Respiratory System Flashcard - Lecture FA24

Front

What causes change in pressure when we breathe?

Back

Diaphragm movement

Front

What are the tiny air sacs that allow for diffusion between oxygen and carbon dioxide?

Back

Alveoli

Front

Please choose the correct pathway air travels though into the lungs: Nasal passage, pharynx, larynx, trachea, bronchi, bronchiole, alveoli, Nasal passage, pharynx, larynx, trachea, bronchi, bronchiole, alveoli, Nasal passage, pharynx, larynx, trachea, bronchi, alveoli, bronchiole, Nasal passage, trachea, pharynx, larynx, bronchi, bronchiole, alveoli

Back

Nasal passage, pharynx, larynx, trachea, bronchi, bronchiole, alveoli

Front

Which of the following is a passageway for air, food and water? Trachea, Larynx, Paranasal sinuses

Back

Pharynx

Front

Which structure prevents food or water from entering the trachea? Options: Epiglottis, Paranasal sinus, Thyroid cartilage, Nasopharynx

Back

Epiglottis

Front

Exhalation begins when

Back

Inspiratory muscles relax

Front

Which of the following is the dominant method of carbon dioxide transport? Bound to oxygen, Diffusion, Dissolved in plasma as bicarbonate ions, Dissolved in plasma as a gas

Back

Dissolved in plasma as bicarbonate ions

Front

When blood pH drops, the amount of oxyhemoglobin _____ and oxygen delivery to the tissue cells _____?

Back

Decreases, increases

Front

Which of the following is a factor that does NOT affect hemoglobin’s affinity for oxygen? Options: Temperature, Partial pressure of the oxygen, Amount of oxygen available

Back

Respiratory rate

Front

The process that requires oxygen that cells use to release energy from food is called...

Back

cellular respiration