Of the nine abdominal regions, the central region is referred to as the __________ region.
A. lumbar
B. umbilical
C. hypogastric
D. inguinal
B. umbilical
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Which of the following is not a function of bones?
A. Blood cell production B. Attachment for muscles C. Contraction D. Storage of inorganic salts
Cells that lack insulin receptors cannot use glucose as an energy source.
Answer the following statement true (T) or false (F)
Placental progesterone reduces the maternal immune response to the fetus.
Answer the following statement true (T) or false (F)
Generally, a chemical buffer is described as
A. a strong acid or strong base that brings the pH of a solution to 7.0. B. a weak acid and weak base that help prevent big changes in pH. C. a weak acid that makes a solution slightly more basic by its presence. D. a neutral molecule that does not influence the pH in any way.