Quiz on Respiratory System

What is the primary function of the lungs?

• To pump blood

• To digest food

• To exchange gases

• To produce hormones

What happens to the resistance to airflow when the bronchioles relax?

• It increases

• It decreases

• It remains the same

• It fluctuates

What is the main passageway for air to enter the lungs?

• The esophagus

• The trachea

• The stomach

• The diaphragm

What is the amount of air that you can inhale over and above the tidal volume called?

• Tidal volume (TV)

• Expiratory reserve volume (ERV)

• Inspiratory reserve volume (IRV)

• Vital capacity (VC)

What is the function of the network of capillaries surrounding each alveolus?

• To support the alveolus structure

• To facilitate the exchange of gases

• To produce mucus

• To filter out dust particles

What is the term for the amount of air that leaves the body to be replaced by the same amount of fresh air breathed in?

• Tidal volume (TV)

• Expiratory reserve volume (ERV)

• Inspiratory reserve volume (IRV)

• Resting tidal volume

What is the maximum amount of air you can forcibly exhale from your lungs after a maximum inhalation?

• Tidal volume (TV)

• Expiratory reserve volume (ERV)

• Inspiratory reserve volume (IRV)

• Vital capacity (VC)

What is the primary function of goblet cells in the epithelial lining?

• To produce mucus

• To trap oxygen

• To absorb nutrients

• To produce enzymes

Which lung disease is caused by genetic inheritance?

• Asthma

• Emphysema

• Cystic fibrosis

• Pleurisy

What is the role of macrophages in the respiratory system?

• To produce mucus

• To trap oxygen

• To engulf foreign particles and produce a multitude of growth factors

• To clear cell debris