Exam 35: Respiratory Tract

Which of these structures is not part of the nasal septum?

The olfactory epithelium is a special part of the respiratory mucosa.

The primary bronchi and the pulmonary blood vessels bound together by connective tissue form what is called the root of the lung.

The hollow nasal cavity is separated by a midline partition, the conchae, dividing it into a right cavity and a left cavity.

Both the right lung and the left lung have an oblique fissure.

The first structure with which the air comes in contact as it moves from the nose into the pharynx is the anterior nares.

Kelly is 5 years old and is a mouth breather. She has had repeated episodes of tonsillitis, and her pediatrician suggests removal of her tonsils and adenoids. He further suggests that the surgery may cure her mouth-breathing problem. Why is this a possibility?

The parietal layer of the pleura lines the entire thoracic cavity.

Explain how the respiratory membrane allows for an efficient exchange of gases in the lung.

The pharynx is a tubelike structure that opens only into the mouth and larynx.

The parts of the thoracic cavity occupied by the lungs are called the pleural divisions.

Gas exchange, the lungs' main and vital function, takes place in the:

Surfactant is a fluid coating the alveoli that reduces surface tension.

The fauces, one of the seven openings found in the pharynx, opens into the:

Identify some factors about the structure of lung tissue that make efficient gas exchange possible.

The arytenoid cartilages are the most important of the paired laryngeal cartilages.

Because cigarette smoke contains so many irritants, the longer someone smokes the more it acts as a stimulant for the cilia in the respiratory system to move more rapidly to clean out the bronchi.

Which of the following is not a function of the pharynx?

The approximate length of the trachea, or windpipe, is _____ cm.

The changing shape of the pharynx allows the production of different vowel sounds.