A hemoglobin molecule is composed of
A) just two protein chains.
B) four protein chains and four heme groups.
C) four heme groups but no protein.
D) just four protein chains and nothing else.
E) just three protein chains.
B) four protein chains and four heme groups.
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A cerebrovascular accident (CVA, or stroke) can occur due to a blockage in the:
A) basilar artery. B) facial artery. C) occipital artery. D) axillary artery.
The urinary bladder is found in which abdominopelvic region?
A. Hypogastric B. Right lumbar C. Left iliac D. Left lumbar E. Hypochondriac
A person with type B blood can generally accept a transfusion of type AB blood.
Answer the following statement true (T) or false (F)
A person with type AB blood has ________ RBC antigen(s).
A. anti-B B. A and B C. anti-A D. anti-A and anti-B E. no