객관식
In a classroom demonstration of tracheostomy, folded pipe cleaners are most likely used to represent which anatomical structure?
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14. The Autonomic Nervous System
Introduction to the Autonomic Nervous System
객관식
Which of the following structures are primary anatomical components of the parasympathetic division of the autonomic nervous system?
A
Sympathetic chain ganglia
B
Thoracic and lumbar spinal nerves T1-L2
C
Dorsal root ganglia
D
Cranial nerves III, VII, IX, and X, and sacral spinal nerves S2-S4
검증된 단계별 안내1
Understand the parasympathetic division of the autonomic nervous system: It is responsible for 'rest and digest' functions, promoting relaxation, energy conservation, and maintenance of homeostasis.
Identify the anatomical components of the parasympathetic division: These include cranial nerves III (oculomotor), VII (facial), IX (glossopharyngeal), and X (vagus), as well as sacral spinal nerves S2-S4.
Eliminate incorrect options: Sympathetic chain ganglia and thoracic/lumbar spinal nerves T1-L2 are part of the sympathetic division, not the parasympathetic division. Dorsal root ganglia are sensory structures and not specific to the parasympathetic division.
Focus on the correct answer: Cranial nerves III, VII, IX, and X, along with sacral spinal nerves S2-S4, are the primary anatomical components of the parasympathetic division.
Relate the components to their functions: For example, cranial nerve X (vagus) plays a major role in parasympathetic control of the heart, lungs, and digestive tract, while sacral spinal nerves contribute to parasympathetic control of the pelvic organs.
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