Respiratory System

Where is the nasal cavity located?

• In the lungs

• Behind the trachea

• Inside the mouth

• Inside the nose

What is the primary function of the epiglottis?

• To filter the air

• To prevent food from entering the trachea

• To assist in sound production

• To exchange gases

The pharynx is part of which body system?

• Digestive system

• Nervous system

• Respiratory system

• Circulatory system

Which structure is also known as the voice box?

• Trachea

• Bronchus

• Larynx

• Epiglottis

What is the main function of the trachea?

• To humidify air

• To produce sound

• To transport air to the lungs

• To exchange gases

How many primary bronchi does the respiratory system have?

• One

• Two

• Three

• Four

Which of the following are the smallest air passages in the respiratory system?

• Bronchi

• Bronchioles

How many lobes are present in the right lung?

• One

• Two

• Three

• Four

Where does the actual exchange of gases occur in the respiratory system?

• Trachea

• Bronchi

• Alveoli

• Larynx

What is the primary role of the diaphragm?

• To filter air

• To help in gas exchange

• To contract and relax during breathing

• To humidify air