Autonomic Nervous System Exam -Questions with Correct
Answers/ Verified/ Latest Update (2024/2025)
The SNS primarily innervates"the body wall" more specifically. - ✔✔Skin, skeletal muscles,
joints
Special & general senses
The ANS deals primarily with - ✔✔the body's internal environment
ANS input comes from - ✔✔autonomic sensory neurons (conveying info from blood vessels
& internal body organs (viscera))
ANS output (motor control) commands - ✔✔Smooth muscle
Cardiac muscle
Glands
Adipose tissue
Visceral receptors of the ANS "reflex" - ✔✔Mechanoreceptors
Chemoreceptors
Thermoreceptors
Nociceptors
Other internal stimuli
In the ANS, motor pathways have 2 neurons they are - ✔✔Post ganglionic and Pre
ganglionic
In the Somatic Nervous system a ___________ _____________ travels directly from the CNS
to a skeletal muscle - ✔✔Single myelinated axon
Preganglionic neuron - ✔✔cell body is in CNS with its myelinated axon extending to a
ganglion
, Postganglionic neuron - ✔✔cell body is in the ganglion, and its unmyelinated axon extends
to the EFFECTOR ORGAN
Autonomic Nerve Plexuses & Ganglia - ✔✔Axons of ANS form tangled networks, often
found close to major arteries
Thoracic plexuses - ✔✔Cardiac, pulmonary, esophageal
Abdominal plexuses - ✔✔Celiac ("solar" plexus)
Superior mesenteric
Inferior mesenteric
Hypogastric
"fight or flight" - ✔✔Sympathetic Division
"rest and digest" - ✔✔Parasympathetic Division
Parasympathetic NS causes _________ of the pupils - ✔✔Constriction
Sympathetic NS causes _________ of the pupils - ✔✔Dialation
Sympathetic innervation causes what to you brochules - ✔✔bronchodilation
Parasympathetic innervation causes what to your bronchules - ✔✔bronchoconstriction
Dual Innervation of the Heart allows for - ✔✔precise and efficient control
Answers/ Verified/ Latest Update (2024/2025)
The SNS primarily innervates"the body wall" more specifically. - ✔✔Skin, skeletal muscles,
joints
Special & general senses
The ANS deals primarily with - ✔✔the body's internal environment
ANS input comes from - ✔✔autonomic sensory neurons (conveying info from blood vessels
& internal body organs (viscera))
ANS output (motor control) commands - ✔✔Smooth muscle
Cardiac muscle
Glands
Adipose tissue
Visceral receptors of the ANS "reflex" - ✔✔Mechanoreceptors
Chemoreceptors
Thermoreceptors
Nociceptors
Other internal stimuli
In the ANS, motor pathways have 2 neurons they are - ✔✔Post ganglionic and Pre
ganglionic
In the Somatic Nervous system a ___________ _____________ travels directly from the CNS
to a skeletal muscle - ✔✔Single myelinated axon
Preganglionic neuron - ✔✔cell body is in CNS with its myelinated axon extending to a
ganglion
, Postganglionic neuron - ✔✔cell body is in the ganglion, and its unmyelinated axon extends
to the EFFECTOR ORGAN
Autonomic Nerve Plexuses & Ganglia - ✔✔Axons of ANS form tangled networks, often
found close to major arteries
Thoracic plexuses - ✔✔Cardiac, pulmonary, esophageal
Abdominal plexuses - ✔✔Celiac ("solar" plexus)
Superior mesenteric
Inferior mesenteric
Hypogastric
"fight or flight" - ✔✔Sympathetic Division
"rest and digest" - ✔✔Parasympathetic Division
Parasympathetic NS causes _________ of the pupils - ✔✔Constriction
Sympathetic NS causes _________ of the pupils - ✔✔Dialation
Sympathetic innervation causes what to you brochules - ✔✔bronchodilation
Parasympathetic innervation causes what to your bronchules - ✔✔bronchoconstriction
Dual Innervation of the Heart allows for - ✔✔precise and efficient control
