Exam 15: The Respiratory System

The diaphragm contracts during ____________________ and relaxes during ____________________.

The air pressure within the bronchial tree is called ____________________ pressure.

If total lung capacity is 5,000 mL and vital capacity is 4,000 mL,the remaining liter of air is:

The larynx contains vocal cords,folds that vibrate when air is ____________________.

Severe respiratory alkalosis will cause the blood pH to rise above ____________________.

During swallowing,the nasopharynx is covered by the ____________________.

Residual air is important because it:

For healthy people,the normal range of respirations per minute is:

The cause of respiratory alkalosis is:

Most carbon dioxide is transported in the blood in the form of ____________________ in the ____________________.

The bones that increase the surface of the nasal mucosa are the ____________________.

A minute respiratory volume that could help compensate for metabolic acidosis would be:

Most oxygen is transported in the blood bonded to:

The trachea is lined with ____________________ epithelial tissue.

Which of the following statements are true of the respiratory muscles and pressure changes during breathing? (Read carefully and select all of the correct statements.)

The chemoreceptors that detect decreases in the blood oxygen level are located in the:

To compensate for metabolic alkalosis,the respiratory rate will:

The apneustic and pneumotaxic centers are located in the ____________________ of the brain.

The medulla contains the chemoreceptors that most rapidly detect increases in the blood level of ____________________.

The "work" required for normal breathing is: