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Respiratory

QuestionAnswer
Tidal volume Amount of air inhaled or exhaled with each breath under resting conditions ~ 500 ml
IRV – inspiratory Reserve Volume Amount of air that can be forcefully inhaled after a normal tidal volume inhalation ~ 3100 mL.
amount of air that can be forcefully exhaled after a normal tidal volume exhalation ~ 1200 ml
Vital capacity Maximum amount of air that can be exhaled after a maximal inhalation ~ 4800 ml
Residual volume the amount of air remaining in the lungs at the end of a maximum expiration
FEV1 Force expiratory volume in volume looks at percentage of the vital capacity that is exhaled ruing specific time intervals of FVC test, specifically the first second.
FEV1 amount of air expired during one second
Where in the brain is the respiratory center inspiratory center located? medulla
Under normal conditions, what acts as the stimulus for inspiration? CO2
Define tidal volume: what we breathe in & out normally (at rest)
Does hyperventilation cause acidosis or alkalosis? alkalosis
Does the addition of surfactant increase or decrease air flow? increase
Name the large cartilage of the larynx that is sometimes referred to as the Adam's apple. thyroid cartilage
Name the opening into the trachea which is guarded by the vocal folds (true vocal cords) larynx
why don't both lungs collapse when there is a penetration into the thoracic cavity each lung is in its own cavity and they are separate from each other
Why can you hold your breath longer after hyperventilation? baseline to become acidic is father away.
define pneumothorax penetration into the thoracic cavity
Two principles governing flow of air into and out of lungs 1. changes in volume result in changes in 2. air flows from areas of higher pressure to lower pressure
Name the two inspiratory muscles external intercostals and diaphragm
How many lobes does right lobe have? three
How many lobes does left lobe have? two
conducting zone structures from nasal cavity to terminal brochioles; no gas exchange; anatomical dead space
anatomical dead space conducting zone structures
physiological dead space any air in where gas should be occuring but isn't due to physiological condition
respiratory zone structures from respiratory bronchioles outward.
gas exchange occurs where in this whole path from trachea to alveoli? respiratory zone structures
during swallowing covere pharynx epiglottis
small cartilage that moves vocal cords arytenoid cartilage
corniculate cartilage tips of arytenoid cartilage
rings around the trachea tracheal cartilages
false vocal cords vestibular fold
true vocal cords vocal fold
large front cartilage shield shaped
adams apple laryngeal prominence
control center for respiratory activity in medulla oblongata
What tiggers medulla to make your breathe H+ concentration
Whast is the stimulus for inspiration? levels of CO2, H+ & O2 in blood
carbonic anhydrase formula CO2 + H2O > H2CO3> h+ + HCO-3 or CO2 + H2O < H2CO3 <h+ + HCO-3
Increased inhalation. Acidic or basic basic; goes to right
decresed inhalation. acidic or basic acidic. goes to left. increase h+, increased CO2.
low pressure moves air into lung inspiration, diagphragm contracts pulling downward, increasing the volume of the lung, which decreases pressue
higher pressure pushes air out of the lung expiration - diaphragm, decreasing the volume, which increase the pressure
tidal volume volume of air inspired/expired for each breath
residual volume left over air after forceful expiration
Created by: smreisinger