General Pathology-2: Chronic Inflammation Tuberculosis Lecture

Play an AI-generated podcast conversation about this lesson

What is the primary cause of tuberculosis?

Mycobacterium tuberculosis (correct)

Fungi

Virus

Parasite

Which of the following is NOT considered a living irritant that can cause cell injury?

Acids (correct)

Viruses

Bacteria

Parasites

In which communities is tuberculosis more common?

Urban communities

Communities with high standards of nutrition and housing

Rural communities

Communities with low standards of nutrition and housing (correct)

Which stain is best used for staining tubercle bacilli?

Ziehl-Neelsen stain Signup and view all the answers

What type of bacilli are tubercle bacilli?

Gram-positive, acid-fast Signup and view all the answers

Which of the following is a predisposing factor for tuberculosis?

Low standard of nutrition Signup and view all the answers

What are the primary living irritants that can cause cell injury?

Bacteria, viruses, parasites, fungi Signup and view all the answers

Which of the following is a non-living irritant?

Excess heat Signup and view all the answers

What is the primary cause of tuberculosis in communities with low standards of nutrition and housing?

Human tubercle bacilli Signup and view all the answers

What are the best stains used for staining tubercle bacilli?

Ziehl-Neelsen stain Signup and view all the answers

What is the basic lesion of tuberculosis?

Proliferative tissue reaction Signup and view all the answers

How are tubercles formed in tuberculosis?

By engulfing the bacilli by macrophages and alteration into epithelioid cells Signup and view all the answers

Which mode of infection leads to lung tuberculosis?

Inhalation of contaminated dust Signup and view all the answers

What is the mechanism of caseation in tuberculosis?

Hypersensitivity (cytotoxic lymphokines) Signup and view all the answers

Which type of tuberculosis mainly affects adults in Egypt?

Secondary Tuberculosis Signup and view all the answers

In primary pulmonary tuberculosis, what is the initial tuberculous lung lesion called?

Ghon's Focus Signup and view all the answers

What is the fate of primary tuberculosis?

Localization and healing Signup and view all the answers

What are the factors influencing the course of TB?

Immunity & Hypersensitivity Signup and view all the answers

What is the bacterial effect on tissues in tuberculosis?

Tuberculoprotein causes destructive lesions attributed to hypersensitivity reactions. Signup and view all the answers

In which mode of infection are bacteria expectorated in sputum of patients having pulmonary tuberculosis?

Inhalation of contaminated dust. Signup and view all the answers