Respiratory System Quiz

What is the primary function of the respiratory system in transporting gases?

• Transport of nitrogen from air to blood

• Transport of oxygen from air to blood

• Transport of carbon monoxide from air to blood

• Transport of hydrogen from air to blood

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-7

What is the role of carbon dioxide in the respiratory system according to the text?

• It is a necessary gas for respiration.

• It is a byproduct of digestion.

• It is a waste product from metabolism.

• It is used in the synthesis of oxygen.

Tags

NGSS.HS-LS2-3

Which part of the respiratory tract is described as having resident flora?

• Lower respiratory tract

• Middle respiratory tract

• Upper respiratory tract

• External respiratory tract

According to the text, which part of the respiratory tract is sterile?

• Upper respiratory tract

• Middle respiratory tract

• Lower respiratory tract

• External respiratory tract

What is the primary function of the nasal cavity in the upper respiratory tract?

• Production of vocal sounds

• Exchange of oxygen and carbon dioxide

• Warming and moistening of incoming air

• Digestion of absorbed substances

What is the primary function of the epiglottis in the oropharynx?

• To produce vocal sounds

• To close over the glottis at swallowing to prevent aspiration

• To filter air

• To secrete mucus

Which structure is characterized by having two pairs of vocal cords?

• Oropharynx

• Trachea

• Larynx

• Bronchi

What structural feature supports the trachea?

• Bone plates

• C-shaped rings of cartilage

• Elastic fibers

• Smooth muscle

What is the primary function of the alveoli in the respiratory system?

• To pump blood through the lungs

• To transport oxygen to the brain

• To facilitate the exchange of gases

• To warm the air before it reaches the lungs

Tags

NGSS.HS-LS2-3

What is the endpoint for inspired air in the respiratory system?

• Trachea

• Bronchioles

• Alveoli

• Larynx