WEEK 1
A cascade of events, resulting in muscle contraction, is triggered when which of the
following chemical neurotransmitters binds to receptors on the muscle? - Ans -
Acetylecholine
Acetylcholine - Ans - A neurotransmitter that enables learning and memory and also
triggers muscle contraction
action potential - Ans - a neural impulse; a brief electrical charge that travels down an
axon
Athletes that aren't endurance athletes need interval training paired with maximal
training for strength and size. - Ans - True
Athleticism - Ans - Competent use of capabilities such as strength, as agility, and
stamina
Axon - Ans - the extension of a neuron, ending in branching terminal fibers, through
which messages pass to other neurons or to muscles or glands
cell body (soma) - Ans - contains the nucleus and other parts of the cell needed to
sustain its life
central nervous system - Ans - brain and spinal cord
chronic pain - Ans - episode of pain that lasts for 6 months or longer; may be
intermittent or continuous
Dendrites - Ans - receive information from other neurons
Endurance athletes need more submaximal lifting for power and endurance. - Ans -
True
Functions of the nervous system - Ans - Coordinates movement
Sensory output
Initiates and maintains life sustaining functions
Learns and forms memories
Controls arousal
Glia - Ans - cells found throughout the nervous system that provide various types of
support for neurons has no action potential