Respiratory Anatomy

Front

What happens when the diaphragm contracts?

Back

The volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs.

Front

What are the air sacs where gas exchange takes place?

Back

Alveoli.

Front

What does a spasm of the diaphragm cause?

Back

Hiccup.

Front

What is the volume of air exchanged during one breath in and out in quiet breathing called?

Back

Tidal volume.

Front

Inhalation order of air flow: nasal cavity, pharynx, larynx, trachea. What is the correct sequence?

Back

2, 3, 1, 4.

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, providing oxygen to the body and removing carbon dioxide.

Front

What is the role of the alveoli in the lungs?

Back

To allow for the exchange of oxygen and carbon dioxide between the air and blood.

Front

What is the trachea commonly known as?

Back

The windpipe.

Front

What is the function of the larynx?

Back

To produce sound and protect the trachea against food aspiration.

Front

What is the difference between tidal volume and total lung capacity?

Back

Tidal volume is the amount of air exchanged in one breath, while total lung capacity is the maximum amount of air the lungs can hold.