marek Posted March 4, 2013 Share Posted March 4, 2013 Homework Question: When maternal oxygen is transferred to the fetus and fetal CO2 is passed back, how does this affect the maternal dissociation curve? Does this shift increase the transfer of oxygen to the fetus? --------------------------- My thinking is that the O2 transfer to the fetus will obviously reduce maternal oxygen binding and plasma O2 partial pressure, while CO2 transfer from the fetus will raise maternal CO2 partial pressure. I don't see why the O2 association/disassociation curve itself will change. Also, regarding the second question: obviously O2 transfer is O2 transfer so it will obviously affect it. Will CO2 transfer affect O2 transfer? Will CO2 transfer affect O2 partial pressure? I am not sure. Link to comment Share on other sites More sharing options...
BabcockHall Posted March 4, 2013 Share Posted March 4, 2013 It could be that the question is related to the Bohr effect. Link to comment Share on other sites More sharing options...
Genecks Posted March 5, 2013 Share Posted March 5, 2013 I'm kind of busy right now, but I found this source: Maternal, Fetal, & Neonatal Physiology: A Clinical Perspective Page 176 and 177 may help. Link to comment Share on other sites More sharing options...
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