Exam 23: The Respiratory System

The portions of the respiratory system that are capable of gas exchange include:

For deep, forceful inhalation, accessory muscles of inhalation (inspiration) are: 1) external intercostals 2) internal intercostals 3) sternocleidomastoids 4) scalenes 5) pectoralis majors 6) pectoralis minors

Describe the location of each of the three regions of the pharynx.

Name and locate the three areas of the respiratory center. Describe the function of each area.

The principal muscles of inhalation (inspiration) are the _____ and _____.

In this sagittal section, the arrow is pointing to which structure of the larynx?

Name and describe the nine pieces of cartilage of the larynx.

The left primary bronchus is more vertical, shorter, and wider than the right primary bronchus.

In this lateral view of the right lung, the arrow is pointing to which structure?

The cardiac notch is a feature of the

Which of the following cartilages forms the anterior wall of the larynx?

The cardiac notch is a feature located on the medial aspect of the left lung.

Which of the following must occur for air to enter the lungs during inhalation (inspiration)?

Cilia in the upper respiratory tract beat so as to move mucus and trapped dust in a superior direction.

Normal exhalation (expiration) is due to

Each lung may be subdivided into 10 small compartments called _____, and each of these is supplied by a branch of the bronchial tree called a _____.

The ______________ intercostal muscles and the _________________ contract during inhalation.

Peripheral chemoreceptors located in the _____________________ and __________________ send signals to respiratory center to control breathing.

Which of the following do NOT contain cartilage? 1) tertiary (segmental) bronchi 2) alveolar ducts 3) respiratory bronchioles 4) terminal bronchioles

Attached to the entire surface of the interior of the thoracic chamber is a delicate connective tissue known as the ________________.