Exam 17: Mechanics of Breathing

If a student inhales as deeply as possible and then blows the air out until he cannot exhale any more, the amount of air that he expelled is his

List the muscles of inspiration and expiration.

During the winter, Brad sleeps in a dorm room that lacks a humidifier for the heated air.In the mornings he notices that his nose is "stuffy," similar to when he has a cold, but after showering and drinking some water, the stuffiness disappears until the next morning.What might be the cause of Brad's nasal condition?

A typical residual volume (in milliliters)for a healthy, 70 kg male is ________.

Summarize the four gas laws.

The common passageway shared by the respiratory and digestive systems is the

Air moves into the lungs because

Type I alveolar cells

Some have a congenital alpha-1 antitrypsin deficiency.If the job of alpha-1 antitrypsin is to inhibit trypsin and elastase, what condition are people with this genetic deficiency likely to develop?

List and describe the lung volumes.

Julia is breathing 14 times per minute, with a tidal volume of 520 mL and a dead space of 152 mL.Lyle is breathing 15 times per minute, with a tidal volume of 400 mL and a dead space of 175 mL.Which patient has better alveolar ventilation?

Match the lung volume with its description. -the extra amount actively (forcibly)exhaled after a normal exhalation

What are the functions of pleural fluid?

Air moves out of the lungs because

The respiratory rate times the tidal volume corrected for dead space is the

Which single muscle contributes most to normal, resting inspiration?

An increase in the rate and depth of breathing is known as ________.

The volume of air moved in a single respiration is called the ________.

When the inspiratory muscles relax, the rib cage returns to its original position as a result of ________.

The larynx contains the ________, connective tissue bands that tighten and vibrate to create sound when air moves past them.