Exam 17: The Respiratory System

Explain the role of the medulla oblongata and the pons in regulating respiration.

The two most important respiratory control centers for regulating breathing are located in which part of the brain?

Explain how the structure of the alveoli increases the efficiency of gas exchange in the lung.

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

What is laryngitis? What is epiglottitis? Who is most at risk for these and what are the symptoms?

MATCHING Match each of the following terms with its corresponding definition or description. -a membrane that lines most of the tubes of the air distribution system

Match each disease or condition with its corresponding definition or description. -an obstructive disorder characterized by recurring spasms of the smooth muscle of the walls of the bronchial air passages

Dyspnea that is relieved by moving to an upright or sitting position is called apnea.

For inspiration to occur,the interior of the chest cavity must be below atmospheric pressure.

The exchange of gases between the lung and the blood is called

Hemostasis is another name for a nosebleed.

Explain the role of the chemoreceptors and the pulmonary stretch receptors in regulating respiration.

The pharynx contains tonsils.

Chemoreceptors that help regulate breathing can be found in the

The four paranasal sinuses are found in the frontal,maxillary,mandibular,and sphenoid bones.

The mucous blanket covers all of the structures of the respiratory system except the epiglottis.

The palatine tonsils are also called adenoids.

Internal respiration requires a higher oxygen concentration in the _____ than in the _____.

MATCHING Match each of the following terms with its corresponding definition or description. -structure,also known as the windpipe,that connects the larynx and bronchi

Match each disease or condition with its corresponding definition or description. -a life-threatening condition caused by a lack of surfactant in the lung that affects premature infants