Which of the following provides preganglionic parasympathetic innervation to structures in the thoracic and abdominopelvic cavities?
A) vagus nerves
B) sciatic nerves
C) glossopharyngeal nerves
D) pelvic nerves
E) splanchnic nerves
Answer: A
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Red blood cells are placed in a solution of 0.9% NaCl and no diffusion or osmosis is observed. This means that the solution is ________.
A. hypertonic B. hypotonic C. isotonic D. isertonic
Generally, negatively charged plasma proteins are
A. moved across the filtration membrane by active transport pumps. B. attracted by the positive charge of the filtration membrane. C. repelled by the negative charge of the filtration membrane. D. engulfed by endocytosis and reabsorbed at the filtration membrane.
During muscle contraction ATP supplies energy for
A) creatine phosphate synthesis. B) enzyme activity. C) glycogen synthesis. D) myofilament movement.
Bones serve as fulcrums for muscle action
Indicate whether the statement is true or false