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31 Cards in this Set
- Front
- Back
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two factors that decrease resistance
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recruitment and distension
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normal volume of dead space
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150mL
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normal tidal volume
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500mL
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three O2 carrying proteins
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Cytochrome oxidase>myoglobin>hemoglobin
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P50 of hemoglobin
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27-28mmHg
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HACE
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high-altitude cerebral edema
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Sympathetic: neurotransmitter, receptor, systemic arterioles, bronchioles
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Norepinephrine, adrenergic alpha1 beta2, systemic arterioles constrict, bronchioles dilate
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Parasympathetic: neurotransmitter, receptor, systemic arterioles, bronchioles
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Acetylcholine, muscarinic AChR, systemic arterioles dilate, bronchioles constrict
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4 forms of CO2
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Dissolved CO2, carbonic acid, bicarbonate, carbamino-hemoglobin
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ciliated epithelial cells
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have cilia; moves debris out of lings to esophagus to either be swallowed or coughed
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Goblet cells
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secrete mucus
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relaxed inspiration
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diaphragm, external intercostals
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relaxed expiration
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none
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forced inspiration
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diaphragm, external intercostals, scalenes, sternocleidomastoids
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forced expiration
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abdominals, internal intercostals
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obstructive diseases
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emphysema, COPD, asthma, bronchitis
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restrictive diseases
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black lung/coal miner's, pulmonary fibrosis, lack of surfactant, IRDS, ARDS, edema
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TLC
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6.0L
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Tidal Volume
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500mL
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Vital Capacity
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4.6L
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Residual volume
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1.2L
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average frequency
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12 breaths/min
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O2 solubility
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0.003ml/dl/mmHg
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what does cAMP do?
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helps with CFTR function
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what does 2,3DPG do?
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it is located near tissues and helps lower O2s affinity to Hb
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what is R?
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Respiratory coefficient
carb only diet R=1, mixed diet R=0.8, fat only diet R=0.7 |
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type 1 alveolar cells
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help with gas exchange
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type 2 alveolar cells
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release pulmonary surfactant
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define compliance
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the measure of the lung's ability to stretch and expand
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COPD
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Chronic Obstructive Pulmonary Disease
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what causes right shift for hemoglobin curve (lower affinity)
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decrease Po2, increase Pco2, decrease pH, increase Temp, add 2,3DPG
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