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Exam 15: Nervous System: Autonomic Nervous System

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Question 71

True/False

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White rami communicantes carry preganglionic sympathetic axons from the T1-L2 spinal nerves to the sympathetic trunk.

A) True
B) False

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Question 72

Multiple Choice

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Prevertebral ganglia are located

A) posterior to the vertebral column.
B) lateral to the vertebral column.
C) anterior to the vertebral column.
D) at the termination site of the postganglionic axon.
E) medial to the dorsal spinal columns.

F) C) and D)
G) A) and E)

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Question 73

Multiple Choice

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A structure that is said to resemble a pearl necklace is a

The postganglionic axons from the superior mesenteric ganglion innervate

White rami appear white in color due to the fact that they are ___________.

Parasympathetic stimulation of the ciliary muscles allows one to see close-up objects.

Muscarinic receptors are proteins that bind the neurotransmitter

-Which of the diagrams illustrates a parasympathetic ANS pathway

Which type of innervation causes pupil dilation

Which system contains short preganglionic axons that branch extensively

Sweat glands and arrector pili muscles are controlled

Which type of innervation causes reduced blood flow to the digestive tract

Both the cardiac plexus and the _______ plexus consist of postganglionic sympathetic axons from the thoracic sympathetic trunk ganglia and preganglionic axons from the vagus nerve.

The circuitry of the autonomic system allows for control in activation.The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is

Which sympathetic pathway is responsible for activating the esophagus,heart,lungs,and thoracic blood vessels

The sympathetic postganglionic axons from the superior cervical ganglion innervate A: Sweat glands in the head B: Sweat glands in the palms C: Smooth muscle of blood vessels in the head D: Smooth muscles of blood vessels in the antebrachial region E: Superior tarsal muscle of the eye F: Submandibular salivary gland