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What is the other name for conchae?
Turbinates
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What are the 4 upper respitory organs?
- nose
- nasal cavity
- sinuses
- pharynx
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What two things make up the nostrils and what tissue is it composed of?
- External nares,vestibule
- stratified squamous epithelium
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What are the 4 lower respitory tract organs?
- larynx
- trachea
- bronchial tree
- lungs
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What two things is the nasal septum made of?
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What are the two functions of the mucosal lining in the nasal cavity?
Filtering and moistening
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What is a nasal infection that invades the sinuses called?
Sinusitis
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The separation of the nasal cavity is called?
Nasal septum
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What are the 3 bony ridges of the concha called?
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What sinuses do the superior and inferior concha open up to ?
paranasal sinuse
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What duct does the middle conche open up to ?
Nasolacrimal duct
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What is a meatus?
Opening or a passageway
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What epithelium lines the vocal cords?
Strafied squamous epithelium
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inflammation of the vocal cords are called?
Laryngitis
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Going down into the oral cavity is called the _____ view?
endoscopic view
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Why are false vocal cords called that and what is their function?
- because they do not produce sound
- their funtion is to prevent air to escape from lungs.
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What are the 3 cartilages of the larynx?
- Arytenoid
- cuneform
- corniculate
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_____ secreations drain from the sinuses into the _____ cavity.
-
What are the 4 sinuses or paranasal spaces called?
- Ethmoidal
- frontal
- sphenoidal
- maxillary
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Sinuses are air-filled spaces lined with a _____ membrane.
Mucous
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Its function is for the nostrils to provide entrance to nasal cavity , and the internal hairs filter incoming air.
Nose
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What is the enlargement at the top of the trachea ?
Larynx
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Flexible tube that connects larynx with bronchial tree.
Trachea
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Does putting more pressure in the lungs increase or decrease its volume?
Decreases
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What two skeletal muscles are involved in breathing?
-
What nerves innervate the intercostals?
intercostal nerves
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What nerve goes to the diaphragm?
phrenic nerve
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At rest the diaphragm is _____.
relaxed dome shaped
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Normal air pressure equals _____ millimeters of mercury.
760
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The central chemoreceptors are sensitive to what?
CO2
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the peripheral chemoreceptors are sensitive to what?
Oxygen
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The central chemoreceptors are located in the _____?
Medulla oblongata
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the medulla oblongata responds to(increased or decreased) CO2 and (low or high) pH.
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What are the 2 peripheral chemoreceptors ?
- carotid bodies
- aortic bodies
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Aortic bodies in the peripheral chemoreceptors respond to (increased or decreased) O2.
Decreased.
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interacts with the medullary respiratory centers to smooth the respiratory centers to smooth the respiratory pattern.
Pontine respiratory group
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contains rhythm generators whose output drives respiration. regulates the normal regular breathing
ventral respiratory group
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modifies the rhythms of breathing
Dorsal respiratory group
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Two parts of the respitory center
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Receptors such as pain and emotion are locared where?
Hypothalamus
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Inspiration:
Nerve impulses travel on _____ nerve to muscles of diaphragm, contracting them. As the moves downward the thoracic cavity expands. The intra-alveolar pressure _____. Atmospheric pressure, which is _____ on the outside, forces air into the respitory tract through the air passage way. Air fills up lungs.
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Expiration:
The _____ and external respitory muscles _____.Tissues recoil aound the lungs and _____ the intra-aveolar pressure. Then air is squeezed out of the lungs.
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What is the average Tidal volume?
500 mL
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what is the total lung capacity?
5,800mL
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What is the total vital capacity?
4,600mL
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Severe shortage of oxygen in tissues
anoxia
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Temporary absense of respiration that may follow hyperventilation
apnea
-
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Bronchiolar muscle spasms; constriction.
Asthma
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difficult breathing
Dyspnea
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spasmodic contraction of the diaphragm, causing short, abrupt inspiration.
Hiccup
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Deep breaths is released in a series of short expirations
Laughing and crying
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deep breath is taken, glottis is closed, and air ir forced against the closure; suddenly the glottis is opened, and a blast of air passes upward
coughing
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Oxygen combines with iron atoms of hemoglobin molecules to form ?
oxyhemoglobin
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about _____% of carbon dioxide dissolves in plasma.
7
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about _____% combines with the amino groupsof hemoglobin molecules to form carbaminohemoglobin.
23
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about _____% of carbon dioxide reacts with water to form carbonic acid.
70
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