Multiple Choice Questions – Anatomy of Axilla

Dissection of Axilla

Source

The cervico axillary canal is a passage for:

Axillary artery

Axillary vein

Brachial plexus

All of the above

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Answer: All of the above

What are the structures that make up the anterior wall of the axilla?

Pectoralis major, clavipectoral fascia and pectoralis minor

Subscapularis, teres major and latissimus dorsi

Pectoralis major, clavipectoral fascia and latissimus dorsi

Subscapularis, teres major and pectoralis minor

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Answer: Pectoralis major, clavipectoral fascia and pectoralis minor

What are the structures that make up the posterior wall of the axilla?

Pectoralis major, clavipectoral fascia and pectoralis minor

Subscapularis, teres major and latissimus dorsi

Pectoralis major, clavipectoral fascia and latissimus dorsi

Subscapularis, teres major and pectoralis minor

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Answer: Subscapularis, teres major and latissimus dorsi

What are the structures that make up the medial wall of the axilla?

First four ribs, intercostal muscles and upper part of serratus anterior

Upper part of shaft of humerus, coracobrachialis and short head of biceps brachii

First four ribs, intercostal muscles and short head of biceps brachii

Upper part of shaft of humerus, coracobrachialis and upper part of serratus anterior

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Answer: First four ribs, intercostal muscles and upper part of serratus anterior

What are the structures that make up the lateral wall of the axilla?

First four ribs, intercostal muscles and upper part of serratus anterior

Upper part of shaft of humerus, coracobrachialis and short head of biceps brachii

First four ribs, intercostal muscles and short head of biceps brachii

Upper part of shaft of humerus, coracobrachialis and upper part of serratus anterior

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Answer: Upper part of shaft of humerus, coracobrachialis and short head of biceps brachii

The anterior group of axillary lymph nodes lies along the:

Lower border of the pectoralis minor

Lower margin of the posterior wall

Posteromedial to the axillary vein

In the fat of axilla

Behind and above the pectoralis minor, medial to the axillary vein

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Answer: Lower border of the pectoralis minor

The posterior group of axillary lymph nodes lies along the:

Lower border of the pectoralis minor

Lower margin of the posterior wall

Posteromedial to the axillary vein

In the fat of axilla

Behind and above the pectoralis minor, medial to the axillary vein

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Answer: Lower margin of the posterior wall

Axillary Lymphnodes

Source

The lateral group of axillary lymph nodes lies along the:

Lower border of the pectoralis minor

Lower margin of the posterior wall

Posteromedial to the axillary vein

In the fat of axilla

Behind and above the pectoralis minor, medial to the axillary vein

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Answer: Posteromedial to the axillary vein

The central group of axillary lymph nodes lies along the:

Lower border of the pectoralis minor

Lower margin of the posterior wall

Posteromedial to the axillary vein

In the fat of axilla

Behind and above the pectoralis minor, medial to the axillary vein

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Answer: In the fat of axilla

The apical group of axillary lymph nodes lies along the:

Lower border of the pectoralis minor

Lower margin of the posterior wall

Posteromedial to the axillary vein

In the fat of axilla

Behind and above the pectoralis minor, medial to the axillary vein

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Answer: Behind and above the pectoralis minor, medial to the axillary vein

Anatomical dissection: Axillary fossa.

Axillary artery extends from:

The outer border of second rib to the lower border of teres major

The inner border of first rib to the lower border of teres minor

The inner border of second rib to the lower border of teres minor

The outer border of first rib to the lower border of teres major

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Answer: The outer border of first rib to the lower border of teres major

The subclavian artery becomes the axillary artery when it crosses the first rib

The axillary artery becomes the brachial artery when it crosses the inferior border of the teres major muscle.

First part of the axillary artery is:

Superior (proximal) to pectoralis minor

Posterior (deep) to pectoralis minor

Inferior (distal) to pectoralis minor

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Answer: Superior (proximal) to pectoralis minor

Second part of the axillary artery is:

Superior (proximal) to pectoralis minor

Posterior (deep) to pectoralis minor

Inferior (distal) to pectoralis minor

--------------------------------------------

Answer: Posterior (deep) to pectoralis minor

Third part of the axillary artery is:

Superior (proximal) to pectoralis minor

Posterior (deep) to pectoralis minor

Inferior (distal) to pectoralis minor

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Answer: Inferior (distal) to pectoralis minor

The Branches Of The Axillary Artery

In relation to axillary artery, clavipectoral fascia with cephalic vein, lateral pectoral nerve, and thoracoacromial artery lies at the:

First part anteriorly

Second part anteriorly

Second part laterally

Third part posteriorly

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Answer: First part anteriorly

In relation to axillary artery, first intercostal space with the external intercostal muscle lies at the:

First part anteriorly

First part posteriorly

Second part laterally

Third part posteriorly

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Answer: First part posteriorly

In relation to axillary artery, medial cord of brachial plexus with its medial pectoral branch lies at the:

First part anteriorly

First part posteriorly

Second part laterally

Third part posteriorly

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Answer: First part posteriorly

In relation to axillary artery, posterior cord of brachial plexus lies at the:

First part anteriorly

Second part posteriorly

Second part laterally

Third part posteriorly

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Answer: Second part posteriorly

In relation to axillary artery, radial nerve lies at the:

First part anteriorly

Second part posteriorly

Second part laterally

Third part posteriorly

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Answer: Third part posteriorly

The axillary artery has the following six branches:

Two from the first part, one from second and three from third

Two from the first part, three from second and three from third

No branch from the first part, three from second and three from third

One from the first part, two from second and three from third

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Answer: One from the first part, two from second and three from third

Which of the following branches of the axillary artery supplies the pectoral muscles and the thoracic wall?

Anterior circumflex humeral artery

Lateral thoracic artery

Posterior circumflex humeral artery

Superior thoracic artery

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Answer: Superior thoracic artery

Which of the following branches of the axillary artery gives rise to lateral mammary branches?

Anterior circumflex humeral artery

Lateral thoracic artery

Posterior circumflex humeral artery

Superior thoracic artery

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Answer: Lateral thoracic artery

Which of the following branches of the axillary artery supplies the head of the humerus and the shoulder joint?

Anterior circumflex humeral artery

Lateral thoracic artery

Posterior circumflex humeral artery

Superior thoracic artery

--------------------------------

Answer: Anterior circumflex humeral artery

Which of the following branches of the axillary artery goes around the surgical neck of the humerus?

Anterior circumflex humeral artery and Posterior circumflex humeral artery

Lateral thoracic artery and Posterior circumflex humeral artery

Posterior circumflex humeral artery and Subscapular artery

Superior thoracic artery and anterior circumflex humeral artery

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Answer: Anterior circumflex humeral artery and Posterior circumflex humeral artery

Which of the following branches of the axillary artery supplies the lattissimus dorsi and serratus anterior?

Anterior circumflex humeral artery

Lateral thoracic artery

Subscapular artery

Superior thoracic artery

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Answer: Subscapular artery

Which is the largest branch of the axillary artery?

Anterior circumflex humeral artery

Lateral thoracic artery

Posteriro circumflex humeral artery

Subscapular artery

Superior thoracic artery

Thoracoacromial artery

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Answer: Subscapular artery

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Comments 4 comments

DDE profile image

DDE 14 months ago from Dubrovnik, Croatia

Informative and well-researched. I enjoyed reading and learning so much more from you.


aviannovice profile image

aviannovice 14 months ago from Stillwater, OK

I found myself a little weak in this area, so this was a fabulous brush up. Amazing how much knowledge stays with us.


Dr Pran Rangan profile image

Dr Pran Rangan 14 months ago from Kanpur (UP), India

Very well written article with elaborate details. Thanks for sharing.


Rachel L Alba profile image

Rachel L Alba 14 months ago from Every Day Cooking and Baking

Wow, are you a doctor? You have words there that I can't even pronounce. lol But I find the human body very interesting and enjoy seeing images of how it runs and reading all about how our insides work. Thanks for all the work and sharing all of this information.

Blessings to you.

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