Respiratory System Quiz

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide

A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.

• asthma 
• cold
• influenza 
• bronchitis 

The two main branches from the trachea (one to each lung)

• bronchi
• alveoli
• capillaries
• bronchioles

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

What is tube that is also known as your wind pipe?

• esophogus
• bronchi
• trachea
• alveoli

Tiny tubes that branch off of bronchi

• capillaries
• alveoli
• bronchioles
• pluera

Barbara has asthma and uses an inhaler when she starts to wheeze. The purpose of the device is to:

• Dissolve mucus
• Contract blood vessels
• Liquefy secretions in the lungs
• Enlarge the brochioles

Which is the most important muscle for inhalation?

• Abdominals

• Lungs

• Diaphragm

• Intercostal (rib)

When you ______ release carbon dioxide.

• inhale

• intake

• exhale

• exhaust

Which part of the respiratory system is a large muscle that flexes to bring air into your lungs?

• trachea

• bronchioles

• alveoli

• diaphragm