Lecture notes
Oxygen transport
- Module
- Medicine
- Institution
- Queens University Belfast (QUB)
Lecture notes of 5 pages for the course Medicine at QUB (Physiology)
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02TRANSPORT INBLOODCyanosis
The abnormal bluish discolouration of the skin and mucous
due to
membranes high levels of deoxygenated Hb
A Peripheral Decreased blood flow
and increased oxygen extraction C blue
extremities
B Central Low Hb saturation or abnormal
Hb C lips mucous membranes tongue are
blue
Partial pressure
Dalton's law States
that the total pressure
exerted by the mixture of
intent gases is equal to
the sum of the partial
pressures of the individual
gases in a volume of air
, The partial pressure
of a
gas in solution is
the partial pressure the
gas would need in the
gaseous phase to
equili
with
te ria that solution
Henry's law States that
the number of molecules dissolving in a liquid is directly
proportional to the partial pressure of the gas
Carriage of oxygen as
oxyhaemoglobin in blood
H b t 02 Hb 02
Ig Hb combines w I l 34 ml of Oz
With 1 Sog IL blood contains a
Max of 200 m l l L 02 bound to
Hb Oxygen carryingcapacity
ma x amount 02 that can combine
with Hb
Oxygen Sats Volume of oxygen bound to Hb ML L
Oxygen Cm Llc Cx too
capacity
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