Bio 114 (Landry): FINAL; Questions & Answers…Grade A+
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Course
BIO 114
Institution
BIO 114
Bio 114 (Landry): FINAL; Questions &
Answers…Grade A+
provides conscious and subconscious control over skeletal muscles Correct answer-SNS
controls the visceral effectors: smooth muscle, glands, cardiac muscle, and adipocytes
Correct answer-ANS
part of the visceral reflex arcs; are invovl...
Bio 114 (Landry): FINAL; Questions &
Answers…Grade A+
provides conscious and subconscious control over skeletal muscles Correct answer-SNS
controls the visceral effectors: smooth muscle, glands, cardiac muscle, and adipocytes
Correct answer-ANS
part of the visceral reflex arcs; are invovled mostly in direct reflex responses to commands from
the hypothalamus Correct answer-preganglionic neurons
What is the function of autonomic ganglia? Correct answer-ganglionic neurons of
autonomic ganglia innervate visceral effectors
What are the two major divisions of the ANS? Correct answer-sympathetic division and
the parasympathetic division
in this division, axons emerge from thoracic and lumbar segments of the spinal cord and
innervate ganglia relatively close to the spinal cord Correct answer-sympathetic division
in this division, axons emerge from the brainstem and sacral segments of the spinal cord and
innervate ganglia very close to (or within) target organs Correct answer-parasympathetic
division
- a division of the nervous system
, Bio 114 (Landry): FINAL; Questions &
Answers…Grade A+
- consists of an extensive network of neurons & nerve networks in the walls of the digestive
tract Correct answer-ENS (enteric nervous system)
Although it may be influence by the sympathetic and parasympathetic divisions, the _____
initiates and coordinates complex visceral reflexes locally, without instructions from the CNS.
Correct answer-ENS
Which division of the ANS is responsible for the physiological changes you experience when
startled by a loud noise? Correct answer-the sympathetic division of the ANS
Starting in the spinal cord, trace the path of a nerve impulse through the sympathetic ANS to its
target organ in the abdominopelvic cavity. Correct answer-preganglionic neurons (T1-L2)
--> collateral ganglia --> ganglionic neurons (postganglionic fibers) ---> visceral effectors in
abdominopelvic cavity
a group of neurons embedded in the tissue of a target organ Correct answer-intramural
ganglion
What are some general responses to increased sympathetic activity? Correct answer--
heightened mental alertness
- increased metabolic rate
- reduced digestive and urinary functions
- activation of energy reserves
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