CS 2 Quiz 3.3

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1/16 Questions

Questions 54 through 57 refer to the figure below of an axial CT of the right shoulder.Which arrow points to the axillary artery?
- A
- C
- B
- D

About This Quiz

CS 2 Quiz 3.3 assesses knowledge of shoulder anatomy using MRI and CT imaging techniques. It focuses on identifying structures like the coracoid process, coracohumeral ligament, and axillary artery, enhancing understanding of musculoskeletal imaging.

2.

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.Which arrow points to the infraspinatus muscle?
- B
- A
- C
- D
Correct Answer

A. D

Explanation

The correct answer is D because it points to the infraspinatus muscle. In the axial T1-weighted MRI image, the infraspinatus muscle is located posteriorly and laterally in the shoulder joint. Arrow D correctly points to this location.

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3.

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.Which arrow points to the coracoid process?
- A
- C
- B
- D
Correct Answer

A. C

Explanation

The arrow pointing to C indicates the coracoid process. The coracoid process is a bony projection located on the scapula, or shoulder blade. It is easily identifiable on an MRI as a distinct structure in the shoulder region. The other arrows point to different structures or areas of the shoulder that are not the coracoid process.

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4.

Questions 22 through 25 refer to the figure below.Which arrow points to the deltoid muscle?
- B
- C
- D
- A
Correct Answer

A. C

Explanation

The arrow pointing to the deltoid muscle is C. The deltoid muscle is located on the shoulder and is responsible for the abduction and flexion of the arm.

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5.

Questions 34 through 37 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.Which arrow points to the coracoid process?
- B
- D
- A
- C
Correct Answer

A. B

Explanation

The arrow pointing to B indicates the coracoid process. The coracoid process is a small hook-like structure that projects forward from the scapula. In the given MRI image, B is the arrow that is closest to this structure, correctly identifying it as the coracoid process.

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6.

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.Which arrow points to the subscapularis tendon?
- C
- D
- B
- A
Correct Answer

A. B

Explanation

The correct answer is B because the subscapularis tendon is located on the anterior aspect of the shoulder joint, attaching to the lesser tubercle of the humerus. In the given MRI image, arrow B points to the area where the subscapularis tendon is expected to be located.

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7.

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.Which arrow points to the coracobrachialis muscle?
- B
- A
- D
- C
Correct Answer

A. D

Explanation

The coracobrachialis muscle is located in the upper arm, near the shoulder. In the given figure, arrow D points to a muscle that is positioned in the upper arm region, which is where the coracobrachialis muscle is located. Therefore, arrow D points to the coracobrachialis muscle.

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8.

Muscles located in the anterior compartment of the arm include all of the followingexcept:
- Coracobrachialis muscle
- Triceps brachii muscle
- Brachialis muscle
- Biceps brachii muscle
Correct Answer

A. Triceps brachii muscle

Explanation

The triceps brachii muscle is not located in the anterior compartment of the arm. It is actually located in the posterior compartment of the arm. The anterior compartment of the arm includes muscles such as the coracobrachialis muscle, brachialis muscle, and biceps brachii muscle.

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9.

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 coracohumeral ligament?
- C
- A
- B
- D
Correct Answer

A. C

Explanation

The coracohumeral ligament is a ligament that connects the coracoid process of the scapula to the greater tubercle of the humerus. In the given figure, arrow C points to a structure that appears to be connecting the coracoid process to the greater tubercle of the humerus, which is consistent with the location of the coracohumeral ligament. Therefore, arrow C is pointing to the coracohumeral ligament.

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10.

What structure forms a bridge over the intertubercular groove for protection of the long head of the biceps tendon?
- Inferior glenohumeral ligament
- Transverse humeral ligament
- Inferior glenoid labrum
- Axillary pouch
Correct Answer

A. Transverse humeral ligament

Explanation

The transverse humeral ligament forms a bridge over the intertubercular groove, providing protection for the long head of the biceps tendon. This ligament helps to keep the tendon in place and prevents it from dislocating or becoming impinged during shoulder movement.

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11.

Questions 50 through 53 refer to the figure below of an axial, T2-weighted MRI of the elbow.Which arrow points to the brachioradialis muscle?
- A
- C
- B
- D
Correct Answer

A. A

Explanation

The arrow A points to the brachioradialis muscle. This can be determined by analyzing the anatomical structures in the image and identifying the muscle that corresponds to the location indicated by arrow A.

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12.

Where does the short head of the biceps brachii muscle originate?
- Acromion process
- Greater tubercle of the humerus
- Coracoid process
- Scapular spine
Correct Answer

A. Coracoid process

Explanation

The short head of the biceps brachii muscle originates from the coracoid process. The coracoid process is a bony projection located on the scapula (shoulder blade). It is situated at the front of the scapula, near the shoulder joint. The short head of the biceps brachii muscle is one of the two heads of the biceps brachii muscle, the other being the long head. The short head originates from the coracoid process, while the long head originates from the supraglenoid tubercle of the scapula.

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Current Version
Mar 21, 2023

Quiz Edited by
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Aug 24, 2016

Quiz Created by
Breanna

Cs 2 Quiz 3.3

Questions 54 through 57 refer to the figure below of an axial CT of the right shoulder.Which arrow points to the axillary artery?

Quiz Preview

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.Which arrow points to the infraspinatus muscle?

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.Which arrow points to the coracoid process?

Questions 22 through 25 refer to the figure below.Which arrow points to the deltoid muscle?

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

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.Which arrow points to the subscapularis tendon?

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.Which arrow points to the coracobrachialis muscle?

Muscles located in the anterior compartment of the arm include all of the followingexcept:

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 coracohumeral ligament?

What structure forms a bridge over the intertubercular groove for protection of the long head of the biceps tendon?

Questions 50 through 53 refer to the figure below of an axial, T2-weighted MRI of the elbow.Which arrow points to the brachioradialis muscle?

Where does the short head of the biceps brachii muscle originate?