Bones And Landmarks Of The Thorax
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What is/are the anterior boundary/boundaries of the axilla?
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Humerus
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Teres major muscle
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Pectoralis major and pectoralis minor muscles
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After looking carefully at the 'Bones and Landmarks' section of the website, see how much you can recall by testing yourself with the following 10 questions!
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- 2.
Which part of the breast extends to form the axillary tail?
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Upper outer quadrant
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Lower outer quadrant
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Upper inner quadrant
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Lower inner quadrant
Correct Answer
A. Upper outer quadrantExplanation
The upper outer quadrant of the breast extends to form the axillary tail. This is the area of the breast that is located towards the armpit. The axillary tail is an extension of breast tissue that can sometimes be felt as a small lump or bump. It is important to be aware of this area during breast self-exams and to report any changes or abnormalities to a healthcare professional.Rate this question:
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- 3.
At what level of the thoracic vertebrae does the body of the sternum extend from and to?
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T2-T5
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T3-T6
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T4-T7
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T5-T9
Correct Answer
A. T5-T9Explanation
The body of the sternum extends from the level of the fifth thoracic vertebra (T5) to the level of the ninth thoracic vertebra (T9).Rate this question:
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- 4.
The manubrium joins to the clavicles via the manubriosternal joints
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True
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False
Correct Answer
A. FalseExplanation
They join by the sternoclavicular joints. The manubrium and body of the sternum join via the manubriosternal joint.Rate this question:
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- 5.
The pectoralis major muscle attaches to the anterior surface of the medial 2/3rds of the clavicle
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True
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False
Correct Answer
A. TrueExplanation
The pectoralis major muscle indeed attaches to the anterior surface of the medial 2/3rds of the clavicle. This attachment point allows the muscle to play a significant role in movements involving the shoulder joint, such as flexion, adduction, and internal rotation.Rate this question:
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- 6.
The 6th rib pair is composed of typical ribs
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True
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False
Correct Answer
A. TrueExplanation
The 6th rib pair is composed of typical ribs, which means that it follows the general structure and characteristics of ribs in the human body. This includes having a curved shape, being attached to the thoracic vertebrae, and connecting to the sternum or other ribs through cartilage. Therefore, the statement "The 6th rib pair is composed of typical ribs" is true.Rate this question:
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- 7.
The coracobrachialis muscle attaches to the coracoid process
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True
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False
Correct Answer
A. TrueExplanation
The coracobrachialis muscle is a small muscle located in the upper arm. It originates from the coracoid process, which is a bony projection on the scapula (shoulder blade). The muscle then inserts into the humerus bone in the upper arm. Therefore, it is true that the coracobrachialis muscle attaches to the coracoid process.Rate this question:
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- 8.
What can be observed along the shaft of the humerus bone?
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Radial groove
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Deltoid tuberosity
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Radial groove and deltoid tuberosity
Correct Answer
A. Radial groove and deltoid tuberosityExplanation
Along the shaft of the humerus bone, both the radial groove and the deltoid tuberosity can be observed. The radial groove is a shallow depression that runs along the posterior aspect of the bone, serving as a pathway for the radial nerve. The deltoid tuberosity, on the other hand, is a roughened area located on the lateral aspect of the bone where the deltoid muscle attaches. Together, these structures can be observed as distinct features along the shaft of the humerus bone.Rate this question:
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- 9.
The tendon of the short head of the biceps brachii muscle passes through the bicipital groove
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True
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False
Correct Answer
A. FalseExplanation
It is the tendon of the long head of the biceps brachii muscleRate this question:
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- 10.
What is the shape of the body of a thoracic vertebra?
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Circular
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Heart
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Oval
Correct Answer
A. HeartExplanation
The shape of the body of a thoracic vertebra is often described as heart-shaped. This is because the body of a thoracic vertebra has a characteristic anterior (front) and posterior (back) height that resembles the shape of a heart. This shape allows for the attachment of the ribs and provides support and protection to the thoracic region of the spine.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Jan 08, 2012Quiz Created by
Clinical_anatomy
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