Mechanical stress in the lumbar vertebrae is less than expected because of which of the following structural details?
A. bears more weight or force than other vertebrae
B. larger weight-bearing surface area than other vertebrae
C. both A and B
D. none of the above
B. larger weight-bearing surface area than other vertebrae
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Which sympathetic pathway involves only a preganglionic axon going to the effector organ?
A. Splanchnic nerve pathway B. Adrenal medulla pathway C. Postganglionic sympathetic nerve pathway D. Spinal nerve pathway E. None of the choices is correct.
The ingestion of which nutrient type results in the greatest food-induced thermogenesis?
A) carbohydrates B) vitamins C) proteins D) lipids
The structure that connects the two cerebral hemispheres is the
A) suprachiasmatic nucleus. B) hippocampus. C) corpus callosum. D) basal nuclei. E) gray "H."
Many different neurons can stimulate an autonomic ganglion cell simultaneously due to
A. reciprocity. B. reverberation. C. convergence. D. divergence.