Write the clinical term for difficulty breathing while lying down.

The sympathetic nervous system (fight or flight) causes bronchodilation – an increase in the size of the bronchi. What effect would this have on airflow?

This structure located in the heart tissue signals both of the ventricles to contract.

Write the medical term for a heart attack.

Based on your knowledge of the bicarbonate system, if a patient has a condition in which they are unable to exhale carbon dioxide, what would you expect to happen to their pH?

An X-ray shows a piece of food trapped in the lung of a patient. Which anatomical structure would have to fail for this to occur?

During expiration, carbon dioxide moves from the ______ to the ______.

This substance, produced by the cells of the respiratory system, traps inhaled particles and bacteria.

Check all of the following that are true about inspiration.

The purpose of respiration is the provide oxygen for cellular respiration and remove carbon dioxide waste from cellular respiration.