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Exam 8: Joints

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Question 31

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Saddle joints have concave and convex surfaces.Identify a saddle joint of the skeleton.

A) carpometacarpal joint of the phalanges
B) carpometacarpal joint of the thumb
C) metacarpophalangeal joint of the finger
D) interphalangeal joint of the finger

E) All of the above
F) A) and D)

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Question 32

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The articular surfaces of synovial joints play a minimal role in joint stability.

A) True
B) False

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Question 33

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Tendon sheaths ________.

A joint united by fibrocartilage tissue that usually permits a slight degree of movement is a ________.

Connective tissue sacs lined with synovial membrane that act as cushions in places where friction develops are called ________.

Bending your head back until it hurts is an example of ________.

After reading a medical report,you learn that a 45-year-old female has the following symptoms: inflammation of synovial membranes,accumulation of synovial fluid,pain and tenderness about the joints,pannus formation,and some immobility at certain joints.On the basis of these symptoms,what would the patient probably have?

The only movement allowed between the first two cervical vertebrae is flexion.

Moving a limb so that it describes a cone in space is called circumduction.

Steven,a football player,complained of severe pain and the inability to use his right arm and shoulder after having been tackled during a game.What would you guess might be his problem?

An individual with a "double-jointed" thumb can pull it back towards the wrist much farther than normal.What does it mean to be "double-jointed?"

In the classification of joints,which of the following is true?

All of the following are factors that influence synovial joint stability EXCEPT?

The terms inversion and eversion pertain only to the ________.

Which of the following movements does NOT increase or decrease the angle between bones?

Which of the following is a true statement?

For each of the following movements,indicate the specific kind of joint involved (e.g.,hinge,etc.)and the movement performed (e.g.,extension,etc.). a.Bending the elbow: ________,________. b.Turning head side to side: ________,________. c.Lowering your arm to your side in the frontal plane: ________,________. d.Turning the sole of foot medially: ________,________.

Mary has been suffering from a "bad knee" for several months.She is a tennis player who often slides in to attack a ball; she is an aerobic devotee and a jogger.She visited an orthopedic surgeon last week who told her that he would "like to have a look at her knee joint." He also told her that her symptoms indicated damage to the meniscus,and it might have to be removed.What will the doctor do to see the joint,and if the meniscus is removed will Mary be able to play tennis again?

Why is muscle tone the most important stabilizing factor for most joints?

Fibrous joints are classified as ________.