Exam 15: The Respiratory System

The ribs are pulled up and out by the ____________________ muscles during ____________________.

The visceral pleura is found:

In external respiration, the partial pressures are:

Which statement is NOT true of the air pressures involved in breathing?

The general purpose of the tonsils is to ____________________.

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

The function of the pneumotaxic center is to help bring about ____________________.

The elastic connective tissue of the lungs is important to:

Carbon dioxide transport in the blood increases the formation of hydrogen ions, which are buffered by:

During swallowing, the larynx is covered by the ____________________.

The ciliated epithelium of the nasal mucosa:

Which statement is NOT true of the respiratory muscles?

The movement of air to and from the alveoli is called:

In internal respiration, the PO₂ in the blood is ____________________, and the PO₂ in the tissues is ____________________.

Mucus and pathogens are swept out of the larynx and trachea by:

To compensate for a metabolic acidosis, the respiratory rate will ____________________ in order to ____________________ more carbon dioxide and ____________________ the blood pH.

Hypoxia is a stimulus for the breathing rate to ____________________ in order to ____________________.

Which statement is NOT true of the pharynx?

For an ongoing metabolic pH imbalance, the limit of respiratory compensation is approximately:

The strongest stimulus to increase the breathing rate is a higher level of ____________________ in the blood, because this makes the blood more ____________________.