3- which of the following can be measured by spirometry:

4- The volume of air that inspired and expired in Each normal breath:

5- Tidal volume is equal to :

6- The technique that measures the air that is expired and inspire.:

7- The maximum volume of air that can be inspired over tidal volum :

8-The volume of air that remain in the lung after maximurn expiration :

9- The total volume of air in the lung after maximum inspiration :

Most sinuses open into middle meatus except

Most sinuses open into:

Inferior meatus is an opening or a duct for :

Sphenopalatine artery branch form:

Trigeminal N has

Venues daring of nasal cavity :

It Link between nasopharynx and the middle ear :

Nasopharynx Supplied by

Larynx extends from:

All the following main cartilage except:

In the larynx all the following are hyaline cartilage except