BREATHING AND EXCHANGE OF GASES

Question - 75 Maximum mark : - 75

Choose the correct option for A, B and C to complete the given data

A-40, B-95, C-40 A-45, B-95, C-45 A-35, B-95, C-45 A-35, B-95, C-95 NULL NULL NULL

Floating ribs of thoracic cage are

1st to 7th pair 8th to 9th pair 8th to 10th pair 11th to 12th pair NULL NULL NULL

At which thoracic vertebra does trachea divide into right and left primary bronchi?

5 6 9 4 NULL NULL NULL

The partial pressure of oxygen in the alveolar air is

45 mm Hg 95 mm Hg 104 mm Hg 110 mm Hg NULL NULL NULL

Inspiration is initiated by

Extension of the diaphragm Contraction of the diaphragm Extension of the lungs Contraction of the lungs NULL NULL NULL

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