Multiple Choice
Which part of the nervous system prepares the body for sudden stress?
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14. The Autonomic Nervous System
Sympathetic Nervous System
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Sympathetic nerves may leave the spinal cord at which vertebral levels?
A
T6 to S1
B
T1 to L2
C
C1 to C7
D
L3 to S5
Verified step by step guidance1
Understand that the sympathetic nervous system is part of the autonomic nervous system, responsible for the 'fight or flight' response.
Recall that sympathetic nerves originate from the thoracolumbar region of the spinal cord, specifically from the lateral horns of the spinal cord segments.
Identify the vertebral levels associated with the thoracolumbar region. These levels are T1 to L2, which correspond to the sympathetic outflow.
Eliminate incorrect options by comparing them to the known range of T1 to L2. For example, T6 to S1 and L3 to S5 are outside the thoracolumbar range, and C1 to C7 is part of the cervical region, not the thoracolumbar region.
Conclude that the correct vertebral levels for sympathetic nerve outflow are T1 to L2, based on anatomical knowledge of the autonomic nervous system.
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