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Question 1:

Which of the following is a respiratory disease caused by viral infection?

A) Asthma
B) Chronic obstructive pulmonary disease (COPD)
C) Tuberculosis
D) Influenza

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Explanation: The correct answer is D) Influenza. Influenza, commonly known as the flu, is a respiratory disease caused by viral infection. It is characterized by symptoms such as fever, cough, sore throat, body aches, and fatigue. Influenza can be caused by different strains of the influenza virus.

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Question 2:

Which of the following respiratory diseases is characterized by the narrowing of airways and difficulty in breathing?

A) Pneumonia
B) Emphysema
C) Bronchitis
D) Asthma

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Explanation: The correct answer is D) Asthma. Asthma is a chronic respiratory disease characterized by the narrowing of the airways, inflammation, and increased sensitivity to triggers. People with asthma experience recurrent episodes of wheezing, coughing, chest tightness, and shortness of breath.

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Question 3:

Which of the following respiratory diseases is caused by long-term exposure to airborne irritants, such as cigarette smoke?

A) Pneumonia
B) Tuberculosis
C) Chronic obstructive pulmonary disease (COPD)
D) Bronchitis

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Explanation: The correct answer is C) Chronic obstructive pulmonary disease (COPD). COPD is a progressive respiratory disease characterized by airflow limitation and breathing difficulties. It is most commonly caused by long-term exposure to irritants such as cigarette smoke, air pollution, and occupational hazards.

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Question 4:

Which of the following is a contagious bacterial respiratory disease that primarily affects the lungs?

A) Asthma
B) Pneumonia
C) Emphysema
D) Bronchitis

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Explanation: The correct answer is B) Pneumonia. Pneumonia is an infection that causes inflammation in one or both lungs. It can be caused by various infectious agents, including bacteria, viruses, and fungi. Pneumonia can lead to symptoms such as cough, fever, chest pain, and difficulty breathing.

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Question 5:

Which of the following is a chronic autoimmune respiratory disease characterized by inflammation and scarring of the lung tissue?

A) Asthma
B) Emphysema
C) Tuberculosis
D) Idiopathic pulmonary fibrosis

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Explanation: The correct answer is D) Idiopathic pulmonary fibrosis. Idiopathic pulmonary fibrosis (IPF) is a chronic respiratory disease characterized by the formation of scar tissue in the lungs. The exact cause of IPF is unknown, and it is considered an autoimmune disease. IPF leads to progressive lung stiffness and reduced lung function.