Tuberculosis Infection Characteristics
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Questions and Answers

Which type of organism causes Tuberculosis?

  • Gram-negative aerobic bacilli
  • Non-spore-forming aerobic bacilli (correct)
  • Gram-positive anaerobic cocci
  • Spore-forming anaerobic cocci
  • What is the primary organ involved in Tuberculosis?

  • Heart
  • Lungs (correct)
  • Kidneys
  • Liver
  • Which factor does NOT contribute to an increase in Tuberculous infection?

  • Nutritional deficiency (vitamin D)
  • Corticosteroids or immunosuppressant therapy
  • Obesity (correct)
  • Chronic kidney disease
  • How does Tuberculosis predominantly spread?

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

    What is the key requirement for developing an infection from active pulmonary tuberculosis?

    <p>Prolonged exposure to infected individuals</p> Signup and view all the answers

    What is the characteristic lesion seen in tuberculosis pathology?

    <p>Granuloma with central caseation and Langerhans giant cells</p> Signup and view all the answers

    How does tuberculosis typically spread to distant sites like the liver or spleen?

    <p>Through the lymphatics</p> Signup and view all the answers

    What is the first infection known as in tuberculosis?

    <p>Primary tuberculosis</p> Signup and view all the answers

    In immunocompetent individuals, how does the initial tuberculosis lesion usually heal?

    <p>By fibrosis</p> Signup and view all the answers

    What causes post-primary pulmonary tuberculosis with cavitation?

    <p>Reactivation of dormant TB bacilli due to host immune system depression</p> Signup and view all the answers

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