Who Wants to Be a Millionaire 50:50 POLL PHONE-A-FRIEND Who Wants to Be a Millionaire Doctor? Created by Terri Street for OKTechMasters © 2000 Adapted by Tom Gest, Anatomical Sciences, University of Michigan Medical School, 2004 Questions developed by Charisa Roy, University of Michigan Medical School Class of 2007
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Which of the following does NOT involve the somatic nervous system? A. voluntary actions B. some reflexes C. pain sensory signals D. homeostasis
Which of the following does NOT involve the somatic nervous system? B. some reflexes D. homeostasis
The somatic nervous system mediates voluntary actions, while the autonomic nervous system maintains homeostasis. Back to Board
D. central nervous system Maintaining blood pressure is a job of which division of the autonomic nervous system? A. sympathetic B. parasympathetic C. sympathetic & parasympathetic D. central nervous system
Maintaining blood pressure is a job of which division of the autonomic nervous system? B. parasympathetic C. sympathetic & parasympathetic
Blood pressure is regulated by the interplay of the sympathetic and parasympathetic nervous systems. Back to Board
Effector organs are organs innervated by which part of the nervous system? A. autonomic B. somatic C. autonomic & somatic D. entire CNS
Effector organs are organs innervated by which part of the nervous system? A. autonomic B. somatic
Organs innervated by the autonomic nervous system are called effector organs. Back to Board
A. prevertebral ganglia B. paravertebral ganglia The cell bodies of the presynaptic sympathetic neurons can be found in which of the following structures? A. prevertebral ganglia B. paravertebral ganglia C. sympathetic chain D. lateral horn (T1-L2)
The cell bodies of the presynaptic sympathetic neurons can be found in which of the following structures? C. sympathetic chain D. lateral horn (T1-L2)
All presynaptic sympathetic nerve cell bodies lie in the lateral horn of the spinal cord between spinal cord levels T1 to L2. Back to Board
What type of rami are only found between spinal segments T1-L2? A. interganglionic rami B. white rami communicantes C. gray rami communicantes D. segmental rami
What type of rami are only found between spinal segments T1-L2? B. white rami communicantes C. gray rami communicantes
Gray rami communicantes reach every spinal nerve, but white rami communicantes are only found between T1 and L2. Back to Board
Presynaptic sympathetic fibers have the option of passing through or synapsing at ganglia anywhere within what structure? A. spinal column B. sympathetic chain C. lateral horn D. cervical plexus
Presynaptic sympathetic fibers have the option of passing through or synapsing at ganglia anywhere within what structure? B. sympathetic chain C. lateral horn
Presynaptic sympathetic fibers can either synapse in the sympathetic chain or in preaortic ganglia in the abdomen (or the suprarenal medulla). Back to Board
A. interganglionic rami A postsynaptic sympathetic fiber can re-enter a spinal nerve via what structure? A. interganglionic rami B. white rami communicans C. gray rami communicans D. sympathetic chain
A. interganglionic rami A postsynaptic sympathetic fiber can re-enter a spinal nerve via what structure? A. interganglionic rami C. gray rami communicans
Gray rami communicantes carry postsynaptic sympathetic fibers to every spinal nerve (or more properly, the ventral primary ramus of every spinal nerve). Back to Board
All presynaptic sympathetic fibers leave the spinal cord via what structures? A. spinal nerves B. dorsal rootlets C. ventral rootlets D. rami communicantes
All presynaptic sympathetic fibers leave the spinal cord via what structures? C. ventral rootlets D. rami communicantes
Because presynaptic sympathetic fibers are motor fibers, they leave the spinal cord in the ventral rootlets (of T1 to L2). Back to Board
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