Respiratory System Quiz

Which of the following is NOT a function of the upper respiratory system?

• Exchange of gases

• Protecting the body from airborne irritants

• Regulating blood pressure

• Warming incoming air

What is the primary role of the conchae within the nasal cavity?

• To produce mucus

• To increase surface area and air turbulence

• To trap foreign particles

• To facilitate sound production

The pharynx serves as a passageway for which two systems?

• Respiratory and circulatory

• Digestive and circulatory

• Respiratory and digestive

• Respiratory and nervous

What structure prevents food from entering the larynx during swallowing?

• Vocal cords

• Uvula

• Epiglottis

• Tonsils

Which of the following statements about the larynx is TRUE?

• It only serves as a passageway for air.

• It contains vocal cords that produce sound.

• It is primarily made of muscle.

• It does not connect to the trachea.

What is the primary function of the trachea?

• To filter and warm air

• To facilitate gas exchange

• To connect the larynx to the bronchi

• To produce mucus

What role do alveoli play in the respiratory system?

• They warm and moisten incoming air.

• They are the site of gas exchange.

• They produce mucus.

• They prevent foreign particles from entering the lungs.

How does the diaphragm contribute to the process of breathing?

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What is tidal volume?

• The maximum amount of air inhaled after a normal breath

• The amount of air exchanged by the lungs at rest

• The air remaining in the lungs after forced exhalation

• The total lung capacity of an individual

Which part of the brain is primarily responsible for regulating the rate of respiration?

• Cerebrum

• Cerebellum

• Medulla and pons

• Thalamus