The insertion end of the biceps brachii muscle of the anterior upper arm is
A) at the proximal end of the muscle.
B) at the distal end of the muscle.
C) on the dorsal side of the muscle.
D) on the lateral side of the muscle.
E) the thumb.
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Question 2) A muscle that assists the muscle that is primarily responsible for a given action is a(n)
A) agonist.
B) antagonist.
C) synergist.
D) originator.
E) levator.
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Question 3) Muscles that insert on the olecranon process of the ulna can act to
A) flex the forearm.
B) extend the forearm.
C) abduct the forearm.
D) adduct the forearm.
E) extend the carpals.
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Question 4) Which of these phrases most aptly describes muscle insertion?
A) broad tendon sheet
B) connective tissue that surrounds a single muscle fiber
C) tendon attachment that doesn't move
D) tendon attachment that moves
E) connective tissue that surrounds an entire muscle
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Question 5) A(n) ________ is a muscle whose contraction is chiefly responsible for producing a particular movement.
A) prime mover
B) motor-unit
C) antagonist
D) opposition
E) synergist
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Question 6) When the fulcrum is located between the load and the force, it is called a ________ lever.
A) first-class
B) second-class
C) third-class
D) fourth-class
E) compound
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Question 7) The fulcrum of a lever system is the
A) joint.
B) muscle.
C) bone.
D) resistance.
E) load.
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Question 8) Contracting the gastrocnemius muscles to elevate the body on the toes involves a ________ lever.
A) first-class
B) second-class
C) third-class
D) fourth-class
E) fifth-class
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Question 9) The most common lever systems in the body are those that have the applied force between the fulcrum and the load. These are called ________ levers.
A) first-class
B) second-class
C) third-class
D) fourth-class
E) fifth-class
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Question 10) A lever consists of
A) a tendon and a muscle.
B) a rigid structure.
C) a fulcrum.
D) a bone, a muscle, and a nerve.
E) a rigid structure and a fulcrum.