exam 4 revised Flashcards
respiratory center
ventilation
slightly negative pressure to create suction between visceral and parietal pleura
intrapleural pressure
wants to equalize pressure with atmosphere
intrapulmonary pressure
amount of air inspired and expired with each breath (about 500mL)
tidal volume
elasticity of the lung
pulmonary compliance
collapse of a portion of lung
atelectasis
most (97%) of 02 loosely combined with this and carried to cells
hemoglobin
what is gas transport affected by?
cardiac output, hematocrit and exercise
fruity acetone breath
Kussmaul breathing
stop patterns in breathing
cheyne stokes
irregular breathing
biots
insufficient 02 to tissues
hypoxia
increased pulse, rapid shallow breaths, flaring of nostrils, intercostal retractions, cyanosis
hypoxia clinical signs
inability to breathe except in upright position
orthopnea
destruction of alveoli - C02 retention
emphysema
cyanosis, clubbing of fingers
bronchitis
reversible airflow obstruction, airway inflammation
asthma
normal pH range
7.35-7.45