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148 Cards in this Set
- Front
- Back
Abesence of oxygen to the brain will cause damage or death within how many minutes
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6-10 min
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Gas that is necessary for energy production
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O2
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Waste product of the body's metabolism
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Carbon Dioxide
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The exchange of gas between a living organism between a living organism and its enviornment
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Respiration
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This extends from mouth and nose to the larynx
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Upper Airway
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This joins the upper and lower airway
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Larynx
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The upper airway includes
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Oral Cavity, nasal cavity and pharynx
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Cartilage that seperates the right and left nasal cavities
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Septum
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Sinus
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Air cavity that conducts fluids from the eustachian tubes and tear ducts to and from nasophyarynx
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These bines comprise the lateral and superior walls of the nasal cavity
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Maxillay, frontal, nasal, ethmoid, and sphenoid bones
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Structures that connect with the nasal cavity are:
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Sinuses, estachian tubes, and lacrimal
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Eustachian Tube
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A tube that connects the ear with the nasal cavity
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the 4 pairs of sinuses are:
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Maxillary sinus, frontal sinus, ethmoid sinus, sphenoid sinus
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These help trap bacteria entering the nasal cavity
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Sinuses
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Tubular vessels that drain tears and debris from eyes into nasal cavity
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Nasolacrimal ducts
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Superior, Middle, and Inferior Turbinates function as :
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Filters the air by depositing airborne particles on mucous membrane
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The Cheeks, Hard and soft palates and the tongue form?
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The Oral Cavity
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U shaped hyoid bone is located
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Beneath the chin
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The only bine in the axial skeleton that does not articulate is known as :
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The Hyoid bone
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A muscular tube that extends vertically form the back of the soft palate to superior aspect of the esophagus is:
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Pharynx
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Function of the pharynx
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Allows air to flow in and out of the respiratory tract and food and liquids to pass into digestive system
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3 regions of the pharynx are:
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nasopharynx, Oropharynx, and laryngeal pharynx (hypopharynx)
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Uppermost region of oharynx, extends from the back of nasal opening to the plane of soft palate
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Nasopharynx
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Extends from the planes of the soft palate to the hyoid bone
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Oropharynx
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Lymphatic tissue in mouth and nost that filter bacteria
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Andenoids
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Extends posteriorly from the hyoid bone to the esophagus and anteriorly to the larynx
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Laryangealpharynx
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Cartilage that prevent food from entering the repiratory tract during swallowing:
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Epiglottis
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An imprtant landmark for Endotracheal Intubation is
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Vallecula
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A fold formed by base of the tongue and epiglottis
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Vallecula
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Complex structure that joins pharynx with the trachea
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Larynx
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Thyroid and Cricoid cartiage, glottic opening, vocal chords, artenoid cartlidge, pyriform fossae and cricothyroid membarane are all part of the :
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Larynx
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This cartilge forms the pyrimid shped attachment for the vocal chords and is a landmark for ETT
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Arytenoid Cartlige
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Located posterior to the Adams Apple, this houses the glottic opening
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Throid Cartilage
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Whit band of of cartilge that regulate the passage of air throught the larynx and produce voice by contraction of the laryngeal muscles
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True Vocal Chords
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This lies beneath thyroid cartlige and is considered first tracheal ring
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Cricoid Cartlige
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This connects the inferior boarder of the thyroid cartilge with superior aspect of the cricoid cartilge
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Cricothyroid membrane
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This extends from below larynx to the alveoli
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Lower Airway
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This is 10-12 cm that connects the larynx to 2 stem bronchi
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Trachea
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Tubes from the trachea to the lungs is called
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Bronchi
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Bronchioles contain what type of receptors?
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Beta 2 Adrenergic Receptors
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This occurs when beta 2 receptors are stimulated?
