Asthma and Bronchiectasis
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About this topic
This topic examines two important obstructive airway diseases: Asthma and Bronchiectasis. Zambian tertiary students in medicine and pathology will explore asthma as a chronic inflammatory disorder characterized by bronchial hyperresponsiveness, reversible airflow obstruction, and episodic symptoms. You will learn about extrinsic, intrinsic, and mixed types, along with the underlying pathophysiology involving mast cells, eosinophils, and inflammatory mediators. Bronchiectasis is covered as a condition of permanent, abnormal dilation of bronchi due to chronic infection and inflammation, leading to chronic cough and purulent sputum. Understanding these diseases is crucial for differential diagnosis of chronic cough and wheezing, interpreting pulmonary function tests, and managing patients with recurrent respiratory infections. This knowledge is essential for university exams in respiratory pathology and clinical medicine, preparing you for practice in pulmonology and primary care settings across Zambia.
What you'll practise (5 questions)
- Which lung disease is defined clinically as a productive cough for at least 3 consecutive months for 2 consecutive years?
- What is the term for the abnormal permanent enlargement of airspaces distal to the terminal bronchiole with destruction of their walls?
- What is the term for the maximum volume of air that can be exhaled after a maximal inhalation?
- What is the name of the procedure to examine the airways and lungs using a flexible tube?
- What is the name of the condition where there is chronic inflammation of the bronchi, leading to coughing and mucus production?
Answer each question above to see the correct answer and a full explanation.