CS 2 Quiz 5.1

2.

Questions 69 through 72 refer to the figure below of a coronal, T1-weighted MRI of the right knee.Which arrow is pointing to the posterior cruciate ligament?

B
C
A
D

Correct Answer

A. A

Explanation

The arrow pointing to the posterior cruciate ligament is A.

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3.

The quadriceps femoris muscle group is in the posterior compartment of the thigh.

True
False

Correct Answer

A. False

Explanation

The quadriceps femoris muscle group is actually located in the anterior compartment of the thigh, not the posterior compartment. This muscle group consists of four muscles - rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius - and is responsible for extending the knee joint.

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4.

The carpal articular surface of the distal radius articulates with which carpal bones?

Triquetral and scaphoid
Lunate and triquetral
Scaphoid and lunate
Triquetral and pisiform

Correct Answer

A. Scaphoid and lunate

Explanation

The carpal articular surface of the distal radius articulates with the scaphoid and lunate bones. This means that these two carpal bones come into contact with the distal radius bone at the wrist joint. The other options, such as triquetral and scaphoid or lunate and triquetral, are incorrect as they do not accurately describe the articulation between the carpal articular surface of the distal radius and the carpal bones.

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5.

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 rectus femoris muscle?

B
C
A
D

Correct Answer

A. A

Explanation

The correct answer is A. Based on the given information, the arrow pointing to the rectus femoris muscle is A.

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6.

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 ligamentum teres?

C
B
A
D

Correct Answer

A. D

7.

Which muscle originates on the anterior superior iliac spine and extends to the greater trochanter of the femur?

Iliacus
Tensor fasciae latae
Iliopsoas
Sartorius

Correct Answer

A. Tensor fasciae latae

Explanation

The correct answer is Tensor fasciae latae. The Tensor fasciae latae muscle originates on the anterior superior iliac spine and extends to the greater trochanter of the femur.

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8.

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 vastus intermedius muscle?

A
B
D
C

Correct Answer

A. C

Explanation

The correct answer is C because the vastus intermedius muscle is located in the anterior compartment of the thigh and is the deepest of the quadriceps muscles. In the given figure, arrow C is pointing to the deepest muscle in the anterior compartment, which corresponds to the location of the vastus intermedius muscle.

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9.

Questions 41 through 44 refer to the figure below of an axial, T1-weighted MRI of the right distal femur.Which arrow is pointing to the popliteal vein?

B
A
D
C

Correct Answer

A. B

Explanation

The correct answer is B. In the given figure, the arrow labeled B is pointing to the popliteal vein. The popliteal vein is located behind the knee joint and is responsible for draining blood from the lower leg and thigh.

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10.

Questions 41 through 44 refer to the figure below of an axial, T1-weighted MRI of the right distal femur.Which arrow is pointing to the vastus intermedius muscle?

C
D
A
B

Correct Answer

A. A

Explanation

The arrow pointing to A is indicating the vastus intermedius muscle.

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11.

Questions 45 through 48 refer to the figure below of an axial, T1-weighted MRI of the distal right femur.Which arrow is pointing to the IT band?

B
A
C
D

Correct Answer

A. A

Explanation

The correct answer is A because the IT band, also known as the iliotibial band, is a thick band of fibrous tissue that runs along the outside of the thigh. In the given figure, arrow A is pointing to a structure that is located along the outside of the thigh, which is consistent with the location of the IT band.

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12.

Questions 30 through 33 refer to the figure below of a coronal oblique, T1-weighted MRI of the right shoulder.Which arrow points to the coracoclavicular ligament?

B
C
D
A

Correct Answer

A. B

Explanation

The arrow pointing to B indicates the coracoclavicular ligament.

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13.

The superior and inferior gemelli muscles contribute to the formation of the:

Obturator externus muscle.
Obturator internus muscle.
Gluteus maximus muscle.
Adductors.

Correct Answer

A. Obturator internus muscle.

Explanation

The superior and inferior gemelli muscles are two small muscles located in the deep hip region. They are closely associated with the obturator internus muscle, which is a larger muscle that lies deep in the buttocks. Together, these muscles help to stabilize the hip joint and assist in rotating the thigh outward. The obturator externus muscle, on the other hand, is a separate muscle that lies on the outer surface of the hip and helps to rotate the thigh outward. The gluteus maximus muscle is a large muscle in the buttocks that is responsible for extending the hip joint. The adductors are a group of muscles located on the inner side of the thigh that help to bring the thigh toward the midline of the body. Therefore, the correct answer is the obturator internus muscle, as the superior and inferior gemelli muscles contribute to its formation.

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14.

Which of the following is true about the knee?

Fibrocartilaginous pads called menisci are interposed between the femur and the tibia
The knee is a ball-and-socket joint that permits a wide range of motion
The bony components of the knee are the femur and the patella
The knee is the strongest and most stable joint of the body

Correct Answer

A. Fibrocartilaginous pads called menisci are interposed between the femur and the tibia

Explanation

The knee joint consists of fibrocartilaginous pads called menisci that are located between the femur and the tibia. These menisci act as shock absorbers and help to distribute the forces across the knee joint during movement. They also provide stability to the joint and help to prevent excessive wear and tear on the articular surfaces of the bones.

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Cs 2 Quiz 5.1

Questions 45 through 48 refer to the figure below of an axial, T1-weighted MRI of the distal right femur.Which arrow is pointing to the semimembranosus tendon?

Quiz Preview

Questions 69 through 72 refer to the figure below of a coronal, T1-weighted MRI of the right knee.Which arrow is pointing to the posterior cruciate ligament?

The quadriceps femoris muscle group is in the posterior compartment of the thigh.

The carpal articular surface of the distal radius articulates with which carpal bones?

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 rectus femoris muscle?

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 ligamentum teres?

Which muscle originates on the anterior superior iliac spine and extends to the greater trochanter of the femur?

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 vastus intermedius muscle?

Questions 41 through 44 refer to the figure below of an axial, T1-weighted MRI of the right distal femur.Which arrow is pointing to the popliteal vein?

Questions 41 through 44 refer to the figure below of an axial, T1-weighted MRI of the right distal femur.Which arrow is pointing to the vastus intermedius muscle?

Questions 45 through 48 refer to the figure below of an axial, T1-weighted MRI of the distal right femur.Which arrow is pointing to the IT band?

Questions 30 through 33 refer to the figure below of a coronal oblique, T1-weighted MRI of the right shoulder.Which arrow points to the coracoclavicular ligament?

The superior and inferior gemelli muscles contribute to the formation of the:

Which of the following is true about the knee?