Essentials Final Review A

What are the 3 parts of the Pharynx?

• Nasopharynx, Oropharynx, Laryngopharynx

• Larynx, Nose, Laryngopharynx

• Voicebox, Sinuses, Laryngopharynx

• Larynx, Oropharynx, Nasopharynx

What is the function of the pharynx?

• Common pathway for air and food

• Coughing

• Hiccuping

• Voicebox

What is the main function of the larynx?

• Pathway for food

• Voicebox

• Breathing

• Digestion

What is the purpose of the Epiglottis?

• A cover that protects food/water from entering lower respiratory tract

• To produce funny sounds

• A passageway for air and food

• Filters air inside the nose

Which respiratory structure is sponge-like and exchanges air through the capillaries?

• Trachea

• Larynx

• Bronchioles

• Alveoli

Air pressure is greater OUTSIDE the lungs during:

• Expiration

• Inspiration

• Never

• Always

How is the pressure gradient established?

• When you suck in air

• When you push out air

• When the balloon fills up

• The size of the thoracic cavity

When the diaphragm is ____________ it is arched and there is less room for air.

• relaxed

• contracted

• flat

• happy

Where does CO2 / O2 gas exchange occur?

• The heart

• The bronchi

• The alveoli

• The Larynx

What do O2 and CO2 bind to?

• White blood cells

• Hemoglobin

• Nothing

• Platelets