Google Chiome 22. Gas achange &tranport; 91188664 nemView a Secure htps//session

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Google Chiome 22. Gas achange &tranport; 91188664 nemView a Secure htps//session masterine « previous | 11 of 11 return to assignment lterm 11 My Answers Give Up Figure 17 10 shows the efects of temperature and hydrogen an concentration on the ability of hemoglobin to bind exygen This esercise examines this Sgure more thoroughly demonstrating the signilficance of shits in the hemeglobin oxygen satur ation curves Comparing Fetal and Maternal Hemoglobin in the Ability to Bind Oxygen The fgure below shows the hemoglobin-axygen disassociation curves for fetal and maternal bemoglobin. This exercke demonstrates how dilerent affinities for oxygen promote deliver of oxygen from maternal blood to fetal blood 20°C (increased affinity) 100 100 80.1 Fetus 60 40 37C Mother body temperature) decreased affinity) 20 20 0 20 40 60 80 100 Po, (mm Hg) 0 20 400 8 100 Po, (mm Hg) (a) Effects of temperature Part M PH 7.60 (increased affinity) How does the dissociation cwrve for fetal bemoglobin compare to that for maternal hemoglobin? Feal hemoglobin has a lower affinity for oxygen than maternal hemoglobin at any partial pressure of oxygen Fetal hemoglobin has a higher affinity for oxypen than matermal hemoglobin PH 7.40 at any parial pressure of axygen Fetal hemoglobin has a higher aflinity for oxygen than matermal hemoglobin hemoglobin at higher parial pressures Fetal hemog)btin has the same affelty for caygen a pH-7.20 at lower partial pressures of oxygen, but a lower affinity than matemal (decreased affinity) any parsal pressure of exygen s mabernal hemoglobin at 0 20 4 0 80 100 Pa, Imm Hg (b) Emects of pt This question will be shown aher you complete previous questions Continuo Ham HannsG

Explanation / Answer

Fetal haemoglobin has higher affinity for oxygen than maternal haemoglobin at any partial pressure.

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