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Relaxes the bronchial smooth muscle, increasing airwyas diameter (Bronchodialates)
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When parasympathetic receptors are stimulated this occurs
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The bronchial smooth muscle contracts, decreasing the airway diameter (bronchoconstriction)
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Microscopic air sacs where most oxygen and carbon dioxide gas exchanges take place
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Alveoli
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Alveolar Collapse is known as:
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Atelectasis
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Parenchyma
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Principle or essential parts of an organ
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Membranous tissue that covers the lungs
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Pleura
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This part of the pleura envelopes the lungs and does not catain nerve fibers
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Visceral Pleura
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This part of the pluera lines the thoracic cavity and does contain nerve fibers
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Parietal Pleura
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The space between the Visceral and parietal Pluera
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Pleural Space
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Holds a small amount of fluid to reduce friction between pleural respirations
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Pleural Space
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Inflammation of the pluera, usually casing chest pain, particulary in cigarette smokers
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Pleurisy
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The exchange of gases between a living organism and its enviornment is known as
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Respiratory
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Type of respiration that occurs in the lungs when respiratory gases are exchanged between alveoli and red blood cells in pulmonary Capillaries
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Pulmonary or external respiration
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Type of respiration that occurs in the peripheral cappilaries. Exchange of gases between red blood celss and the various body tissues
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Cellular or interanl respiration
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The mechanical process that moves air onto and out of the lungs
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Ventilation
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This involves coodinated interaction with the repiratory system, CNS, and muscloskeletal system
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Respiratory Cycle
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The respiratory cycle begins when lungs have achieved what
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Normal expiration and the pressure inside thoracic cavity eqauls atmospheric pressure
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Inspiration is what type of process?
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Active
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Expiration is what type of process?
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Passive
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Cells take oxygen from red blood cells coming from the arterial system and give up CO2 to the returning venous blood in the ?
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Capillaries
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Pressure exerted by each component of a gas mixture
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Partial Pressure
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PA is
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Aveolar Pressure
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Pa is
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Arterial Pressure
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This transfers the gases between the lungs and the blood and between the blood and peripheral tissues
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Diffusion
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Oxygen diffuses into the blood plasma, where most of it combines with hemoglobin and is measured as ?
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Oxygen saturation SPO2
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Hemoglobon approaches 100% when PaO2 of dissolved oxygen reaches
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90-100 torr
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O2 content/O2 capacity x 100%=
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Oxygen saturation
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This molecule carries the vast majority of O2 (about 97%)
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Hemoglobin molecule
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Reduction in breathing rate and depth
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Hypoventilation
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Increase in breathing rate and depth
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Hyperventilation
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Pneumothorax
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Accumulation of air or gas in the pleural Cavity
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Hemothorax
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Accumulation of blood or fluid containing blood in the plueral cavity
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Pulmonary Embolism
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Blot clot that travels to the pulmonary circulation and hinders oxygenation of the blood
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Blood transports CO2 mainly in the form of
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Bicarbonate
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Excessive pressure of Carbon Dioxide in the blood
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Hypercarbia
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Respiratory Rate
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Number of respirations per min
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Main respiratory center lies in what part of the brainstem
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Medulla
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The medulla isconnected to the respiratory muscles praimarily via the ?
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Vagus Nerve
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Apneustic Center
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Is responsible for to assume repiratory control to ensure continuation of respirations in the event the medulla fails
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Pneumotaxic Center
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Controls Expiration also located in PONS
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Herin-Breuer Refelx is responsible for ?
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Prevention of over expantion of lungs
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Primary control of respiration center is?
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Cerebral Spinal Fluid (CSF)
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Decreased partial pressure of oxygen in the blood
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Hypoxemia
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Mechanism that increases respiratory stimulation when PaO2 falls and inhibits respiratory stimulation when PaO2 Climbs
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Hypoxic Drive
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Normal Respiration rates in adults, children, and infants
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Adults- 12 to 20
Children- 18 to 24 Infants- 40 to 60 |
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Total amount of air contained in the lung at the end of amximal inspiration
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Total Lung Capacity (TLC)
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Total Lung Capacity in an adult is approx.
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6 Liters
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Tidal Volume (TV)
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is the average volume of gas inhaled or exhaled in one respiratory cycle
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Tidal Volume in an adult is approx.
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500 mL (5-7cc/kg)
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Dead Space Volume (VD)
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The amount of gas in the tidal volume that rmains in the air passage way unavailable for gas exchange
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Amount of gas in the tidal volume that reaches the alveoli for gas exchange
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Alveolar Volume (Va)
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The amount of gas moved in and out of respiratory tract in one min
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Minute Volume
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The amount of gas that reaches the alveoli for gas exchange in minute
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Alveolar Minute Volume
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The amount of air that can be maximally inhaled after a normal respiration
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Inspiratory Reserve Volume
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Expiratory Reserve Volume
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The Amount of air that can be maximally exhaled after inspiration
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Residual Volume
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The Amount of moisture remaining in the lungs after maximal exhalation
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The amount of air that can be maximally expired after maximum inspiration
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Forced Expiratory Volume
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An interference with air movementthrought the upper airway
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Upper Airway Obstruction
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This type of upper airway obstuction that emits high pitched noise known as stridor and may have a blueish appearance
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Partial Upper Airway Obstruction
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Most common cause of airway obstruction
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The tongue
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Most commonly aspirated material
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Vomitus
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The key to airway management in every patient is
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Vigilance
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Paradoxial Motion
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Assymetrical Chest Wall movement that lessens respiratory efficiency
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Flail Chest
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defect in Chest wall that allows a segment to move freely, causing paradoxial chest wall movement
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Anoxia
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Absence or near absence of oxygen
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Patients seated in a tripod position with repiratory difficulties may indicate the patient having?
