Airways Flashcards
Upper airway goes from nose to _____
larynx
The ____ airway’s function is to warm, filter and humidify air as it enters body
upper
The pharynx (NP, OP, LP) is ____ the larynx
above
The ____ marks the end of upper airway and beginning of lower airway
larynx
Glottis is the area between the ____
vocal cords
Thyroid cartilage and cricoid cartilage are part of the
larynx
The _____ airway’s function is to delivery 02 to the alveoli
lower
The ____ airway includes trachea, bronchi, and lungs
lower
___ distribute oxygen to the lungs
Bronchi
The _____ divides at the carina into two main stem bronchi, right and left
trachea
The process of loading oxygen onto hemoglobin molecules in bloodstream
Oxygenation
In _____, the diaphragm and intercostal muscles contract
Inhalation
_[inspiration? exhalation?]____ focuses on delivering oxygen to the alveoli
inspiration
______ respiration exchanges 02 and C02 between alveoli and blood in pulmonary capillaries
External (or pulmonary)
____ respiration is exchanged of 02 and C02 between systemic circulatory system and cells
Internal
Irreversible brain damage occurs after ___ minutes of oxygen deprivation
10
___ is the appearance of breathing after heart has stopped
agonal breaths
Cheynes-stokes respirations are seen in _____ injuries or strokes
head
Deep, rapid respirations seen in metabolic acidosis
Kussmaul respirations
Most common airway obstruction is the ____
tongue
___ position is used to help maintain airway in an unconscious patient who is NOT injured and is breathing on own
Recovery
Nasal cannulas at 1-6lmp deliver ____% oxygen
24 - 44%
____ are the most effective method of dislodging and forcing out an object
Abdominal thrusts
During insertion of OP, pt begins to vomit. Immediately ____, then ____
turn on side, then suction
A BVM is indicated if pt’s breaths
<8
The portion of the tidal volume that does not reach alveoli / participate in gas exchange
Dead space
Fresh air contains about __% oxygen
21%
Without adequate oxygen, cells don’t completely convert glucose into energy, and lactic acid+toxins accumulate. this is _____ metabolism
anaerobic
____ monitor the levels of o2, co2, etc. in CSF
chemoreceptors
hypercarbia is _____ of c02 levels in bloodstream
increase
Normal RR range for children
15 - 30
irregular, ineffective respirations with no pattern
ataxic respirations
When sizing an OP, measure from __ to __
corner of mouth to earlobe
___ can result in an inaccurate pulse ox reading
CO2 poisoning
Upper airway is all structures above the ____
vocal cords
In exhalation, the air pressure in lungs is ___ than the pressure outside
higher
Moving air in and out of lungs during ventilations is ____ ventilation
passive
The amount of gas in air or dissolved in fluid is known as ___ pressure
partial
liquid that coats the alveoli
surfectant
