Chapter 23 Flashcards
What are the fissures of the lungs
Oblique and horizontal
Which lung has two fissures and three lobes
Right lung
What area of the respiratory system is not considered anatomical dead space
everything but the surface of the alveoli
What is the common passageway for food and air in the upper respiratory tract
Pharynx
what is classified as the upper respiratory system
everything above the larynx but not including the larynx
What is classified as the lower respiratory system
everything below the larynx including the larynx
where are the 4 sinuses
Frontal
ethmoid
maxillary
sphenoid not in picture but its right in front and medial to the ear
What are the 2 layers of the respiratory mucosa
Epithelial layer with goblet cells
lamina propria
What is the difference between the lamina propria in the upper and lower respiratory tract
Upper it also contains mucous glands
lower it contains smooth muscle
the technical term for sound made by vocal cords is
phonation
the alteration of sound by the teeth and tongue is called what
articulation
whats another name for adam’s apple
thyroid cartilage
what is the cartilage called located right below the thyroid cartilage
cricoid cartilage
What kind of cartilage is the thyroid and cricoid cartilage made of
both hyaline cartilage
Where is the carina located
it is a cartilage ridge that separates the left and right primary bronchi
what is the function of pneumocyte 1 cells
they make up most of the alveoli and allow for gas exchange
what do pneumocyte 2 cells do
they produce surfactant
what is surfactant made of
phospholipids and proteins
What is boyle’s law
basically says that when volume decreases pressure will increase and vice versa
which intercostal muscles are used for forced breathing internal or external
internal intercostal muscles are used for forced breathing external ones are used for all breathing
what is the concentration of oxygen and co2 in oxygenated blood
100 mm Hg of O2
40 mm Hg of CO2
What is the concentration of oxygen and CO2 in deoxygenated blood
40 mm Hg of O2
45 mm Hg of CO2
what is henrys law
it states that the amount of gas that will dissolve in a liquid is proportional to partial pressure and solubility
what is external respiration
the exchange of outside air in the alveoli with blood
