Respiratory System Quiz

What is the main function of the respiratory system?

• Digest food

• Facilitate gas exchange

• Produce hormones

• Regulate body temperature

Which organ is responsible for the exchange of oxygen and carbon dioxide in the respiratory system?

• liver

• heart

• lungs

• stomach

What are the three main parts of the respiratory system?

• heart, blood vessels, trachea

• stomach, intestines, liver

• brain, spinal cord, nerves

• lungs, airways, diaphragm

What is the medical term for difficulty in breathing?

• tachypnea

• dyspnea

• hypoxia

• apnea

What is the purpose of the diaphragm in the respiratory system?

• The purpose of the diaphragm in the respiratory system is to produce sound.

• The purpose of the diaphragm in the respiratory system is to filter the air.

• The purpose of the diaphragm in the respiratory system is to facilitate breathing by expanding and contracting the lungs.

• The purpose of the diaphragm in the respiratory system is to store oxygen.

What is the condition called when the airways become narrow and inflamed, leading to difficulty in breathing?

• pneumonia

• bronchitis

• emphysema

• asthma

What is the function of the cilia in the respiratory system?

• To move mucus and trapped particles out of the airways.

• To filter bacteria and viruses from the air in the respiratory system.

• To produce oxygen for the body.

• To warm and humidify the air in the respiratory system.

What is the medical term for the windpipe?

• esophagus

• bronchus

• larynx

• trachea

What is the role of the alveoli in the respiratory system?

• The alveoli regulate the temperature of the air in the respiratory system.

• The alveoli help in the production of red blood cells in the respiratory system.

• The alveoli are responsible for the exchange of oxygen and carbon dioxide in the respiratory system.

• The alveoli produce mucus to trap dust and other particles in the respiratory system.

What is the condition called when the air sacs in the lungs are damaged, making it difficult to breathe?

• emphysema

• pneumonia

• bronchitis

• asthma