Muscular System 2 Question Preview (ID: 25465)
Muscular System 2.
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Muscle that opposes and reverses the action of another muscle.
a) Fixator
b) Synergist
c) Agonist
d) Antagonist
Muscle that stabilizes the origin of another muscle.
a) Agonist
b) Fixator
c) Antagonist
d) Synergist
Muscle that is primarily responsible for bringing about a particular movement.
a) Antagonist
b) Agonist
c) Fixator
d) Synergist
What is the major factor controlling how levers work?
a) The direction the load is being moved
b) the structural characteristics of the muscles of the person using the lever
c) the weight of the load
d) the difference in the positioning of the effort, load, and fulcrum
Which of the following describes fascicle arrangement in a pennate muscle?
a) The fascicles form a triangle
b) The fascicle pattern is circular
c) The fascicles are short and attach obliquely to a central tendon that runs the length of a muscle.
d) The fascicles are in a fusiform arrangement.
The names of muscles often indicate the action of the muscle. What does the term levator mean?
a) The muscle elevates and/or adducts a region.
b) The muscle functions as a synergist
c) The muscle flexes and rotates a region
d) The muscle is a fixator and stabilizes a bone or joint.
What are the muscles that are found at openings of the body collectively called?
a) parallel muscles
b) convergent muscles
c) divergent muscles
d) circular muscles
Which of these is not a way of classifying muscles?
a) the type of muscle fibers
b) the type of action they cause
c) the muscles shape
d) the muscles location
Only __________ muscles cells are only multinucleated
a) cardiac
b) smooth
c) skeletal
d) none of these
The end of the muscle that typically moves when a muscle contracts is called the ________.
a) insertion
b) origin
c) tuberosity
d) fascicle
The time in which cross bridges are active is called the period of ________.
a) latent
b) refractory
c) relaxation
d) contraction
Which of the choices below is the major muscle for breathing?
a) rectus abdominis
b) latissimus dorsi
c) diaphragm
d) temporalis
Which type of muscle is voluntary?
a) Skeletal
b) Cardiac
c) Smooth
d) All of them
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