Exam 15: The Respiratory System

The diaphragm contracts during ____________________ and relaxes during ____________________.

The chemoreceptors that most rapidly detect an increase in the blood CO₂ level are located in the ____________________.

The trachea branches into the:

The respiratory air pressure that is always negative is:

The elastic lungs are always tending to collapse, but this is prevented by:

To compensate for metabolic acidosis, the respiratory rate will:

The airway of the larynx is lined with ____________________ epithelial tissue.

With respect to carbon dioxide transport, the function of hemoglobin is to:

Normal inflation of alveoli is possible because ____________________ decreases the surface tension of the fluid lining the alveoli.

The parts of the pharynx that are both air and food passageways are the:

The cause of respiratory alkalosis is:

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

The parietal pleura is found:

The alveoli and the pulmonary capillaries are all made of ____________________ tissue, which permits ____________________.

Residual air is important because it:

The part of the pharynx that is an air passageway only is the ____________________.

The trachea and all of the respiratory passages are collectively called the ____________________.

The chemoreceptors that detect a decrease in the blood oxygen level are located in the ____________________ and the ____________________.

Respiratory alkalosis would be most likely with a breathing rate of ____ per minute.

Intrapulmonic pressure is the pressure: