Anatomy test of the axillary cavity

Check the knowledge of axillary cavity anatomy. The test covers the topography, walls, triangles, openings and their neurovascular content.

1/20

1. What forms the anterior wall of the axillary cavity?

Pectoralis major and minor muscles

The anterior wall is formed by the pectoralis major and minor muscles.
Serratus anterior muscle

The anterior wall is formed by the pectoralis major and minor muscles.
Subscapularis and teres major muscles

The anterior wall is formed by the pectoralis major and minor muscles.
Coracobrachialis muscle

The anterior wall is formed by the pectoralis major and minor muscles.
I find it difficult to answer

The anterior wall is formed by the pectoralis major and minor muscles.

2. What forms the medial wall of the axillary cavity?

Latissimus dorsi muscle

The medial wall is formed by the serratus anterior muscle and the lateral surface of the thoracic cage.
Pectoralis major muscle

The medial wall is formed by the serratus anterior muscle and the lateral surface of the thoracic cage.
Serratus anterior muscle

The medial wall is formed by the serratus anterior muscle and the lateral surface of the thoracic cage.
Biceps brachii

The medial wall is formed by the serratus anterior muscle and the lateral surface of the thoracic cage.
I find it difficult to answer

The medial wall is formed by the serratus anterior muscle and the lateral surface of the thoracic cage.

3. Which muscle contributes to the formation of the posterior wall of the axillary cavity?

Coracobrachialis muscle

The posterior wall is formed by the subscapularis, teres major, and the latissimus dorsi muscles.
Pectoralis minor muscle

The posterior wall is formed by the subscapularis, teres major, and the latissimus dorsi muscles.
Serratus anterior muscle

The posterior wall is formed by the subscapularis, teres major, and the latissimus dorsi muscles.
Latissimus dorsi muscle

The posterior wall is formed by the subscapularis, teres major, and the latissimus dorsi muscles.
I find it difficult to answer

The posterior wall is formed by the subscapularis, teres major, and the latissimus dorsi muscles.

4. Which structure limits the axillary cavity laterally?

The thoracic cage and the intercostal muscles

The lateral wall is formed by the medial surface of the humerus, the short head of the biceps, and the coracobrachialis muscle.
Humerus and coracobrachialis muscle

The lateral wall is formed by the medial surface of the humerus, the short head of the biceps, and the coracobrachialis muscle.
Clavicle and subclavius muscle

The lateral wall is formed by the medial surface of the humerus, the short head of the biceps, and the coracobrachialis muscle.
Scapula and subscapularis muscle

The lateral wall is formed by the medial surface of the humerus, the short head of the biceps, and the coracobrachialis muscle.
I find it difficult to answer

The lateral wall is formed by the medial surface of the humerus, the short head of the biceps, and the coracobrachialis muscle.

5. Which triangles are identified on the anterior wall of the axillary cavity?

Carotid, scapulotracheal, submandibular

Three topographic triangles are identified on the anterior wall: clavipectoral, pectoral, and subpectoral.
Clavipectoral, pectoral, subpectoral

Three topographic triangles are identified on the anterior wall: clavipectoral, pectoral, and subpectoral.
Lumbar, femoral, popliteal

Three topographic triangles are identified on the anterior wall: clavipectoral, pectoral, and subpectoral.
Scapuloclavicular, scapulotrapezius

Three topographic triangles are identified on the anterior wall: clavipectoral, pectoral, and subpectoral.
I find it difficult to answer

Three topographic triangles are identified on the anterior wall: clavipectoral, pectoral, and subpectoral.

6. From which triangle of the anterior wall does the axillary artery give off a branch. thoracoacromial?

In the subpectoral triangle

The thoracoacromial artery (a. thoracoacromialis) arises from the axillary artery within the clavipectoral triangle.
In the pectoral triangle

The thoracoacromial artery (a. thoracoacromialis) arises from the axillary artery within the clavipectoral triangle.
In the clavipectoral triangle

The thoracoacromial artery (a. thoracoacromialis) arises from the axillary artery within the clavipectoral triangle.
In the scapular-pectoral triangle

The thoracoacromial artery (a. thoracoacromialis) arises from the axillary artery within the clavipectoral triangle.
I find it difficult to answer

The thoracoacromial artery (a. thoracoacromialis) arises from the axillary artery within the clavipectoral triangle.

7. What limits the superior aspect of the quadrilateral foramen (foramen quadrilaterum)?

By the teres major muscle

The superior aspect of the foramen is limited by the lower edge of the subscapularis muscle (anteriorly) and the teres minor muscle (posteriorly).
The long head of the triceps brachii muscle

The superior aspect of the foramen is limited by the lower edge of the subscapularis muscle (anteriorly) and the teres minor muscle (posteriorly).
By the surgical neck of the humerus

The superior aspect of the foramen is limited by the lower edge of the subscapularis muscle (anteriorly) and the teres minor muscle (posteriorly).
Subscapularis and teres minor muscles

The superior aspect of the foramen is limited by the lower edge of the subscapularis muscle (anteriorly) and the teres minor muscle (posteriorly).
I find it difficult to answer

The superior aspect of the foramen is limited by the lower edge of the subscapularis muscle (anteriorly) and the teres minor muscle (posteriorly).

8. Which structure passes through the quadrilateral foramen?

Radial nerve

Through the foramen quadrilaterum pass the axillary nerve and the posterior circumflex humeral artery. axillary and a. circumflex humeral posterior.
Axillary nerve

Through the foramen quadrilaterum pass the axillary nerve and the posterior circumflex humeral artery. axillary and a. circumflex humeral posterior.
Median nerve

Through the foramen quadrilaterum pass the axillary nerve and the posterior circumflex humeral artery. axillary and a. circumflex humeral posterior.
Ulnar nerve

Through the foramen quadrilaterum pass the axillary nerve and the posterior circumflex humeral artery. axillary and a. circumflex humeral posterior.
I find it difficult to answer

Through the foramen quadrilaterum pass the axillary nerve and the posterior circumflex humeral artery. axillary and a. circumflex humeral posterior.

9. What limits the lateral aspect of the trilateral foramen (foramen trilaterum)?

The surgical neck of the humerus

The lateral boundary of the trilateral foramen is the long head of the triceps brachii muscle.
Short head of the biceps brachii

The lateral boundary of the trilateral foramen is the long head of the triceps brachii muscle.
Coracobrachialis muscle

The lateral boundary of the trilateral foramen is the long head of the triceps brachii muscle.
Long head of the triceps brachii

The lateral boundary of the trilateral foramen is the long head of the triceps brachii muscle.
I find it difficult to answer

The lateral boundary of the trilateral foramen is the long head of the triceps brachii muscle.

10. What passes through the triangular space (foramen trilaterum)?

Circumflex scapular artery

Through the trilateral foramen passes the circumflex scapular artery. circumflex scapulae.
Posterior circumflex humeral artery

Through the trilateral foramen passes the circumflex scapular artery. circumflex scapulae.
Thoracodorsal artery

Through the trilateral foramen passes the circumflex scapular artery. circumflex scapulae.
Subscapular artery

Through the trilateral foramen passes the circumflex scapular artery. circumflex scapulae.
I find it difficult to answer

Through the trilateral foramen passes the circumflex scapular artery. circumflex scapulae.

11. Which vein, piercing the clavipectoral fascia, drains into the axillary vein in the clavipectoral triangle?

Vena basilica

The lateral subcutaneous vein of the arm (v. cephalica) pierces the clavipectoral fascia and drains into the axillary vein.
Vena brachialis

The lateral subcutaneous vein of the arm (v. cephalica) pierces the clavipectoral fascia and drains into the axillary vein.
Vena cephalica

The lateral subcutaneous vein of the arm (v. cephalica) pierces the clavipectoral fascia and drains into the axillary vein.
Vena mediana cubiti

The lateral subcutaneous vein of the arm (v. cephalica) pierces the clavipectoral fascia and drains into the axillary vein.
I find it difficult to answer

The lateral subcutaneous vein of the arm (v. cephalica) pierces the clavipectoral fascia and drains into the axillary vein.

12. The topography of the pectoral triangle (trigonum pectorale) corresponds to the contours of which muscle?

Minor pectoral muscle

The pectoral triangle is strictly projected according to the contours of the minor pectoral muscle.
Major pectoral muscle

The pectoral triangle is strictly projected according to the contours of the minor pectoral muscle.
Subclavius muscle

The pectoral triangle is strictly projected according to the contours of the minor pectoral muscle.
Serratus anterior muscle

The pectoral triangle is strictly projected according to the contours of the minor pectoral muscle.
I find it difficult to answer

The pectoral triangle is strictly projected according to the contours of the minor pectoral muscle.

13. What forms the inferior boundary of the subpectoral triangle (trigonum subpectorale)?

Clavicle

The subpectoral triangle is located between the lower edges of the minor and major pectoral muscles.
Lower edge of the minor pectoral muscle

The subpectoral triangle is located between the lower edges of the minor and major pectoral muscles.
Upper edge of the major pectoral muscle

The subpectoral triangle is located between the lower edges of the minor and major pectoral muscles.
Lower edge of the major pectoral muscle

The subpectoral triangle is located between the lower edges of the minor and major pectoral muscles.
I find it difficult to answer

The subpectoral triangle is located between the lower edges of the minor and major pectoral muscles.

14. Which structure forms the medial wall of the quadrilateral foramen?

Surgical neck of the arm

The medial boundary of the quadrilateral foramen is formed by the long head of the triceps brachii muscle.
Long head of the triceps brachii

The medial boundary of the quadrilateral foramen is formed by the long head of the triceps brachii muscle.
Teres major muscle

The medial boundary of the quadrilateral foramen is formed by the long head of the triceps brachii muscle.
Subscapular muscle

The medial boundary of the quadrilateral foramen is formed by the long head of the triceps brachii muscle.
I find it difficult to answer

The medial boundary of the quadrilateral foramen is formed by the long head of the triceps brachii muscle.

15. Which muscle forms the inferior boundary of both the trilateral and quadrilateral foramina?

Subscapular muscle

The inferior boundary of both openings is formed by the teres major muscle and the tendon of the latissimus dorsi muscle.
Teres minor muscle

The inferior boundary of both openings is formed by the teres major muscle and the tendon of the latissimus dorsi muscle.
Teres major muscle

The inferior boundary of both openings is formed by the teres major muscle and the tendon of the latissimus dorsi muscle.
Infraspinatus muscle

The inferior boundary of both openings is formed by the teres major muscle and the tendon of the latissimus dorsi muscle.
I find it difficult to answer

The inferior boundary of both openings is formed by the teres major muscle and the tendon of the latissimus dorsi muscle.

16. Which large branch arises from the axillary artery in the subpectoral triangle?

Superior thoracic artery

In the subpectoral triangle, the subscapular artery branches from the axillary artery. Subscapularis.
Thoracoacromial artery

In the subpectoral triangle, the subscapular artery branches from the axillary artery. Subscapularis.
Lateral thoracic artery

In the subpectoral triangle, the subscapular artery branches from the axillary artery. Subscapularis.
Subscapular artery

In the subpectoral triangle, the subscapular artery branches from the axillary artery. Subscapularis.
I find it difficult to answer

In the subpectoral triangle, the subscapular artery branches from the axillary artery. Subscapularis.

17. Which fascia forms the floor of the axillary cavity (fossa axillaris)?

Fascia clavipectoralis

The floor of the axillary cavity is closed by the axillary fascia (fascia axillaris).
Fascia axillaris

The floor of the axillary cavity is closed by the axillary fascia (fascia axillaris).
Fascia pectoralis

The floor of the axillary cavity is closed by the axillary fascia (fascia axillaris).
Fascia endothoracica

The floor of the axillary cavity is closed by the axillary fascia (fascia axillaris).
I find it difficult to answer

The floor of the axillary cavity is closed by the axillary fascia (fascia axillaris).

18. In which triangle does the axillary artery give off the lateral thoracic artery (a. thoracica lateralis)?

In the pectoral

The lateral thoracic artery branches from the main trunk within the pectoral triangle.
In the clavipectoral

The lateral thoracic artery branches from the main trunk within the pectoral triangle.
In the subpectoral

The lateral thoracic artery branches from the main trunk within the pectoral triangle.
In the deltopectoral

The lateral thoracic artery branches from the main trunk within the pectoral triangle.
I find it difficult to answer

The lateral thoracic artery branches from the main trunk within the pectoral triangle.

19. With which space does the axillary cavity communicate through the quadrilateral foramen?

With the cranial cavity

Through the quadrilateral foramen, the axillary cavity communicates with the subdeltoid cellular space.
With the posterior scapular space

Through the quadrilateral foramen, the axillary cavity communicates with the subdeltoid cellular space.
With the subdeltoid space

Through the quadrilateral foramen, the axillary cavity communicates with the subdeltoid cellular space.
With the anterior mediastinum

Through the quadrilateral foramen, the axillary cavity communicates with the subdeltoid cellular space.
I find it difficult to answer

Through the quadrilateral foramen, the axillary cavity communicates with the subdeltoid cellular space.

20. How is the axillary vein positioned in relation to the axillary artery in the cavity?

Laterally and posteriorly

Within the neurovascular bundle, the axillary vein lies medially and slightly anterior to the artery.
Surrounds the artery on all sides

Within the neurovascular bundle, the axillary vein lies medially and slightly anterior to the artery.
Strictly posterior

Within the neurovascular bundle, the axillary vein lies medially and slightly anterior to the artery.
Medially and anteriorly

Within the neurovascular bundle, the axillary vein lies medially and slightly anterior to the artery.
I find it difficult to answer

Within the neurovascular bundle, the axillary vein lies medially and slightly anterior to the artery.