There are five ________ vertebrae, seven ________ vertebrae, and twelve ________ vertebrae.
A. cervical; thoracic; lumbar
B. lumbar; thoracic; cervical
C. cervical; lumbar; thoracic
D. lumbar; cervical; thoracic
Answer: D
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The stomach
A. secretes the hormone gastrin. B. is the site of all mechanical digestion. C. bears numerous folds called plicae circulares. D. has two muscle layers in the tunica muscularis. E. All of the choices are correct.
The lymphoid system is composed of
A) lymph nodes. B) lymph. C) the spleen. D) lymphatic vessels. E) All of the answers are correct.
Which leukocytes are the first to arrive at an inflamed site?
A. B lymphocytes B. Monocytes C. Neutrophils D. T lymphocytes
The amount of CSF within the brain at any given moment
A. is about 50-60 ml. B. is somewhere around 1,000 ml. C. ranges between 100 ml and 160 ml. D. is about 500 ml. E. ranges between 300 ml and 420 ml.