Breathing and Exchange of Gases MCQs | Breathing and Exchange of Gases Very Short Questions and Answers

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Questions
1 Flattening of alveola ducts(tracheal vessels)results in
A asthma
B emphysema
C lung cancer
D bronchitis

Answer:emphysema
2 Which of these protects the larynx
A pharnx
B trachea
C epiglottis
D naso-pharynx

Answer:epiglottis
3 Which is not a viral infection
A vocational lung disease
B bronchitis
C asthma
D emphysema

Answer: vocational lung disease
4 In which case specific gases ,chemicals or suspended particulate matter in air are not responsible for this disease
A silicosis
B asbestosis
C fibrosis
D pneumonia

Answer:pneumonia
5 In human beings
A left lung is slightly smaller
B left lung is slightly wider
C right lung is slightly smaller
D both lungs are of similar size

Answer: left lung is slightly smaller
6 The left lung is slightly smaller so as
A it is exception
B no specific reason
C both A and B
D to accommodate heart

Answer: to accommodate heart
7 This disease is due to allergens
A emphysema
B bronchitis
C pneumonia
D asthma

Answer: asthma
8 The centre which excites both the activities during rapid breathing is
A ventral respiratory center
B lateral respiratory center
C pneumotoxic center
D dorsal respiratory center

Answer:ventral respiratory center

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