An infectious disorder of respiratory system is_________________?
Correct answer: C. Tuberculosis
- A. Cancer
- B. Asthma
- C. Tuberculosis
- D. Emphysema
Explanation
Tuberculosis is an infectious respiratory disease caused mainly by Mycobacterium tuberculosis and can spread through airborne droplets. Asthma, emphysema and most lung cancers are not infectious disorders, although students may choose asthma because it is also a common breathing problem.
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About Human Respiratory System
The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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