Respiratory System Worksheet Questions

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

• Alveoli

• Trachea

• Larynx

• Nasal cavity

• Bronchi

Which is not a function of the respiratory system?

• Sound reception

• Gas exchange

• Odor detection

• Air passage

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

• structural

• functional

• outdated

Terminal bronchioles of the lower respiratory tract are lined with

• keratinized stratified squamous epithelium

• simple cuboidal epithelium

• pseudostratified ciliated columnar epithelium

• stratified columnar epithelium

• nonkeratinized stratified squamous

Tracheal cartilages provide for ________ on the ________ aspect of the trachea.

• flexibility; anterior

• flexibility; posterior

• rigidity; anterior

• rigidity; posterior

What prevents the trachea from collapsing?

• The internal air pressure within the trachea

• The surrounding muscles

• The internal epithelium

• The C-shaped cartilaginous rings

Which statement is true regarding secondary bronchi?

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

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

• Each lung has two secondary bronchi.

• Each lung has three secondary bronchi.

• Each lung has four secondary bronchi.

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

• Respiratory bronchioles

• Alveolar ducts

• Terminal bronchioles

• Pulmonary alveoli

• Alveolar sacs

Alveoli abut each other, causing them to appear ________ in cross section.

• enlarged

• polygonal

• stratified

• circular

• columnar

Which is not correct about the left lung?

• It is slightly smaller than the right lung.

• It has a cardiac impression.

• It has a cardiac notch.

• It has 2 lobes and 1 fissure.

• It has an esophageal depression.