma haematobium adult worm?

    <p>Urinary bladder blood vessels</p> Signup and view all the answers

    Which parasite is known to cause lymphadenitis, elephantiasis, and lymphedema?

    <p>Wuchereria bancrofti</p> Signup and view all the answers

    What is considered the causative agent when a 2-year-old boy vomits worms?

    <p>Ascaris lumbricoides</p> Signup and view all the answers

    Which parasite has an adult form that possesses teeth or blades and suckers to draw blood?

    <p>Ancylostoma duodenale</p> Signup and view all the answers

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