1.Respiratory System Quiz

What is the main function of the respiratory system?

• A. Pump blood throughout the body

• D. Regulate body temperature

• B. Provide cells and tissues with oxygen and remove carbon dioxide

• C. Aid in digestion

Which part of the respiratory system is responsible for gas exchange between air and blood?

• A. Trachea

• B. Bronchioles

• D. Pharynx

• C. Alveoli

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

• B. Produce mucus to trap dust particles

• C. Carry air to the alveoli

• A. Filter air entering the lungs

• D. Exchange gases with the blood

Which lung has three lobes and two fissures?

• B. Left Lung

• A. Right Lung

• D. None of the above

• C. Both Lungs

What is the main respiratory muscle responsible for inhalation?

• A. Diaphragm

• B. Intercostal Muscles

• C. Abdominal Muscles

• D. Sternocleidomastoid

How is oxygen carried in the blood?

• A. Bound to hemoglobin in red blood cells

• C. Attached to white blood cells

• B. Dissolved in plasma

• D. Transported by platelets

Which center in the brain regulates breathing?

• D. Frontal Lobe

• C. Medulla Oblongata

• B. Hypothalamus

• A. Cerebellum

What is the term for the movement of air into and out of the alveoli?

• C. Circulation

• B. Ventilation

• A. Oxygenation

• D. Respiration

How is carbon dioxide carried in the blood?

• C. Attached to red blood cells

• B. As bicarbonate ions in plasma

• D. Transported by plasma proteins

• A. Bound to hemoglobin

Which nerve fibers cause bronchoconstriction in the lungs?

• D. Sensory

• C. Motor

• B. Sympathetic

• A. Parasympathetic