Which of the following is NOT an advantage conferred by centralization of the nervous system?
a. The delay between sensory stimulus input and motor response allows an individual to weigh the merits of its options.
b. The output neuron can receive inputs from multiple sources, including "higher" centers like the brain.
c. The "higher" centers can suppress reflex responses.
d. The "higher" centers can alter sensitivity of the motor neuron to its other inputs.
e. The "higher" centers can activate motor neurons in an anticipatory fashion.
A
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The four primary tissue types found in adult organs include all of the following except _________ tissue.
A. connective B. fibrous C. nervous D. epithelial E. muscular
The regulation of smooth muscle contraction is mediated by the phosphorylation of ____ in response to calcium binding to ____
a. myosin, calmodulin. b. actin, calmodulin. c. troponin, calmodulin. d. myosin, troponin. e. actin, troponin.
The layer of the meninges which lies closest to the bony cranium is the
a. arachnoid mater. b. dura mater. c. pia mater.
A substance that is useful for determining the plasma clearance rate of the kidney is ________.
A. protein B. ammonia C. glucose D. ADH E. inulin