Exam 13: The Respiratory System

Which of the following events of respiration involves the flow of air out of the lungs?

Hypoventilation dramatically increases carbonic acid concentration and involves ________.

Using Figure 13.1, identify the following: -The inferior lobe of the right lung is indicated by ________.

The process of moving air into and out of the lungs is commonly called breathing or ________.

Which one of the following is NOT True of inspiration?

Venous blood in systemic circulation is poorer in oxygen and richer in carbon dioxide.

Match the following structure with its description: -Part of the respiratory zone, these air sacs perform gas exchange

What structures does a molecule of oxygen encounter on its way to the alveoli of the lungs from the nose? Trace the pathway.

The serous membrane that surrounds each lung is created by a parietal and visceral ________.

What are the smallest conducting passageways of the lungs?

Olfactory receptors are located in the mucosa in the nasal cavity.

Match the following with the four events of respiration: -Inspiration and expiration

Match the following structure with its description: -Rigid, patent airway reinforced with C-rings of hyaline cartilage

Match the following definitions with their associated respiratory volume or capacity: -Amount of air that can be forcibly exhaled after a normal tidal expiration

Normal quiet breathing, known as tidal volume, is around 500 mL of air.

Expiration (exhalation) occurs when ________.

What fatty molecule is made by alveolar cells to reduce surface tension and prevent alveolar collapse between breaths?

Which passageways branch off of the inferior end of the trachea?

What non-respiratory air movement is intended to ventilate all alveoli?

Hyperventilation leads to all of the following EXCEPT ________.