Which of the Following Is a Benefit Provided by Fetal

question 103

Multiple Choice

Which of the following is a benefit provided by fetal hemoglobin?

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

---

Definitions:

Somatic Nervous System

Part of the peripheral nervous system associated with the voluntary control of body movements through the action of skeletal muscles.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for rapid responses to stressors, activating the fight-or-flight response.

Somatic

Relating to or affecting the body, especially as distinct from the mind.

Parasympathetic

The part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing digestive activities.