SECTION I
SECTION II
SECTION III
SECTION IV
SECTION V
100

The primary organ responsible for gas exchange in the respiratory system

What are the lungs?

100

What is the main function of the nose in respiration?

What is filtering, warming, and humidifying incoming air?

100

What type of pharynx contains the pharyngeal tonsil?

What is nasopharynx?

100

What do type 2 alveolar cells produce surfactant?

What is reduce surface tension to prevent alveoli from collapsing?

100

What is the amount of air inhaled or exhaled during a normal, quiet breath called?

What is tidal volume?

200

What structure connects the larynx to the bronchi?

What is the trachea?

200

What is the main function of the tracheal cartilage rings?

What is preventing the trachea from collapsing?

200

What is the process of breathing air into the lungs called?

What is inspiration?

200

Which blood protein carries most of the oxygen in the blood?

What is hemoglobin?

200

What is the maximum amount of air a person can exhale after taking the deepest possible breath called?

What is vital capacity?

300

What flap of cartilage prevents food from entering the airway during swallowing?

What is the epiglottis?

300

What type of epithelium is nasopharynx lined with?

What is pseudostratified columnar epithelium?

300

During inhalation, does the diaphragm contract or relax?

What is contract?

300

What are the three major cartilages of the larynx?

What are the thyroid, cricoid, epiglottis cartilages?

300

What is the amount of air remaining in the lungs after maximal forced expiration called?

What is residual volume?

400

What are the tiny air sacs in the lungs where gas exchange occurs called?

What are alveoli?

400

What cells produce surfactant in the alveoli?

What are type II alveolar cells?

400

During inhalation, what happens to the volume of the thoracic cavity?

What is that it increases?

400

What type of epithelium is oropharynx lined with?

What is nonkeratinized stratified squamous epithelium ?

400

What is the total amount of air the lungs can hold after a maximal inspiration called?

What is total lung capacity?

500

What is the name of the structure where the trachea divides into the right and left main bronchi?

What is the carina?

500

What is the function of type I alveolar cells?

What is allowing gas exchange through a thin respiratory membrane?

500

According to Boyle's law, what happens to gas pressure when volume increases, assuming temperature remains constant?

What is that pressure decreases?

500

Why is the oropharynx lined by that epithelium?

What is a common pathway for food and air?

500

What is the volume of air that remains in the conducting passages and does not participate directly in gas exchange called?

What is anatomical dead space?