Muscular tube commonly called the throat.

Where gas exchange takes place.

Large tubes that serve as a passageway for air.

Cartilaginous ridge at the end of the trachea.

Small airways that lack supportive cartilage.

Acts as a passageway between the pharynx and trachea; also produces sound.

Large tube supported by C-shaped rings of cartilage; often called the "windpipe".

Air is warmed and moistened in the

Which of the following is a function of the respiratory system?

Which region of the pharynx contains openings for the eustachian tubes?

Which region of the pharynx contains the tonsils?

The trachea leads to the

Which of the following is true about the larynx?

What purpose does the mucus in the nasal cavity serve?

The space at the back of the mouth that leads either to the airway or the esophagus is the

Oxygen from the air enters the bloodstream at what location?

What function do the vestibular folds of the larynx serve?

Based on your knowledge of the anatomy of the lower respiratory tract, where is the most likely location for an aspirated piece of food to lodge and why?

Hyaline cartilage has what primary function?

What is the purpose of surfactant?

When the diaphragm contracts (is pulled downward), _________ occurs.

What divides the left and right side of the nasal cavity?

Which substance normally exists in the pleural cavity?

What is the respiratory membrane and what is its role in ventilation?

What is the main muscle responsible for pulmonary ventilation?

Which of the following most accurately describes muscle activity during normal inspiration?

You notice that a patient's sternocleidomastoid and scalene muscles are contracting with respiration. What should you conclude based on this observation?

The inspiratory and expiratory centers are located in the

What role is served by the pneumotaxic center?

A patient is experiencing low blood levels of oxygen. Which of the following processes are most likely to occur?

Which of the following statements is true?

The alveoli contain small amounts of fluid to

If the thoracic wall is punctured, air will rush in and the negative intrapleural pressure will be lost

The residual volume is the amount of air remaining in the lungs after a forceful expiration.

Vital capacity is the amount of air that can be inhaled and exhaled with the deepest possible breath.

Total lung capacity is the maximum amount of air that the lungs can contain.

The vast majority of carbon dioxide is carried in the form of bicarbonate ions.

Projecting from the lateral wall of each nasal cavity are three bones called ___ that create narrow passages.

A piece of cartilage called the _____ closes over the top of the larynx during swallowing to direct food and liquids into the esophagus.

The nasal cavity is separated from the mouth by a bony structure called the ____.

The opening between the vocal cords is called the _____.

The serous membrane covering the surface of the lungs is called the ____ _____.

Pressure in the pleural cavity is ____ than atmospheric pressure to assist with lung inflation.

The principle that states that at a constant temperature, a given volume of gas will exert more pressure in a smaller space than it will in a larger space is known as _____ ______.

The pressure that drives respiration is _____ pressure.

The contribution of a single gas in any mixture of gases is called ____ _____.