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Biology 225 > Chapter 8 Questions > Flashcards

Chapter 8 Questions Flashcards

1
Q

What 3 groups are joints

A

Fribrous cartilaginous synovial

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2
Q

What are immovable joints called

A

Synarthrotic

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3
Q

What are slightly moveable joints

A

Aphiarothrotic

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4
Q

Freely moveable joints?

A

Diarthrotic

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5
Q

What are the 6 synovial joints

A

Ball and socket (spheroidal). Condylar( ellipsoidal). Plane( gliding). Hinge. Pivot (trochoid). Saddle.

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6
Q

What joint is when the ball shaped head of one bone articulates with cup shaped socket of another. Found in the shoulder and hip

A

Ball and socket

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7
Q

What joint permits multiaxial movement

A

Ball and socket

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8
Q

What joint has an oval shaped head of one bones that articulates with the elliptical cavity of another

A

Consular or ellipsoidal

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9
Q

What synovial joint allows back and forth movement but no rotation? Found in metacarpals and phalanges

A

Condylar or ellipsoidal

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10
Q

What joints have articulating surfaces that are nearly flat or slightly curved in the wrist and ankle, articular process of vertebrae. Ribs 2-7.

A

Plane or gliding

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11
Q

What synovial joint allows sliding, back and forth and twisting

A

Plane or gliding

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12
Q

What synovial joint has a convex surface that allows one bone to articulate with concave surface of another

A

Hinge

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13
Q

What movement does a hinge joint allow? Where are they?

A

Flexion and extension. Elbows and phalanges

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14
Q

What synovial joint has a cylindrical surface of one bone hat articulates with ring of bone and ligament

A

Pivot or trochoid.

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15
Q

What joint allows rotations

A

Pivot or trochoid. Radius and ulna. Head and neck.

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16
Q

What synovial joint has articulating surfaces that both concave and convex regions; surface of one bone fits complementary surface of another

A

Saddle

17
Q

Turning palm upward

A

Supination

18
Q

Decreasing angle between parts

A

Flexion

19
Q

Moving part forward

A

Protraction

20
Q

Moving part around an axis

A

Rotation

21
Q

Moving part toward midline

A

Adduction

22
Q

Turning the foot so the plantar surface faces laterally and

A

eversion

23
Q

Increasing angle between parts

A

Extension

24
Q

Lowering part

A

Depression

25
Q

Turning palm downward

A

Pronation

26
Q

Moving part away from midline

A

Abduction

27
Q

Movements that occur between the humerus and ulna are hinge. - flexion and extension. The head of the radius of free to rotate in the annular ligament. This provides movement of pronation and supination

A

Describe the movements in the elbow joint

28
Q

Describe how the articulate surfaces of the hip joint are held together

A

Ligamentum Capitis attaches to Fovea Capitis on the head of the femur and to connective tissue in the acetabulum; which carries blood vessels to head of the femur. The acetabular labrum (ring of fibrocartilage) at the rim of the acetabulum deepens the cavity of the acetabulum. It encloses the head of the femur and holds it securely in place. A cylindrical joint capsule reinforced with ligaments surrounds the articulating structures and connects the neck of the femur to the margin of the acetabulum.

29
Q

Explain why there is less movement in the hip joint that in the shoulder joint

A

Muscles surround the joint capsule of the hip. The articulating parts of the hip are held closely together more so than the shoulder joint which allows less freedom of movement.

30
Q

Explain the function of the meniscus of the knee

A

2 fibrocartilaginous menisci separate the articulating surfaces of the femur and tibia and help align them.

31
Q

What has a C shape with a thick rim and thin center; attaches to the head of tibia

A

Menisci

32
Q

What form depressions that fit the corresponding consumes of the femur

A

Medial and lateral menisci

Biology 225 (24 decks)

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