Respiratory practice quiz

This is the primary gas exchange site.

Alveolus

These are triangular pieces of mostly hyaline cartilage located at the posterior and superior border of the cricoid cartilage.

Arytenoids cartilage

The point where the trachea divides into right and left primary bronchi is a ridge called

Carina

The nose connects with the pharynx through the

Choanae

Which of the below tissues provides the functions of the inner layer of the conducting organs?

Ciliated pseudostratified columnar epithelium with goblet cells

The conducting zone's role is to

Clean air of debris. Conduct air into the lungs. Add water to air. Warm air.

When blood pH drops then the amount of oxyhemoglobin ______________ and oxygen delivery to the tissue cells ___________.

Decreases, increases

Which is the dominant method of carbon dioxide transport?

Dissolved in plasma as bicarbonate ions

Which of the following is NOT a factor that the rate of pulmonary and systemic gas exchange depends on?

E. Force of contraction of diaphragm

This structure prevents food or water from entering the trachea.

Epiglottis

The opening to the pharynx from the mouth is called

Fauces

This is the sum of the residual and the expiratory reserve volume.

Functional residual capacity

This means the lungs and the chest wall expand easily.

High compliance

Which of the below tissues maintains open airways in the lower respiratory system?

Hyaline cartilage

Exhalation begins when

Inspiratory muscles relax

This is direction of diffusion of gasses at the alveoli of the lungs.

Oxygen into blood, carbon dioxide out of blood

This is direction of diffusion of gases at capillaries near systemic cells.

Oxygen out of blood, carbon dioxide into blood

During swallowing, which structures rises?

Pharynx

Which of the following is a passageway for air, food and water?

Pharynx

The conducting airways with the air that does not undergo respiratory exchange are known as the

Respiratory dead space

Which is a factor that does NOT affect hemoglobin's affinity for oxygen?

Respiratory rate

Which of the below tissues forms the exchange surfaces of the alveolus?

Simple squamous epithelium

Pitch is controlled by

Tension of the vocal chords

This is located anterior to the oesophagus and carries air to the bronchi.

Trachea

Which of the following is not part of the upper respiratory system?

Trachea

These are cells of the alveoli that produces surfactant.

Type II alveolar cells