Respiratory System Quiz

What is the function of the human respiratory system?

• Digestion of food

• Exchange of gases

• Producing energy

• Pumping blood

What is the byproduct produced in aerobic cellular respiration?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Which part of the respiratory system warms, humidifies, and filters the air?

• Trachea

• Pharynx

• Larynx

• Nasal cavity

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

• Filtering air

• Preventing food from entering the trachea

• Expelling carbon dioxide

• Producing surfactant

How many lobes does the right lung have?

• Four

• One

• Two

• Three

What is the function of alveoli in the respiratory system?

• Filtering air

• Gas exchange

• Digesting food

• Producing energy

Which body system includes the ribs that protect the lungs?

• Skeletal system

• Muscular system

• Nervous system

• Circulatory system

What regulates the involuntary breathing process in the human body?

• Blood pressure

• Hormones

• pH scale

• Temperature

What is the role of surfactant in the respiratory system?

• Aiding in gas exchange

• Increasing surface tension

• Producing ATP

• Lowering blood pH

What is the purpose of artificial surfactants in treating premature infants?

• Increasing surface tension

• Aiding in lung inflation

• Causing respiratory distress syndrome

• Preventing gas exchange