Name the structure highlighted in this anterior view of the knee joint. -
ANSWER Fibular collateral ligament
Organize the following parts of a muscle from smallest to largest: muscle fiber, fascicle,
myofibril, filament, muscle. - ANSWER Filament, myofibril, muscle fiber, fascicle,
muscle
The outermost layer of connective tissue surrounding a skeletal muscle is the -
ANSWER epimysium
Which of the following is found inferior to the maxilla and has a posterior articulation with
the temporal bone? - ANSWER mandibular bone
Which of the following best describes the causes of common forms of arthritis? -
ANSWER Rheumatoid arthritis is an autoimmune disease and osteoarthritis is
caused by effects of aging.
Classifying joints as synarthrotic, amphiarthrotic, or diarthrotic represents -
ANSWER the degree of movement possible at the joint.
Which of the following does not describe the function(s) of the skeletal system? -
ANSWER It generates the movements of the limbs.
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, Choose the correct statement about muscle contraction. - ANSWER Actin filaments
slide along myosin filaments.
The zygomatic bone is an example of a(n) - ANSWER irregular bone.
What is an organ that is protected by bones of the axial skeleton? - ANSWER the
heart
Which of the following is not a step in endochondral bone formation? -
ANSWER Hyaline cartilage changes to adipose tissue.
Greg trips over a toy and experiences a sharp pain. His physician diagnoses a torn meniscus.
Greg has injured his - ANSWER knee joint
Many muscles are named for their location (origin and insertion) in the body, particularly in
relation to bones. In what body region would you expect the frontalis muscle to originate? -
ANSWER the cranium
Muscle fibers generally only have one motor end plate, but motor neurons innervate many
different muscle fibers in a group. Choose the statement that correctly explains how this
affects muscle contraction. - ANSWER A signal traveling through one motor neuron
can potentially make multiple fibers in a group contract, generating more force.
The smallest stimulus strength that triggers a contraction in a muscle fiber is called a
__________ stimulus. - ANSWER threshold
What vitamin is necessary for proper absorption of calcium in the small intestines? -
ANSWER vitamin D
A synovial membrane - ANSWER secretes synovial fluid.
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