Multiple Choice
In what ways do hormones alter their target cells?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following statements is true of both neural and endocrine regulation?
A
Both systems rely solely on electrical signals for communication.
B
Both systems have effects that are always short-lived.
C
Both systems provide immediate responses to stimuli.
D
Both systems use chemical messengers to communicate with target cells.
Verified step by step guidance1
Understand the basic functions of the neural and endocrine systems: The neural system uses neurons to transmit signals quickly through electrical impulses, while the endocrine system uses hormones to send messages through the bloodstream.
Identify the communication methods: The neural system primarily uses neurotransmitters as chemical messengers at synapses, while the endocrine system uses hormones as chemical messengers released into the bloodstream.
Analyze the statement about electrical signals: The neural system relies on electrical signals, but the endocrine system does not; it uses chemical signals.
Consider the duration of effects: Neural responses are typically fast and short-lived, whereas endocrine responses can be slower but longer-lasting.
Evaluate the statement about chemical messengers: Both systems indeed use chemical messengers (neurotransmitters and hormones) to communicate with target cells, making this statement true for both systems.
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