The prime mover of arm abduction is the ________ muscle.
A) trapezius
B) deltoid
C) triceps brachii
D) biceps brachii
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Question 2) The intervertebral discs that cushion the spine and absorb shock are composed of fibrocartilage.
Indicate whether the statement is true or false
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Question 3) Which facial muscle is considered the smiling muscle since it raises the corners of the mouth?
A) orbicularis oris
B) frontalis
C) orbicularis oculi
D) zygomaticus
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Question 4) The spinal cord passes through the body of each vertebra.
Indicate whether the statement is true or false
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Question 5) The arrangement of fascicles in orbicularis oris is ________.
A) circular
B) convergent
C) pennate
D) fusiform
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Question 6) Teeth are anchored in the maxillary bones and the mandible.
Indicate whether the statement is true or false
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Question 7) Muscles that perform opposite actions to one another are termed ________.
A) synergists
B) prime movers
C) antagonists
D) fixators
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Question 8) The last two pairs of ribs are called true ribs because they have no attachments to the sternum.
Indicate whether the statement is true or false
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Question 9) The point of muscle attachment to an immovable or less movable bone is known as the ________.
A) innervation
B) action
C) insertion
D) origin
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Question 10) Broken bones do not bleed since bone tissue is avascular.
Indicate whether the statement is true or false
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