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COPD
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How long can the brain function without O2
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4-6 min
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Foreceful exhalation of large volume of air from the lungs
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Coughing
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Sudden, forceful exhalation from the nose
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Sneezing
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Sudden inspiration caused by spasmotic contractionof the diaphram with spastic closure of glottis
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Hiccoughing (Hiccups)
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Slow deep, involuntary inspiration follwed by prolonged expiration
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Sighing
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Forceful expirationthat occurs against partially closed epiglottis
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Grunting
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Kussmals Respirations
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Deep, Slow rapid gasping breathing
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What type of respirations is commonly found in diabetic Ketoacidosis
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Kussmals Respirations
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Cheyne-Stoke Respirations
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Progressivly deeper, faster breathing alternating gradually with shallow sloer breathing
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Most common type of respirations found with a brain stem injury is ?
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Cheyne-Stokes respirations
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Biot's Respirations
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irregular pattern of rate and depth with sudden periodic episodesof apnea
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Respirations commonly found with Increses Intracranial Pressure
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Biots respiration
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Central Neurogenic Hyperventilation
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Deep, Rapid Respirations,
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Agonal Respirations
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Shallow, Slow, or infrequent breathing,
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Agonal respirations indicate what?
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Brain Anoxia
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High pitched sound heard oninhalation associated with laryngeal edema or constriction
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Stridor
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Wheezing
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Musical, squeaking or whistling sound heard on inspiration and or exhalation associated with bronchial constriction
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Bubbling sound heard on inspiration associated with fluid in the smaller bronchioles
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Crackles
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Course, rattling noise heard on inspiration associatedwith inflammation, mucus or fluid in the bronchioles
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Rhonchi
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Pulse Oximetry
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measurement of hemoglobin oxygen saturation in the peripheral tissues
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SpO2
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O2 satuaration percentage- the saturation of arterial blood with O2
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Capnography
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Recording or Display of measurement of exhaled CO2 concentrations
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Canometry
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Measurement od expired CO2
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Measurement of CO2 Concentration at the end of expiration
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End-Tidal CO2
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Partial Pressure of the End tidal CO2 in a mixed Gas soloution
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PETCO2
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Represents the partial pressure of CO2 in the Arterial Blood
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PaCO2
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Straight blades for ET are used mosr often in
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Infants
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ETT ranges in what legnths
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12-32 cm
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Stylet
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platic covered wire used to bend the ETT
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Magill Forcepts
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Scissor-style clamps with circulat tips. Used to remove foreign bodies or redirectde ETT during nasotracheal Intubation
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Is potentially lethal if you do ot recognize it immediatley
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Esophageal Intubation
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Indications of esphogeal intubation
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Absence of chest rise, breath sounds, breath condensation in ETT, Cyanosis, Falling SpO2, Phonation, Gurgling sounds
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Any tear in the lung parenchymea can cause this
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Tension Pneumothorax
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Tension Pnemothorax
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Accumulation of gas or air in the pleural Cavity
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Expanding of tension pneumothorax will casue damage to??
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The other lung, heart and structures of the mediastinum
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Indications of Tesion Pneumothorax
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Poor or worsening complience, Diminished unilateral breath sounds, hypoxia with hypotension, distended neck veins
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Giving medications to sedate and temprarily paralyze a patient and then performing orotracheal intubation is
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Rapid Sequenc intubation
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Depolarizing medication that causes temporary paralysis and used for Rapid Sequence Intubation
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Succinylcholine
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Dose onset and duration for succinylcholine
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Dose: Adults 1.5mg/kg IV Bolus Pediatrics 2.0 mg/kg
Onset 60-90 sec Duration 3-5 min |
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Contraindicatoins for succinylcholine
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Penatrating eye injuries, Pts with burns > 8 hrs. Crush injusries, neurologic injuries > 1 week
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2 medication used for sedation in Rapid Sequence Intubation
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Succinylcholine and Vecuronium
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Dose, onset, duration of Vecuronium
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Paralyzing 0.15mg/kg IV bolus
Priming 0.01mg/kg IV Bolus |