Glucagon:   a. is released by pancreatic beta cells   b. accelerates liver glycogenolysis   c. causes a drop in blood glucose levels   d. all of the above   The section of the vertebral column that contains the most vertebrae is the:   a. lumbar section   b. sacrum section   c. thoracic section   d. cervical section   The lower abdominopelvic regions include the:   a. right and left lumbar and hypogastric   b. right and left iliac and hypogastric   c. right and left iliac and umbilical   d. right and left lumbar and epigastric

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