A nurse recalls that direct stimulation of the insulin-secreting cells of the pancreas by the auto-nomic nervous system is an example of which type of control?
a. Negative feedback
b. Positive feedback
c. Neural
d. Substrate-level dependent
ANS: C
Direct stimulation of the insulin-secreting cells of the pancreas by the autonomic nervous system is a form of neural control. Direct stimulation of insulin-secreting cells is not controlled by a feedback mechanism or by substrate-level dependency.
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