Exam 13: The Respiratory System

What accounts for the majority of cases of lung cancer?

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

The portions of the brain that contain respiratory centers and set the breathing rate are the ________.

Which one of the following is NOT True of lung cancer?

The most important chemical stimulus leading to increased rate and depth of breathing is ________.

The ________ routes air and food into their proper channels and plays a role in speech.

The process of breathing is known as pulmonary ventilation.

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

Exchange of both oxygen and carbon dioxide through the respiratory membrane occurs by ________.

When breathing in, air enters the trachea through the ________.

The abbreviation IRDS stands for ________.

The inspiratory muscles that contract so we can inspire air are the ________ and ________.

Five-year-old Charlie is angry he can't continue to play so he holds his breath. His carbon dioxide levels continue to climb and his parents are concerned what will happen to him. Predict how the respiratory system handles the rising carbon dioxide levels.

The respiratory rate in infants is ________.

The normal respiratory rate of 12-15 breaths per minute is known as ________.

Most carbon dioxide dissolves in blood plasma for transport as ________.

Hypoventilation dramatically increases carbonic acid concentration and involves ________.

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

Inspiration results when the diaphragm and external intercostal muscles relax.

Match the following definitions with their associated respiratory volume or capacity: -Total amount of exchangeable air