Respiratory Quiz

When eating or drinking, the trachea is blocked by ___ to keep your lungs clear.

• hyaline cartilage
• the pharynx
• the diaphragm
• the epiglottis
• the esophagus

Choose the proper order of events.

• oxygen diffuses across the alveolar wall and attaches to hemoglobin which then dissolves in the mucous layer
• oxygen in inhaled air dissolves in the blood in the capillary, then diffuses through the mucous layer and into the alveoli
• oxygen in inhaled air binds to hemoglobin which carries across the alveolar wall and into the capillary
• oxygen from inhaled air dissolves in mucous, then diffuses across the alveolar wall, then through the capillary wall, then binds to hemoglobin

In the alveoli, concentration gradients cause ___ to move into the blood and ___ to move out of the blood.

• oxygen; bicarbonate
• carbon dioxide; oxygen
• carbon dioxide; hemoglobin
• oxygen; carbon dioxide
• hemoglobin; water

What is the name of the smallest, final tube leading to the alveoli?

• laryngopharynx
• primary bronchi
• alveolus
• alveolar duct
• terminal bronchiole

What is the name of the bone that is under the tongue and connects it to the epiglottis?

• laryngopharynx
• sphenoid bone
• cricoid bone
• bronchiolous bone
• hyoid bone

The proper term for the voice box.

• oropharynx
• epiglottis
• alveolus
• larynx
• pharynx

Excess CO2 in the blood causes the blood to become...

• oxygenated
• bubbly
• bluish
• more acidic
• less acidic

What is the name of the protein in the blood oxygen in the blood?

• hemostasis
• myosin
• immunoglobulin
• hemoglobin
• nasopharynx

Contraction of the diaphragm causes it to move___, thus making the space in the lung cavity ___.

• up; larger
• up; smaller
• down; smaller
• down; larger

Identify the muscle that is contracted when exhaling during deep breathing.

• diaphragm
• external intercostals
• sternocleidomastoid
• rectus abdominus
• latissimus dorsi