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The sympathetic division of the ANS is also called the thoracosacral division.

A) True
B) False

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We lack awareness of many of our bodies' systems for maintaining homeostasis.The sensations,movements,and secretions of organs such as the heart and intestines are governed by the


A) autonomic nervous system.
B) somatic nervous system.

C) A) and B)
D) undefined

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Postganglionic axons of the parasympathetic branch of the ANS cause increased secretion by the lacrimal glands.

A) True
B) False

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Parasympathetic postganglionic axons from the otic ganglion cause an increase in secretion from the parotid salivary glands.

A) True
B) False

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The knee jerk reflex (when the quadriceps muscles contract after the patellar tendon is tapped) is directed by the


A) autonomic nervous system.
B) somatic nervous system.

C) A) and B)
D) undefined

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Stimulation of Ξ²\beta 2receptors in the lung causes


A) bronchoconstriction.
B) bronchodilation.

C) A) and B)
D) undefined

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The sympathetic and parasympathetic systems have _________ effects on heart rate.


A) antagonistic
B) cooperative
C) synergistic
D) negligible

E) C) and D)
F) None of the above

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The second neuron in an autonomic pathway is called a _________ neuron.

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The sympathetic preganglionic neuron cell bodies are housed in the _______ horn of the appropriate thoracolumbar regions of the spinal cord.

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The preganglionic axons of CN III extend to the _______ ganglion.


A) pterygopalatine
B) submandibular
C) otic
D) pelvic
E) ciliary

F) A) and B)
G) B) and E)

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Which autonomic plexus innervates viscera within the pelvic region


A) Esophageal plexus
B) Pulmonary plexus
C) Abdominal aortic plexus
D) Hypogastric plexus
E) Cardiac plexus

F) B) and D)
G) A) and E)

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Typically,alpha adrenergic receptors have


A) stimulatory effects.
B) inhibitory effects.

C) A) and B)
D) undefined

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Which system engages in mass activation


A) Parasympathetic nervous system
B) Sympathetic nervous system

C) A) and B)
D) undefined

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The sympathetic trunks are located


A) superior to the brachial plexus.
B) inferior to the sacral plexus.
C) immediately lateral to the vertebral column.
D) lateral to prevertebral ganglia.
E) in the craniosacral regions.

F) A) and B)
G) A) and C)

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  -Which number indicates a postganglionic axon A) 3 B) 4 C) 5 D) 6 E) 7 -Which number indicates a postganglionic axon


A) 3
B) 4
C) 5
D) 6
E) 7

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

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The arrector pili muscles receive their sympathetic innervation via the


A) splanchnic nerve pathway.
B) adrenal medulla pathway.
C) postganglionic sympathetic nerve pathway.
D) spinal nerve pathway.
E) None of the choices is correct.

F) C) and D)
G) B) and E)

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In the brain,the ________ is the integration and command center for autonomic functions.


A) medulla
B) cerebral cortex
C) spinal cord
D) brainstem
E) hypothalamus

F) None of the above
G) A) and B)

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Which is false regarding the somatic nervous system (SNS)


A) The SNS is under voluntary control.
B) The SNS uses motor and sensory neurons.
C) The SNS innervates skeletal muscle fibers.
D) The SNS is part of both the CNS and the PNS.
E) The SNS is activated by visceral sensory neurons.

F) B) and C)
G) A) and D)

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_______ nerves are composed of preganglionic sympathetic axons that did not synapse in a sympathetic ganglion.

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Which may be involved in an autonomic reflex


A) Cardiac muscle contraction
B) Smooth muscle contraction
C) Secretion by glands
D) All of the choices are correct.
E) None of the choices is correct.

F) B) and D)
G) C) and E)

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