Respiratory Review

Which of the following is NOT a part of the respiratory System?

• Bronchi

• Stomach

• Alveoli

• Trachea

What is the primary function of the respiratory system?

• Pump blood to the body

• Exchange gases

• Digest food

• Regulate body temperature

Which organ is responsible for filtering and humidifying air as it enters the respiratory system?

• Lungs

• Trachea

• Pharynx

• Nasal Cavity

Which structure prevents food or foreign materials from entering the trachea during swallowing?

• Epiglottis

• Alveoli

• Bronchi

• Diaphragm

What is the name of the large muscle that separates the thoracic and abdominal cavities and aids in breathing?

• Liver

• Spleen

• Diaphragm

• Gallbladder

What diffuses into the capillaries surrounding the alveoli from the lungs and enters the bloodstream?

• Oxygen

• Carbon Dioxide

• Carbon Monoxide

• Nitrogen

Which gas is exchanged in the alveoli of the lungs?

• Oxygen and carbon dioxide

• Nitrogen and oxygen

• Carbon dioxide and nitrogen

• Oxygen and helium

Which of the following conditions is characterized by inflammation and narrowing of the airways caused by allergies, exercise, or stress, which can lead to difficulty breathing?

• Asthma

• Bronchitis

• Emphysema

• Pneumonia

Where does gas exchange primarily occur in the respiratory system?

• Bronchi

• Bronchioles

• Alveoli

• Trachea

Which respiratory disorder is characterized by a long-term, irreversible destruction of the alveoli?

• Asthma

• Bronchitis

• Emphysema

• Pneumonia