Term
This causes hemoglobin to become more acidic binding with oxygen. |
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Definition
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Term
The ___ causes carbon dioxide and H+ protons to be expelled via the alveoli. |
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Definition
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Term
The ___ is what happens and the ___ is how it happens |
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Definition
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Term
How many oxygen are bound to hemoglobin via the Bohr effect in the lungs |
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Definition
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Term
What are 4 things that happens in the lungs with the Bohr effect |
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Definition
Decreased H+, CO2, Temp, DPG Shift to the left |
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Term
A decrease in CO2 will cause the Bohr effect to shift to the ___ |
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Definition
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Term
In the lung hemoglobin will be more __ bound to O2 |
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Definition
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Term
At the tissues ___ releases O2 |
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Definition
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Term
At the tissues hemoglobin will bind to what three things |
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Definition
H+, CO2, DPG (diphosphoglycerate) with a increase in temperature |
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Term
An increase in CO2 in the tissues will cause a bohr effect shift to the __ |
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Definition
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Term
Hemoglobin gives O2 to the tissues ___ |
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Definition
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Term
After the bohr effect in the tissues happen what will happen? |
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Definition
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Term
this is characterized by normal breathing and equals 500 ml |
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Definition
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Term
tidal volume is controlled by the ____ |
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Definition
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Term
The pneumotaxic center is located where? |
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Definition
in the nucleus parabrachialis in the upper pons |
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Term
What is the action of nucleus parabrachialis in the upper pons |
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Definition
limits inspiration: stretch receptor fire when the lung is "full" |
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Term
What is fired by the nucleus parabrachialis in the upper pons when the lungs are get to full? |
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Definition
herring breuer reflex with the vagus nerve |
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Term
This is characterized as forced inspiration at 3000ml |
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Definition
inspiratory reserve volume |
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Term
What shuts off the hering breuer reflex |
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Definition
inspiratory reserve volume |
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Term
What shuts off the pneumotaxic center |
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Definition
apneustic center in the pons |
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Term
What allows a deep breath and is the largest individual part of breathing |
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Definition
IRV (inspiratory reserve volume) |
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Term
What is characterized by forced expiration and equals 1100 ml |
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Definition
expiratory reserve volume |
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Term
What is controlled by the rectus abdominus |
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Definition
ERV (expiratory reserve volume) |
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Term
what keeps the lungs from collapsing and is 1200ml |
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Definition
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Term
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Definition
Inspiratory capacity (3500ml) |
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Term
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Definition
Functional residual capacity |
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Term
IRV + TV + ERV= IC+ERV=4600 ml |
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Definition
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Term
IRV + TV + ERV + RV = 5800ml |
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Definition
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Term
What is characterized by air in the pulmonary tree not involved with gas exchange (air in bronchi) |
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Definition
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Term
What is respiration controlled by |
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Definition
dorsal motor nucleus of vagus |
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Term
What is the throat muscles (pharynx and larynx) controlled by? |
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Definition
Nucleus Ambiguous (CN 9,10, 11) |
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Term
What branchial arch is the throat muscles controlled by? |
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Definition
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Term
What is characterized by the pressure inside the alveoli, slightly negative, and allows for normal quiet inspiration |
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Definition
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Term
What is characterized by air pressure, opposes alveolar pressure |
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Definition
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Term
What is characterized by pressure of fluid in the thin space between the lung pleura and the chest wall pleura |
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Definition
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Term
Pleural pressure is __ pressure |
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Definition
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Term
what keeps lungs open to their resting level |
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Definition
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Term
What is the difference between alveolar pressure and pleural pressure |
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Definition
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Term
What measures elastic forces in the lung (recoil pressure) |
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Definition
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Term
When is the end inspiration highest? |
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Definition
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Term
How far the lungs will expand per unit of increased transpulmonary pressure. |
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Definition
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Term
What are 2 things compliance are depending on? |
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Definition
elastic force of lungs itself, surface tension of fluids in and around the lung |
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Term
surface tension is needed because |
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Definition
the lung wants to collapse |
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Term
If there is a lack of surfactant at birth there is usually |
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Definition
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Term
A lack of surfactant at birth will cause |
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Definition
acute respiratory distress syndrome (ARDS) |
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Term
what is also known as neonatal hyaline membrane disease |
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Definition
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Term
What is the epithelium of the entire lung? |
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Definition
psudostratified ciliated columnar epithelium (PCCE) |
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Term
What is the alveolar sacs made of? |
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Definition
simple squamous epithelium (exchange) |
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Term
Type 1 pneumocytes allow for ___ |
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Definition
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Term
Type 2 pneumocytes allow for ___ |
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Definition
surfactant, decrease surface tension
**on every exam** |
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Term
Dust cells are also known as |
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Definition
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Term
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Definition
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Term
what is the defense mechanism in case of noxious air |
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Definition
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Term
poison gas in for example a dry land drowning will effect what cells in the lungs? |
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Definition
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Term
what is the apex of the lung/cervical pleura and above the clavicle? |
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Definition
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Term
Where are 3 places that the carina of the trachea are located at? |
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Definition
sternal angle, 2nd costochondral, and T4 vertebrae |
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Term
What is inferior to the root of the lung and creates potential space for breathing? |
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Definition
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Term
where is fluid of the lung collected? |
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Definition
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Term
Where is pressure the greatest in the lungs? |
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Definition
at the bottom of inspiration (transpulmonary pressure) |
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Term
What is most absorbable to CO2 |
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Definition
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Term
What is most sensitive to increase in CO2 and secondary to decrease in O2 |
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Definition
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Term
Where are chemoreceptors located? |
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Definition
carotid body, and aortic body |
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Term
What is the cause of all headaches? |
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Definition
vasodilation of cerebral blood vessels by the chemoreceptors |
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