Respiratory System Worksheet

Of the four parts of respiration, the part when air is moved in and out of the body's tissues and cells? (blood to cells)

• Internal respiration

• External respiration

• Pulmonary ventilation

• Cellular respiration

The epiglottis is part of the and covers the glottis.

• larynx
• oropharynx

• trachea

• nasopharynx

Breathing is mainly controlled by the .

• pons

• medulla oblongata
• pneumotaxic center

• hypothalamus

Gas is exchanged in the alveoli by a process of .

• active transport

• filtration

• passive transport

• simple diffusion

Of the four parts of respiration, the part when air is moved in and out of the lungs is called:

• ventilation

• diffusion

• cellular respiration

• gas exchange

Which statement about the laryngopharynx, nasopharynx, and oropharynx is FALSE?

• The nasopharynx is inferior to the larynx

• the oropharynx is inferior to the nasopharynx

• the oropharynx is superior to the larynx

• the larynx is inferior to the nasopharynx

What is the partial pressure of atmospheric oxygen?

• 160 mmHg

• 760 mmHg

• 21%

• 0.3 mmHg

What type of epithelium makes up the respiratory mucosa, which lines most of the upper respiratory tract?

• Simple squamous epithelium

• Stratified squamous epithelium

• Pseudostratified ciliated columnar epithelium

• Cuboidal epithelium

Most of the oxygen in the blood is found _____

• bound to hemoglobin

• dissolved in plasma

• attached to white blood cells

• in the form of carbon dioxide

Which of these is the sum of the other three?

• vital capacity

• inspiratory reserve volume

• tidal volume

• expiratory reserve volume