Exam 10: The Respiratory System: Exchange of Gases

Which of the following results from the stimulation by nerve impulses generated in the respiratory center when they arrive at the muscles involved in inspiration?

Use the figure below to answer the following questions. -At the end of every ________ is a cluster of ________, where gas exchange takes place.

Sound results from the ________ of the vocal cords as air passes through the larynx.

Hemoglobin binds more tightly to carbon monoxide than to oxygen.

The respiratory control center is located

Air spaces in the skull called the ________ drain into the nasal cavity.

Most of the carbon dioxide released by cells is transported in the venous supply in what form?

During a normal breathing cycle, pressure changes are essential to the exchange of gases with the environment. Describe what type of pressure changes must occur during ventilation.

The figure above shows the components of the respiratory system. Match each labeled structure (A-E) to its description. -This structure is also known as the "windpipe."

All of the following statements are TRUE regarding lung cancer EXCEPT which one?

The rate and depth of normal breathing are controlled by the need to get rid of CO₂.

In the figure above, ________ must be released over the inner surface of the sac-like structures to reduce surface tension.

Carbaminohemoglobin differs from hemoglobin in that carbaminohemoglobin

Ventilation refers to the process by which

The pleural cavity, which is located between the pleural membranes, contains small amounts of ________.

Oxygen and carbon dioxide are exchanged with blood directly across the alveoli wall.

Lung capacity is typically measured with the use of a spirometer.

When air entering the respiratory tract leaves the pharynx, it next enters the

A condition in which wheezing occurs with breathlessness and a persistent cough, and yields yellowish or greenish phlegm is

Which of the following disorders is described as follows: damage to motor nerves innervating skeletal muscle; skeletal muscles weaken; death usually results within five years of diagnosis?