Multiple Choice
Which of the following is not a role that the nervous system plays in controlling hormone secretion?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following is NOT a change typically produced by a hormonal stimulus?
A
Stimulation of mitosis
B
Alteration of plasma membrane permeability
C
Direct activation of skeletal muscle contraction
D
Induction of secretory activity
Verified step by step guidance1
Understand the role of hormones: Hormones are chemical messengers that travel through the bloodstream to tissues and organs, affecting various physiological processes.
Identify typical hormonal effects: Hormones can stimulate mitosis, alter plasma membrane permeability, and induce secretory activity. These are common changes associated with hormonal stimuli.
Consider the nature of skeletal muscle contraction: Skeletal muscle contraction is primarily controlled by the nervous system through electrical impulses, not directly by hormonal stimuli.
Differentiate between direct and indirect effects: While hormones can influence muscle growth and metabolism indirectly, they do not directly activate skeletal muscle contraction.
Conclude the analysis: Based on the understanding of hormonal effects and muscle contraction mechanisms, identify that direct activation of skeletal muscle contraction is not typically produced by a hormonal stimulus.
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