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UNC EXSS 380 Exam Review Actual study Questions with correct/verified Answers

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8 pages

Written in 2024/2025

Grade A+

EduSprint

The neurotransmitter associated with skeletal muscle depolarization is _____. - Answer acetylcholine A change in selective membrane permeability to _____ begins the chain reaction that results in membrane depolarization. - Answer Na+ The smallest component of the nervous system that contributes to muscle contraction is the __________. - Answer motor unit Which type of neuron conducts nerve impulses away from the central nervous system? - Answer efferent The ________ area ...

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11 pages

Written in 2026/2027

Grade A+

TestSolver9

electromyography - Answer tool used in both research and clinical settings to identify muscle activity electromyogram - Answer electrical signal associated with muscle contraction EMG recording requirements - Answer -electrodes (detects myoelectric signal; function as transducers) -amplifier (small amplitude of myoelectric signal requires amplitude to allow for interpretation) transducers - Answer join circuit for ion flow within muscle and electron flow in recording equipm...

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3 pages

Written in 2026/2027

Grade A+

TestSolver9

What processes sensory information ? - Answer Central Nervous System What information is being provided to the CNS for processing? - Answer Sensory input from periphery How does the CNS respond to sensory input from periphery? - Answer Used to make appropriate motor output What phenomenon is the CNS considered to be & why? - Answer "Black Box" - Internal processes are inferred (inability to measure internal processes) What is one primarily focused on for informati...

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16 pages

Written in 2026/2027

Grade A+

TestSolver9

Attention - Answer -selectively concentrating on a particular stimulus while ignoring other perceivable information -attention is a *limited resource* types of stimuli - Answer 1. exogenous attention = external (bottom - up) ex: alarms, stop light, touching a hot stove, etc. 2. endogenous attention = internal/intention (top - down) ex: having a conversation during the middle of a loud party or consciously paying attention and deciding how to interpret braille attentional/change...

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25 pages

Written in 2026/2027

Grade A+

TestSolver9

What is Motor Learning? - Answer the study of the acquisition and/or modification of movement Changes in internal process that determine an individual's capabilities for performing a motor task Motor Skill - Answer an activity that requires voluntary movement to achieve a goal Skill acquisition - Answer learning the knowledge and skills necessary for effective performance Skill refinement - Answer Learner has discovered the most effective way to perform this task and i...

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10 pages

Written in 2026/2027

Grade A+

TestSolver9

why is the CNS considered to be a "black box"? - Answer due to its inability to measure internal processes the information processing model is primarily focused on... - Answer reaction time 3 stages of information processing? - Answer stimulus identification response selection response initiation/programming simple reaction time - Answer 1 stimulus, 1 response ex: light stimulus and press a key 200ms Go/No-go reaction time - Answer 2 stimulus, 1 response ex:...

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5 pages

Written in 2026/2027

Grade A+

TestSolver9

why is studying neuromuscular function important - Answer - important for development, why movement changes as our body develops - disease and disability, how we move, - performance, how we are able to manipulate the nervous system to do things more efficiently, more accurately, peak performance level societal limitations of disability - Answer job loss, inability to play sports what is disability - Answer decreased function of something what is the abosolute root of disabil...

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10 pages

Written in 2026/2027

Grade A+

TestSolver9

1. The point of communication between an axon of cell A and the dendrite of cell B is the _. a. Soma b. Axon c. Neurotransmitter d. Synapse - Answer D. Synapse 2. The ___ is responsible for increased nerve conduction velocity. a. Axon b. Myelin sheath c. Dendrite D. Neurotransmitter - Answer Myelin sheath 3. What is not a function of a glial cell? a. Insulate axons b. Transmit neurotransmitter into the neuromuscular junction c. Phagocytosis following disease d. Clear e...

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35 pages

Written in 2026/2027

Grade A+

TestSolver9

The smallest component of the nervous system that contributes to muscle contraction is the __________. A. motor end plate B. motor unit C. muscle twitch D. sarcomere - Answer B. motor unit Which type of muscle fiber is activated last during muscle contraction? A. Type I B. Type IIa C. Type IIb D. Type Ia - Answer C. Type IIb The number of muscle fibers innervated by a single motor neuron is identified by the _____________. A. Henneman principle B. Innervation constant C. I...

