Exam 17: The Respiratory System

Describe lung cancer.What is the most common cause and how can it be treated?

The total area for gas exchange in the lung is about 10 square meters,larger than the entire surface of the body.

What structures are included in the upper respiratory tract? In the lower respiratory tract?

One of the functions of the mucous blanket is the removal of contaminants from the air that is inhaled.

Match each disease or condition with its corresponding definition or description. -another term for a nosebleed

Pleurisy is a condition in which part of the lung cannot completely expand or has collapsed.

The paranasal sinuses drain into the pharynx.

One of the functions of the respiratory mucosa is to

If external respiration is working properly,the blood leaving the lung will have more oxyhemoglobin and less carbaminohemoglobin than the blood entering the lung.

If the auditory tubes were blocked,it could make an airplane flight very uncomfortable.

The contraction of the diaphragm increases the size of the thoracic cavity.

The trachea,or windpipe,connects the larynx and the bronchi.

Briefly describe the structure of the nose.Describe the paranasal sinuses and their function.

MATCHING Match each of the following terms with its corresponding definition or description. -a thin membrane that lines the thoracic cavity and covers the lungs

An incomplete expansion or collapse of a lung for any reason is called

The body responds in two ways if the cells need more oxygen: the rate and depth of breathing increases and the heart rate increases.