Compared to adult hemoglobin, fetal hemoglobin
A. binds iron more strongly.
B. has more heme units.
C. binds oxygen more readily.
D. has more hemoglobin subunits.
Answer: C
Anatomy & Physiology
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In fetal circulation, blood may bypass the pulmonary circuit by passing from the pulmonary trunk to the aorta through the
A) ductus venosus. B) ductus arteriosus. C) ligamentum arteriosum. D) umbilical arteries. E) fossa ovale.
Anatomy & Physiology
The major control center of the visceral motor system is the
A) thalamus. B) basal nuclei. C) cerebrum. D) hypothalamus.
Anatomy & Physiology
Essential nutrients:
A) are only obtained through the diet. B) include most carbohydrates. C) include cholesterol. D) are made by the body.
Anatomy & Physiology
Potassium, sodium, and chlorine are trace elements.
Answer the following statement true (T) or false (F)
Anatomy & Physiology