1|Page
BYU CELL 220 EXAM 2 NEWEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
What are the ascending tracts of the spinal cord? - ANSWER-
Tracts of the posterior funiculus, spinocerebellar tracts, and
spinothalamic tracts
What are the descending tracts of the spinal cord? - ANSWER-
Lateral Corticospinal tract and anterior Corticospinal tracts
What are the functions of the ascending and descending
pathways of the spinal cord? - ANSWER-Conducting sensory or
motor information and connecting the CNS to Cranial and Spinal
nerves
Where are the ascending and descending pathways of the spinal
cord found? - ANSWER-The white matter of the CNS
Where do preganglionic axons synapse? - ANSWER-The
Sympathetic and Parasympathetic Ganglia
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What are the functions of the sympathetic division? - ANSWER-
Fight or Flight response
The sympathetic division includes the... - ANSWER-Thoracic and
Lumbar Spinal Cord
The Sympathetic Nervous System effects... - ANSWER-Glands,
the eyes, heart, blood vessels, smooth muscle tissue, digestive
organs, sweat glands, adrenal glands, bladder, and genitals
Where are sympathetic ganglia found? - ANSWER-Near the CNS
and Vertebral Column
Where are parasympathetic ganglia found? - ANSWER-Near or
within the target organ
What are the functions of the parasympathetic division? -
ANSWER-"Rest and Digest" and conservation/replenishment of
energy stores
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The Parasympathetic Division exits from... - ANSWER-The
Brainstem and Sacral Spinal Cord
The Parasympathetic Division affects the... - ANSWER-Eyes,
Glands, Heart, Bronchi, Digestive Tract, Lower Colon, Bladder,
and Genitals
When Innervates by both the sympathetic and parasympathetic
divisions, the actions of the two divisions often... - ANSWER-
Oppose one another
Opposite effects on an organ can also be achieved by... -
ANSWER-Increasing or decreasing activity in one division
What is the enteric nervous system? - ANSWER-Large network of
neurons (containing as many neurons as the spinal cord) in the
walls of the digestive tract
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What is the function of the Enteric Nervous System? - ANSWER-
Automatic control of Digestive System Functions
The Enteric System... - ANSWER-Can be influenced by the ANS.
Can Operate Independently of the brain and spinal cord.
General senses are... - ANSWER-Temperature, pain, touch,
stretch, and pressure
Special senses are... - ANSWER-Sight, smell, taste, hearing, and
balance
Stimuli are detected by... - ANSWER-Receptors
Mechanoreceptors detect... - ANSWER-Touch, pressure, and
vibration
Thermoreceptors detect... - ANSWER-Temperature
BYU CELL 220 EXAM 2 NEWEST 2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED||
What are the ascending tracts of the spinal cord? - ANSWER-
Tracts of the posterior funiculus, spinocerebellar tracts, and
spinothalamic tracts
What are the descending tracts of the spinal cord? - ANSWER-
Lateral Corticospinal tract and anterior Corticospinal tracts
What are the functions of the ascending and descending
pathways of the spinal cord? - ANSWER-Conducting sensory or
motor information and connecting the CNS to Cranial and Spinal
nerves
Where are the ascending and descending pathways of the spinal
cord found? - ANSWER-The white matter of the CNS
Where do preganglionic axons synapse? - ANSWER-The
Sympathetic and Parasympathetic Ganglia
,2|Page
What are the functions of the sympathetic division? - ANSWER-
Fight or Flight response
The sympathetic division includes the... - ANSWER-Thoracic and
Lumbar Spinal Cord
The Sympathetic Nervous System effects... - ANSWER-Glands,
the eyes, heart, blood vessels, smooth muscle tissue, digestive
organs, sweat glands, adrenal glands, bladder, and genitals
Where are sympathetic ganglia found? - ANSWER-Near the CNS
and Vertebral Column
Where are parasympathetic ganglia found? - ANSWER-Near or
within the target organ
What are the functions of the parasympathetic division? -
ANSWER-"Rest and Digest" and conservation/replenishment of
energy stores
,3|Page
The Parasympathetic Division exits from... - ANSWER-The
Brainstem and Sacral Spinal Cord
The Parasympathetic Division affects the... - ANSWER-Eyes,
Glands, Heart, Bronchi, Digestive Tract, Lower Colon, Bladder,
and Genitals
When Innervates by both the sympathetic and parasympathetic
divisions, the actions of the two divisions often... - ANSWER-
Oppose one another
Opposite effects on an organ can also be achieved by... -
ANSWER-Increasing or decreasing activity in one division
What is the enteric nervous system? - ANSWER-Large network of
neurons (containing as many neurons as the spinal cord) in the
walls of the digestive tract
, 4|Page
What is the function of the Enteric Nervous System? - ANSWER-
Automatic control of Digestive System Functions
The Enteric System... - ANSWER-Can be influenced by the ANS.
Can Operate Independently of the brain and spinal cord.
General senses are... - ANSWER-Temperature, pain, touch,
stretch, and pressure
Special senses are... - ANSWER-Sight, smell, taste, hearing, and
balance
Stimuli are detected by... - ANSWER-Receptors
Mechanoreceptors detect... - ANSWER-Touch, pressure, and
vibration
Thermoreceptors detect... - ANSWER-Temperature