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21 pages

Written in 2026/2027

Grade A+

TestSolver9

The _____ area of the cerebral cortex is responsible for integration & interpretation of information from the peripheral receptors. - Answer somatosensory association The precentral gyrus is composed of the _____, while the postcentral gyrus is composed of the _____. - Answer primary motor area; somatosensory area The area of the somatosensory cortex representing the fingers is relatively _____, that of the toes is relatively _____. - Answer large; small The majority of neural ...

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60 pages

Written in 2026/2027

Grade A+

TestSolver9

The ______ is responsible for increased nerve conduction velocity. - Answer myelin sheath depletion of the neurotransmitter_____ is associated with Alzheimer's disease. - Answer serotonin input to the soma is achieved via the - Answer dendrite the neurotransmitter associated with skeletal muscle depolarization is - Answer acetylcholine decreased levels of ____ have been associated with Parkinson's disease. - Answer dopamine The majority of neurons are - Answer...

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4 pages

Written in 2026/2027

Grade A+

TestSolver9

UNC EXSS 380 Exam UPDATED QUESTIONS AND CORRECT ANSWERS What processes sensory information ? - CORRECT ANSWER Central Nervous System What information is being provided to the CNS for processing? - CORRECT ANSWER Sensory input from periphery How does the CNS respond to sensory input from periphery? - CORRECT ANSWER make appropriate motor output What phenomenon is the CNS considered to be & why? - CORRECT ANSWER Used to "Black Box" - Internal processes are in...

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18 pages

Written in 2026/2027

Grade A+

STANFORDTOPGRADES

EXSS 380 -Practice Test Exam UPDATED QUESTIONS AND CORRECT ANSWERS For a simple reaction time experiment, subjects must perform two different tasks in response to the same stimulus. The first task (Task 1) involves flexing the elbow as quickly as possible. The second task (Task 2) involves flexing the elbow as quickly as possible and then making contact with a suspended tennis ball. For which task would we expect a longer reaction time? A.Task 1 B. Task 2 C. Both should display t...

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10 pages

Written in 2026/2027

Grade A+

STANFORDTOPGRADES

EXSS 380 Review Exam UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS The neurotransmitter associated with skeletal muscle depolarization is _____. - CORRECT ANSWER acetylcholine A change in selective membrane permeability to _____ begins the chain reaction that results in membrane depolarization. - CORRECT ANSWER Na+ The smallest component of the nervous system that contributes to muscle contraction is the __________. - CORRECT ANSWER motor unit efferent Which type o...

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13 pages

Written in 2026/2027

Grade A+

STANFORDTOPGRADES

EXSS 380: EXAM 1 | QUESTIONS AND ANSWERS | 2025/2026 UPDATE | WITH COMPLETE SOLUTION!!

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22 pages

Written in 2025/2026

Grade A+

DoctorGriffin

EXSS 380 Exam 2 Questions with Correct Answers Latest Update 2025/2026 in the spinalized cat with transected dorsal roots, the velocity of walking gait on a treadmill is determined by - Answers the amplitude of electrical stimulation of the spinal cord sensory information from ______ is ensemble coded to provide force sense - Answers Type 1b afferents and cutaneous receptors IN which group would we expect to see the largest H-reflex? - Answers Elderly adults The semicircular canals are sensi...

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6 pages

Written in 2025/2026

Grade A+

joshuawesonga22

EXSS 380 Exam 1 Questions with Correct Answers Latest Update 2025/2026 How the neuromuscular system initiates and coordinates muscle activity to produce movement refers to: - Answers muscle control Movement of muscles can be modulated by sensory information provided by what system? - Answers peripheral nervous system The acquisition of motor skills refers to: - Answers motor learning An activity that requires voluntary movement to achieve a goal refers to: - Answers motor skill What are the...

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10 pages

Written in 2025/2026

Grade A+

joshuawesonga22

EXSS 380: EXAM 1 | QUESTIONS AND ANSWERS | 2025/2026 UPDATE | WITH COMPLETE SOLUTION!!

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16 pages

Written in 2025/2026

Grade A+

EvaTee

EXSS 380 Exam 2 | Questions with Correct Answers (Verified) | 100 Pass!!!

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7 pages

Written in 2024/2025

Grade A+

ExamsCollection

EXSS 380 EXAM 2 WITH COMPLETE SOLUTIONS 100% VERIFIED!!...

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7 pages

Written in 2024/2025

Grade A+

Easton