The corticospinal pathways
A. bring sensory information from the spinal cord to the somatosensory region of the cerebral cortex.
B. consist of many interneurons linked synaptically.
C. begin in the cortex of the cerebellum.
D. are composed of alpha motor neurons.
E. are descending motor pathways.
Answer: E
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The Golgi tendon reflex
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The posterior ramus of a typical spinal nerve innervates the
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Which of the following descriptions of a blood sample is most accurate?
A. The ratio of red blood cells to white blood cells would be about 1:1. B. Platelets are usually present in higher numbers than red blood cells, but lower numbers than white blood cells. C. Most of the cells that can be identified are red blood cells, with much fewer white blood cells. D. White blood cells, usually much smaller than red blood cells, are represented in much lower numbers than platelets.