Axilla

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| By Godman95
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Axilla - Quiz

Test your level of understanding of the axilla !


Questions and Answers
  • 1. 

    Its apex is a communication channel between

    • A.

      The posteior triangle

    • B.

      The side of the upper arm

    • C.

      The axilla

    • D.

      The side of the thorax

    Correct Answer(s)
    A. The posteior triangle
    C. The axilla
    Explanation
    The correct answer is the axilla. The axilla, also known as the armpit, is a communication channel between the posterior triangle (a region of the neck) and the side of the thorax (chest). It is located on the side of the upper arm and serves as a pathway for nerves, blood vessels, and lymphatic vessels to travel between these areas.

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  • 2. 

    What  exactly is the axilla?

    • A.

      The space in the ribcage

    • B.

      The space between the side of the thorax and the upper arm

    • C.

      Also called the ampit

    • D.

      Its a small superficial muscle

    Correct Answer(s)
    B. The space between the side of the thorax and the upper arm
    C. Also called the ampit
    Explanation
    The axilla is the space between the side of the thorax and the upper arm, also known as the armpit. It is not a small superficial muscle, but rather a hollow area where many important structures such as blood vessels, nerves, lymph nodes, and muscles converge. It is an anatomical region rather than a muscle or a space in the ribcage.

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  • 3. 

    The floor of the axilla is formed by

    • A.

      The upper part of seratus anterior

    • B.

      The pectoral muscle

    • C.

      The clavipectoial fascia

    • D.

      The axillary fascia

    Correct Answer
    D. The axillary fascia
    Explanation
    The floor of the axilla is formed by the axillary fascia. The axillary fascia is a layer of connective tissue that covers the axilla, or armpit. It helps to provide support and structure to the axilla, as well as serving as a barrier between the axilla and surrounding structures. The other options mentioned, such as the upper part of serratus anterior, pectoral muscle, and clavipectoral fascia, are not involved in forming the floor of the axilla.

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  • 4. 

    Its anteior is formed by

    • A.

      Pectoal major

    • B.

      Pectoral minor

    • C.

      Subclavius

    • D.

      Clavipectoral muscle

    Correct Answer(s)
    A. Pectoal major
    B. Pectoral minor
    C. Subclavius
    D. Clavipectoral muscle
    Explanation
    The anterior (front) part of the body is formed by the pectoral major, pectoral minor, subclavius, and clavipectoral muscle. These muscles are located in the chest area and contribute to the overall structure and movement of the upper body. The pectoral major is the largest muscle in the chest and is responsible for movements such as flexion, adduction, and rotation of the arm. The pectoral minor is a smaller muscle located beneath the pectoral major and helps to stabilize the shoulder joint. The subclavius muscle runs along the clavicle (collarbone) and assists in depressing and stabilizing the clavicle. The clavipectoral muscle is a group of muscles that help to support and move the arm.

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  • 5. 

    What are the contents of the axilla ?

    • A.

      Axillay ateries

    • B.

      Axillay veins

    • C.

      Lymph nodes of the axilla

    • D.

      Brachial plexus

    Correct Answer(s)
    A. Axillay ateries
    B. Axillay veins
    C. Lymph nodes of the axilla
    D. Brachial plexus
    Explanation
    The contents of the axilla include axillary arteries, axillary veins, lymph nodes of the axilla, and the brachial plexus.

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  • 6. 

    Its posterior is forrmed by

    • A.

      Pectoralis minor

    • B.

      Subscapularis

    • C.

      Tendon of Latissimus dorsi connected to the teres major

    • D.

      Teres major

    Correct Answer(s)
    B. Subscapularis
    C. Tendon of Latissimus dorsi connected to the teres major
    D. Teres major
    Explanation
    The posterior of the given structure is formed by the subscapularis muscle, the tendon of the latissimus dorsi connected to the teres major muscle, and the teres major muscle.

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  • 7. 

    Its medial wall is formed by

    • A.

      Subscapularis

    • B.

      Teres major

    • C.

      The lip of pectoralis major

    • D.

      Upper part of seratus anterior

    Correct Answer
    D. Upper part of seratus anterior
    Explanation
    The correct answer is the upper part of serratus anterior. The medial wall of the given structure is formed by the upper part of serratus anterior. This muscle originates from the upper eight or nine ribs and inserts into the medial border of the scapula. It helps to stabilize and protract the scapula, allowing for movements of the shoulder joint. The other options mentioned, such as subscapularis, teres major, and the lip of pectoralis major, do not contribute to the formation of the medial wall in this case.

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  • 8. 

    Its apex is formed by

    • A.

      The clavicle

    • B.

      The outer border of the fist rib

    • C.

      The head of the humerus

    • D.

      The upper border of the scapula

    Correct Answer(s)
    A. The clavicle
    B. The outer border of the fist rib
    D. The upper border of the scapula
    Explanation
    The apex of the given structure is formed by the clavicle, the outer border of the first rib, and the upper border of the scapula. These three bones come together to create the highest point or tip of the structure. The head of the humerus is not involved in the formation of the apex.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 26, 2016
    Quiz Created by
    Godman95
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