Which Is a Benefit Provided by Fetal Hemoglobin

question 119

Multiple Choice

Which is a benefit provided by fetal hemoglobin?

• A) It occurs in higher density in red blood cells than adult hemoglobin does.
• B) It releases O₂ at a lower partial pressure than adult hemoglobin does.
• C) In the placenta, O₂ diffuses from fetal hemoglobin to adult hemoglobin.
• D) At low O₂ pressures, it is less likely to pick up oxygen than adult hemoglobin is.
• E) It transfers O₂ from adult hemoglobin to the fetus.

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