Cs 2 Quiz 5.4

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| By Breanna
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Quizzes Created: 26 | Total Attempts: 7,959
Questions: 15 | Attempts: 160

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Cs 2 Quiz 5.4 - Quiz

Questions and Answers
  • 1. 

    Questions 21 through 24 refer to the figure below of an axial CT of the knee.Which arrow points to the gastrocnemius muscle (medial head)?

    • A.

      B

    • B.

      C

    • C.

      D

    • D.

      A

    Correct Answer
    C. D
    Explanation
    In the given figure, the arrow labeled "D" points to the gastrocnemius muscle (medial head).

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  • 2. 

    The infraspinatus tendon inserts on the:

    • A.

      Bicipital groove.

    • B.

      Coracoid process.

    • C.

      Labrum.

    • D.

      Greater tubercle.

    Correct Answer
    D. Greater tubercle.
    Explanation
    The infraspinatus tendon inserts on the greater tubercle. The greater tubercle is a bony prominence on the humerus bone of the shoulder. The infraspinatus muscle, which is responsible for external rotation of the shoulder joint, attaches to this tubercle via its tendon. This insertion point allows the infraspinatus muscle to exert its force and contribute to the movement and stability of the shoulder joint.

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  • 3. 

    As they near their insertion points, the sartorius muscle and the gracilis muscle become adjacent to each other on the medial side of the tibia.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the sartorius muscle and the gracilis muscle do become adjacent to each other on the medial side of the tibia as they near their insertion points. This anatomical arrangement is important for their coordinated function in flexing and rotating the thigh.

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  • 4. 

    Questions 49 through 52 refer to the figure below of a sagittal, T1-weighted MRI of the knee.Which arrow is pointing to the popliteus muscle?

    • A.

      A

    • B.

      B

    • C.

      D

    • D.

      C

    Correct Answer
    C. D
    Explanation
    In the given figure, arrow D is pointing to the popliteus muscle.

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  • 5. 

    Questions 33 through 36 refer to the figure below of a sagittal, T1-weighted MRI of the hip.Which arrow is pointing to the obturator internus muscle?

    • A.

      C

    • B.

      A

    • C.

      B

    • D.

      D

    Correct Answer
    C. B
    Explanation
    The arrow pointing to the obturator internus muscle is labeled B.

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  • 6. 

    Questions 34 through 37 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.Which arrow points to the supraspinatus muscle?

    • A.

      B

    • B.

      D

    • C.

      C

    • D.

      A

    Correct Answer
    C. C
  • 7. 

    Questions 26 through 29 refer to the figure below of an axial, T1-weighted MRI of the right hip.Which arrow is pointing to the ischiofemoral ligament?

    • A.

      D

    • B.

      C

    • C.

      B

    • D.

      A

    Correct Answer
    B. C
  • 8. 

    Questions 62 through 65 refer to the figure below of an axial, T1-weighted MRI of the wrist.Which arrow points to the extensor carpi radialis longus tendon?

    • A.

      A

    • B.

      D

    • C.

      C

    • D.

      B

    Correct Answer
    D. B
    Explanation
    The correct answer is B. In the figure, arrow B points to the extensor carpi radialis longus tendon. This can be identified by its location and trajectory, as it runs along the radial side of the wrist towards the base of the second metacarpal bone.

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  • 9. 

    The incomplete margin of the acetabulum is reinforced by the:

    • A.

      Cotyloid ligament.

    • B.

      Iliofemoral ligament.

    • C.

      Acetabular labrum.

    • D.

      Transverse ligament.

    Correct Answer
    D. Transverse ligament.
    Explanation
    The transverse ligament reinforces the incomplete margin of the acetabulum. This ligament is located within the acetabular fossa and helps to maintain stability in the hip joint by holding the femoral head securely in the acetabulum. It forms a bridge between the two sides of the acetabular notch, completing the ring of the acetabulum and providing additional support to the joint. The cotyloid ligament, iliofemoral ligament, and acetabular labrum also contribute to the stability of the hip joint, but they do not specifically reinforce the incomplete margin of the acetabulum.

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  • 10. 

    Which ligament strengthens the inferolateral portion of the posterior joint capsule ofthe knee?

    • A.

      Arcuate popliteal

    • B.

      Posterior cruciate

    • C.

      Oblique popliteal

    • D.

      Posterior meniscofemoral

    Correct Answer
    A. Arcuate popliteal
    Explanation
    The arcuate popliteal ligament strengthens the inferolateral portion of the posterior joint capsule of the knee. It is located on the lateral aspect of the knee joint and helps to stabilize the joint by preventing excessive posterior displacement of the tibia on the femur. The posterior cruciate ligament is located in the center of the knee joint and prevents excessive anterior displacement of the tibia on the femur. The oblique popliteal ligament is a thickening of the joint capsule that reinforces the posterior aspect of the knee joint. The posterior meniscofemoral ligament is a small ligament that attaches the lateral meniscus to the posterior aspect of the medial femoral condyle.

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  • 11. 

    Questions 33 through 36 refer to the figure below of a sagittal, T1-weighted MRI of the hip.Which arrow is pointing to the quadratus femoris muscle?

    • A.

      C

    • B.

      A

    • C.

      D

    • D.

      B

    Correct Answer
    C. D
    Explanation
    In the given figure, arrow D is pointing to the quadratus femoris muscle.

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  • 12. 

    Questions 37 through 40 refer to the figure below of an axial, T1-weighted MRI of the right proximal femur.Which arrow is pointing to the gluteus maximus muscle?

    • A.

      A

    • B.

      C

    • C.

      D

    • D.

      B

    Correct Answer
    C. D
  • 13. 

    Questions 30 through 32 refer to the figure below of a coronal, T1-weighted MRI of the right hip.Which arrow is pointing to the ligamentum teres?

    • A.

      C

    • B.

      A

    • C.

      D

    • D.

      B

    Correct Answer
    C. D

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