After a forced expiration, an attempt at inspiration is made with closed mouth and nose, whereby the negative pressure in the chest and lungs is made very subatmospheric; the reverse of Valsalva manoeuvre.
Pulmonary Capillary pressure during Mueller maneuver will _________.
What is a normal interincisor distance?
Micrognathia is a ______ jaw.
What are the functions of the cuneiform cartilages?
1) Stiffen aryepiglottic folds
2) aid in re-opening glottis
What is the level of the major carina?
vestibule of nose is innervated by the ______ ______.
What does RAE stand for
Ring, Adair and Elwyn
The Superior laryngeal nerve supplies motor to the _____________ __________, and sensory to the ______________ region.
Heliox physical attributes: (3)
1) ^ heat capacity
2) ^ viscosity
3) decrease density
VO2 = kg^0.75 x 10
What is the fulcrum point of the larynx?
What is the position of the vocal cords during rest?
cadaveric; REST and End-Expiration. (you expire at paramedian)
What is the position of the vocal cords during inspiration?
The Vocal cords are in the LATERAL position during ___ _________.
What are three examples of hyaline cartilage in the larynx?
The prominentia laryngis is also known as the:
What is the function of the thryoid cartilage?
Shield; protection and attachment
how laryngeal folds are suspended from the thyroid cartilage?
Which side of the crycoid cartilage is more thin?
What is the only circumferential laryngeal structure?
What are the two true joints in the larynx?
Which muscle ABducts the vc's?
Which muscles ADduct the vc's?
Lateral Cico-arytenoid and all other intrinisic muscles
the cricothyroid muscle is the only muscle innervated by the __ __ __.
What is the only intrinsic laryngeal muscle that is not a pair?
What two muscles work together to close the glottis?
aryepiglottic and thyroepiglottic.
Anisicoria is present in ____% of the human population.
Acromegaly is caused by:
excess growth hormone
What does PERLA stand for?
Pupils equal & reactive to Light & accommodation
Atlanta Occipital Extention: normal range
What can occur in a pt with a previous tracheostomy? What should you do when setting up an airway?
narrowing of the tracheal wall
downsize OETT 0.5 size
Is an ETT tube permeable to vapors?
What is the length of a 6.0 mm ETT introducer?
What is a stylet used for?
provide shape and stiffness
what is important to know during induction, planning to use an LMA?
can provide PPV without OAW
When secruing an LMA you want to prevent what? how is this done?
taping to zygomatic region, using tube tree
flexible fiber optic bronchoscopy
rate of sound energy flow per unit area that is perpendicular to the direction of propagation
frequency of sound waves
For sound to occur in a gas medium there must be what?
How often does post op hoarseness occur?
How often does VC ulceration occur as result of ETT insertion?
how often does VC granuloma formation occur?
define Cicatricial stenosis and how often it occurs: