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Chapter 15 Smartbook Questions.
Terms in this set (36)
Postganglionic axons from the _______ _________ ganglion innervate the distal colon, rectum, urinary bladder, distal parts of the ureters, and most of the reproductive organs
This division of the autonomic nervous system is responsible for the increased alertness and metabolic activity needed in stressful or frightening situations
Which cranial nerves are associated with the parasympathetic division of the autonomic nervous system?
oculomotor (CN III), Vagus (CN X), Facial (CN VII), Glossopharyngeal (CN IX)
Which of the following works constantly with the somatic nervous system to regulate body organs and maintain normal internal functions?
Autonomic Nervous System
Which of the following are ways in which the parasympathetic and sympathetic divison of the autonomic nervous system are similar?
both divisions are under involuntary control, both divisions contain the autonomic ganglia that house ganglionic neurons, both divisions utilize a preganglionic and ganglionic neuron
The sympathetic division of the autonomic nervous system is anatomically known as the _________ division
Which organs receive postganglionic axons from the inferior mesenteric ganglion?
reproductive organs, rectum, urinary bladder
Which segments of the spinal cord house the sympathetic preganglionic neuron cell bodies?
T1 - L2
The parasympathetic division of the autonomic nervous system helps maintain ________, a constant internal environment
The branch of the nervous system most closely associated with maintaining homeostasis is the ________ nervous system
T or F: the autonomic nervous system is also called the visceral nervous system
The ________ nervous system is the branch of the autonomic nervous system that is involved in the "fight or flight" reflex
Which organs are innervated by postganglionic axons from the celiac ganglion?
spleen, stomach, liver
Involuntary activities of the body, such as changes in blood vessel diameter to adjust blood pressure, are under the control of the:
autonomic nervous system
Which organs receive postganglionic axons from the superior mesenteric ganglion?
kidneys, proximal ureters, jejunum of small intestine
Which cranial nerve supplies parasympathetic innervation to the thoracic organs, most abdominal organs, and the gonads?
Vagus (CN X)
The somatic nervous system is under ________ control, while the autonomic nervous system is under ________ control
conscious, subconscious; voluntary, involuntary
Which division of the autonomic nervous system maintains homeostasis when we are at rest?
The ________ salivary gland receives parasympathetic innervation from the glossopharyngeal nerve (CN IX)
Tears, nasal, secretion, and saliva are under parasympathetic control from the cranial nerve named the ________ nerve
Parasympathetic innervation causes _______ of the female clitoris and male penis
drooping of the superior eyelid
lack of sweat
The autonomic and somatic nervous systems can be distinguished by whether or not we are ________ of the processes they control
What connects the spinal nerves to each sympathetic trunk?
Stimulation of the reticular activation system causes a heightened sense of alertness during:
mass activation of the sympathetic division
The preganglionic neurons of the parasympathetic division originate in the:
lateral gray matter of S2-S4 and brainstem
Two autonomic responses processed and controlled at the level of the spinal cord are:
defecation and urination
Which of the following statements describe the parasympathetic division of the autonomic nervous system?
long preganglionic axons and short postganglionic axons, preganglionic neuron cell bodies in the brainstem and S2-S4, "rest-and-digest" division
Which of the following occurs when axons from one preganglionic cell synapse on numerous ganglionic cells?
Which of the following blood vessels associates with the anterior and posterior vagal trunks as they pass through the diaphragm?
descending abdominal aorta
The adrenal medulla releases both ________ and ________ into the bloodstream
The middle of the three prevertebral ganglia is the ________ ________ ganglion
In the somatic nervous system, a single motor neuron extends uninterrupted from the ________ ________ to effector muscle
The _______ ________ ganglion is adjacent to the origin of the inferior mesenteric artery
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