Respiratory System Quiz

What is the primary function of the respiratory system?

• To digest food

• To exchange gases between the body and the air

• To circulate blood

• To produce hormones

Which of the following is a problem caused by respiratory disease?

• Improved digestion

• Enhanced muscle growth

• Ventilation/gas exchange issues

• Increased blood sugar levels

What does the respiratory system deliver to cells?

• Carbon dioxide

• Oxygen

• Glucose

• Nitrogen

What can both respiratory and CV disease lead to in the blood?

• Increased oxygen levels

• Hypoxemia and hypercapnia

• Decreased carbon dioxide levels

• Improved blood flow

Which of the following is part of the upper respiratory tract?

• Lungs

• Diaphragm

• Nose

• Heart

What is the primary function of the nasal cavity in the respiratory system?

• To produce sound

• To filter and warm the air

• To digest food

• To pump blood

What role do the tiny hairs called cilia play in the nasal cavity?

• They produce mucus

• They help move dust particles to be sneezed or blown out

• They absorb oxygen

• They cool the air

Which part of the respiratory system is essential to human speech?

• Nasal cavity

• Trachea

• Larynx

• Bronchi

What passes through the pharynx?

• Only air

• Only food

• Both food and air

• Only water

Where is the trachea located in the respiratory system?

• Above the larynx

• Below the larynx

• Next to the diaphragm

• Inside the lungs