A&P Review

300 million

How many air sacs/alveoli are in one adult lung?

Right lung, 3

Which lung is bigger (left or right), and how many lobes are in that lung?

Internal Intercoastals

Which muscle would not be used to inhale?

Mediastinum

What do you call the space between the lungs?

Diffusion 

Which is used to exchange gasses in the lungs?

medula

Where is the respiratory center located?

Nitrogen - 78% Oxygen - 21%

What is the most abundant gas in a room, and what percentage does it make up? What is the second most abundant, and what percentage does it make up?

Vital Capacity

What is the maximum amount of air you can blow out in one breathe?

Residual Volume

What is the amount of air left in your lungs after reaching vital capacity?

Carotid, aorta 

What two major blood vessels are chemo receptors found in?

Pneumatic

Which group of neurons regulate the rate of breathing?

Parietal Pleura 

What membrane would line the inside of your rib cage?

Tracheal 

Which is not a part of the pharynx?

Windpipe, 20

What’s the nickname for trachea? How many rings are on the trachea?

Hyaline

What type of cartilage are the c-shaped rings made of?

760 mm/mg

What is atmospheric pressure at sea level?

Surfactant

What do you call the clear fluid that increases surface tension in the air sacs?

Carbon dioxide and hydrogen 

Chemo sensitive areas measure…

Internal Intercostals

Which muscle would be used in forced expiration?

Respiratory Bronchioles

If you breathe in… What would be next on the list after Tertiary?

2

In order to inhale, how much do you need to drop the pressure in your chest?

70-80 m squared

If you took all of the air sacs out of one lung, what would be the total surface area?

Carbon Dioxide

If someone is hyperventilating, why would you have them breath in a bag?