Exam 10: The Respiratory System: Exchange of Gases

The figure above shows the components of the respiratory system. Match each labeled structure (A-E) to its description. -Site of external respiration; walls consist of one layer of squamous epithelial cells.

During puberty, the increased production of testosterone in males causes the rapid enlargement of which one of the following structures of the respiratory system?

Which one of the following is a symptom of botulism?

The figure above shows the components of the respiratory system. Match each labeled structure (A-E) to its description. -Large airways that enter each lung and then branch into smaller and smaller airways; walls contain connective tissue, smooth muscles, and cartilage.

All of the following are part of an individual's vital capacity EXCEPT which one?

The anatomical design of the paired lungs makes them easy to distinguish; the right lung has ________ lobes, whereas the left side has ________ lobes.

Oxygen moves from the lungs into the blood during internal respiration.

Burning of carbon-based fuels can produce which one of the following, an odorless gas that competes with oxygen for binding to hemoglobin.

A small amount of fluid is contained in the pleural cavity to

An increase in the amount of carbon dioxide in the body causes

Bronchioles differ from bronchi in that they

There is substantial evidence that children who live with smokers are at an increased risk for asthma.

The basic pattern of inhalation and exhalation is controlled by a region at the base of the brain called the ________.

Oxygen and carbon dioxide both have the ability to bind to hemoglobin, which would seem to be an unfavorable situation for the body, particularly in terms of cellular respiration. What features does the human body use to favor oxygen and not carbon dioxide binding to hemoglobin?

Surfactant is released to reduce surface tension in the alveoli.

In which one of the following situations is hemoglobin most likely to bind oxygen?

The figure above shows the components of the respiratory system. Match each labeled structure (A-E) to its description. -Site of the vocal cords; the glottis is the opening to this structure.

During exhalation, the pressure inside the lungs

During intense physical exercise, human cells and tissues increase their need for oxygen to provide the ATP necessary for work. Why does heart rate have to increase to meet the need for oxygen?

Antibiotics are the preferred treatment for colds.