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 three functions of the nervous system? - Answers sensory
integrative
motor
The ______is superior to the foramen magnum, while the _____is inferior to the foramen magnum
- Answers brain
spinal cord
What are the two divisions of the peripheral nervous system? - Answers autonomic nervous
system
somatic nervous system
In what division of the PNS, can motor stimuli be either excitatory or inhibitory? - Answers
autonomic nervous system
In what division of the PNC, can motor stimuli only be excitatory in nature? - Answers somatic
nervous system
What division of the peripheral nervous system contains the sympathetic nervous system and
the parasympathetic nervous system? - Answers autonomic nervous system
What part of the nervous system is responsible for voluntary and reflexive muscle activity and
only provide output to skeletal muscles? - Answers somatic nervous system
At what region does the axon join the soma? - Answers axon hillock
What is responsible for transmitting nerve impulses away from the cell body to other neurons,
muscle fibers, or glands? - Answers axon
Effectors refer to _____________ or __________ - Answers muscle
gland
, The junction between neurons and other neurons or effectors is known as the: - Answers
synapse
What part of the neuron contains the synaptic vesicle and neurotransmitters? - Answers
synaptic end bulb
What are the three major categories of neurotransmitters? - Answers amino acids
biogenic amines
neuropeptides
What neurotransmitter typically produces hyper polarization? - Answers GABA
An example of a neuropeptide neurotransmitter is: - Answers endorphins
What is the key neurotransmitter involved in skeletal muscle contractions? - Answers
acetylcholine
What is responsible for increasing nerve conduction velocity in the axon and helps make signal
transmissions much quicker? - Answers myelin sheath
What is the smallest controllable neural component in terms of regulating force? - Answers the
motor unit
What is one condition in which the sarcolemmal action potential is NOT obligatory? - Answers
fatigue
What are the two main characteristics of 'twitch'? - Answers contraction time
peak force
What are the two neural mechanisms used to increase contraction force? - Answers rate coding
motor unit recruitment
contractile force is proportional to ______________and ___________ - Answers firing frequency
number of active motor units
The mechanical response of muscle to a single stimulus refers to: - Answers twitch
_______is the sustained maximal tension due to high frequency stimulation, in that increase in
firing frequency can NOT produce an increase in force for a particular motor unit. - Answers
tetanus
Muscle fiber type affects: - Answers muscle force
rate of force production
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 three functions of the nervous system? - Answers sensory
integrative
motor
The ______is superior to the foramen magnum, while the _____is inferior to the foramen magnum
- Answers brain
spinal cord
What are the two divisions of the peripheral nervous system? - Answers autonomic nervous
system
somatic nervous system
In what division of the PNS, can motor stimuli be either excitatory or inhibitory? - Answers
autonomic nervous system
In what division of the PNC, can motor stimuli only be excitatory in nature? - Answers somatic
nervous system
What division of the peripheral nervous system contains the sympathetic nervous system and
the parasympathetic nervous system? - Answers autonomic nervous system
What part of the nervous system is responsible for voluntary and reflexive muscle activity and
only provide output to skeletal muscles? - Answers somatic nervous system
At what region does the axon join the soma? - Answers axon hillock
What is responsible for transmitting nerve impulses away from the cell body to other neurons,
muscle fibers, or glands? - Answers axon
Effectors refer to _____________ or __________ - Answers muscle
gland
, The junction between neurons and other neurons or effectors is known as the: - Answers
synapse
What part of the neuron contains the synaptic vesicle and neurotransmitters? - Answers
synaptic end bulb
What are the three major categories of neurotransmitters? - Answers amino acids
biogenic amines
neuropeptides
What neurotransmitter typically produces hyper polarization? - Answers GABA
An example of a neuropeptide neurotransmitter is: - Answers endorphins
What is the key neurotransmitter involved in skeletal muscle contractions? - Answers
acetylcholine
What is responsible for increasing nerve conduction velocity in the axon and helps make signal
transmissions much quicker? - Answers myelin sheath
What is the smallest controllable neural component in terms of regulating force? - Answers the
motor unit
What is one condition in which the sarcolemmal action potential is NOT obligatory? - Answers
fatigue
What are the two main characteristics of 'twitch'? - Answers contraction time
peak force
What are the two neural mechanisms used to increase contraction force? - Answers rate coding
motor unit recruitment
contractile force is proportional to ______________and ___________ - Answers firing frequency
number of active motor units
The mechanical response of muscle to a single stimulus refers to: - Answers twitch
_______is the sustained maximal tension due to high frequency stimulation, in that increase in
firing frequency can NOT produce an increase in force for a particular motor unit. - Answers
tetanus
Muscle fiber type affects: - Answers muscle force
rate of force production
