Quiz_________________?
Acetylcholine (ACh) -
Answer✅
A neurotransmitter that helps the action potential cross the synapse into the muscle, which
initiates the steps in a muscle contraction.
Quiz_________________?
Actin -
Answer✅
The thin, stringlike, myofilament that acts along with myosin to produce muscular
contraction.
Quiz_________________?
Action Potential -
Answer✅
Nerve impulse that is relayed from the central nervous system, through the peripheral
nervous system, and into the muscle across the neuromuscular junction.
1
, Quiz_________________?
Adenosine Triphosphate (ATP) -
Answer✅
A high-energy molecule that serves as the main form of energy in the human body; known
as the energy currency of the body.
Quiz_________________?
Afferent Pathway -
Answer✅
Sensory pathway that relays information to the central nervous system.
Quiz_________________?
All Or Nothing Principle -
Answer✅
Motor units cannot vary the amount of force they generate; they either contract maximally
or not at all.
Quiz_________________?
Appendicular Skeleton -
Answer✅
A division of the skeletal system consisting of the arms, legs, and pelvic girdle.
Quiz_________________?
Arthrokinematics -
2
, Answer✅
The description of joint surface movement; consists of three major types: roll, slide, and
spin.
Quiz_________________?
Autonomic Nervous System -
Answer✅
A division of the peripheral nervous system that supplies neural input to organs that run the
involuntary processes of the body (e.g., circulating blood, digesting food, producing
hormones).
Quiz_________________?
Axial Skeleton -
Answer✅
A division of the skeletal system consisting of the skull, the rib cage, and the vertebral
column.
Quiz_________________?
Capillaries -
Answer✅
The smallest blood vessels and the site of exchange of elements between the blood and the
tissues.
Quiz_________________?
Central Nervous System (CNS) -
Answer✅
3