exam 3 a&p 2

Which is not part of the conducting portion of the respiratory system?

• Trachea

• Nasal cavity

• Alveoli

• Bronchi

• Larynx

Which statement is true regarding secondary bronchi?

• Each lung has four secondary bronchi.

• Each lung has two secondary bronchi.

• The left lung has two secondary bronchi, and the right lung has three secondary bronchi.

• The right lung has two secondary bronchi, and the left lung has three secondary bronchi.

• Each lung has three secondary bronchi.

Which is not a function of the respiratory system?

• Gas exchange

• Odor detection

• Air passage

• Sound reception

The terms "upper respiratory system" and "lower respiratory system" are_________ categorizations of the respiratory system.

• functional

• structural

• outdated

Terminal bronchioles of the lower respiratory tract are lined with

• stratified columnar epithelium.

• nonkeratinized stratified squamous.

• pseudostratified ciliated columnar epithelium.

• keratinized stratified squamous epithelium.

• Simple cuboidal epithelium.

Tracheal cartilage provides for___ on the ___aspect of the trachea.

• flexibility; posterior

• rigidity; anterior

• flexibility; anterior

• rigidity; posterior

What prevents the trachea from collapsing?

• The C-shaped cartilaginous rings

• The internal epithelium

• The surrounding muscles

• The internal air pressure within the trachea

Which do not belong to the respiratory zone of the respiratory system?

• Alveolar sacs

• Respiratory bronchioles

• Alveolar ducts

• Pulmonary alveoli

• Terminal bronchioles

Alveoli about each other, causing them to appear____ in cross section.

• enlarged

• stratified

• polygonal

• circular

• columnar

Which is not correct about the left lung?

• It has an esophageal depression.

• It is slightly smaller than the right lung.

• It has a cardiac impression.

• It has 2 lobes and 1 fissure.

• It has a cardiac notch.