Pectoral Girdle And Upper Limb Quiz

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Pectoral Girdle And Upper Limb Quiz - Quiz

This is a quiz for A&P  lab covering the Pectoral Girdle and Upper Limb. Spelling counts!


Questions and Answers
  • 1. 

    What bone does number 1 point to?

    Explanation
    Number 1 is pointing to the clavicle bone. The clavicle, also known as the collarbone, is a long bone that connects the shoulder blade to the sternum. It is easily identifiable due to its curved shape and location at the front of the shoulder. The clavicle provides support and stability to the shoulder joint and helps to maintain proper posture.

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  • 2. 

    What bone structure does number 2 point to?

    Explanation
    Number 2 is pointing to the acromion process. The acromion process is a bony projection located at the top of the shoulder blade (scapula) that forms part of the shoulder joint. It extends laterally and provides attachment for various muscles and ligaments involved in shoulder movement.

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  • 3. 

    What bone does number 3 point to?

    Explanation
    Number 3 is pointing to the scapula. The scapula, also known as the shoulder blade, is a flat triangular bone located on the upper back. It is an important bone that connects the upper arm bone (humerus) to the collarbone (clavicle) and helps in the movement and stability of the shoulder joint.

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  • 4. 

    What bone does number 4 point to?

    Explanation
    Number 4 is pointing to the humerus bone. The humerus is the long bone located in the upper arm, connecting the shoulder to the elbow. It is the largest bone in the upper body and plays a crucial role in the movement and stability of the arm.

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  • 5. 

    What bone does number 5 point to?

    Explanation
    Number 5 is pointing to the radius bone. The radius is one of the two long bones in the forearm, located on the thumb side. It runs parallel to the ulna bone and helps to form the wrist joint. The radius is responsible for the rotation of the forearm and plays a crucial role in the movement and stability of the hand and wrist.

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  • 6. 

    What bone structure does number 6 point to?

    Explanation
    Number 6 is pointing to the coracoid process, which is a bony projection located on the scapula (shoulder blade). The coracoid process serves as an attachment point for several muscles and ligaments involved in shoulder movement and stability.

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  • 7. 

    What bone structure does # 7 point to?

    Explanation
    The given answer "greater tubercle" correctly identifies the bone structure pointed to by #7. 

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  • 8. 

    What bone structure(s) does number 8 point to?

    Explanation
    Number 8 is pointing to the styloid process. The styloid process is a long, pointed projection of bone that can be found in various parts of the body, such as the temporal bone in the skull or the ulna bone in the forearm. Since the question does not specify the exact location, it is not possible to determine which specific styloid process is being referred to.

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  • 9. 

    What bones does number 9 point to?

    Explanation
    Number 9 points to the carpals. Carpals are the small bones located in the wrist area. They are arranged in two rows and are responsible for providing flexibility and support to the wrist joint.

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  • 10. 

    What bone does number 10 point to?

    Explanation
    Number 10 is pointing to the ulna bone. The ulna is one of the two bones located in the forearm, running parallel to the radius bone. It is longer than the radius and forms the inner part of the forearm. The ulna is responsible for stability and support in the forearm and plays a crucial role in the movement of the arm.

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  • 11. 

    What bone does number 11 point to?

  • 12. 

    what bones does number 12 point to?

    Explanation
    Number 12 refers to the metacarpal bones, specifically pointing out at the third metacarpal bone. The metacarpals are the long bones located in the palm of the hand, connecting the wrist to the fingers. There are five metacarpals in each hand, numbered from 1 to 5 starting from the thumb side. Therefore, number 12 would be the third metacarpal bone, which is located in the middle finger.

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  • 13. 

    What bones does number 13 point to?

    Explanation
    Number 13 refers to the bones called phalanges. Phalanges are the bones that make up the fingers and toes. They are long, slender bones that articulate with the metacarpals in the hands and the metatarsals in the feet. Each finger and toe has three phalanges, except for the thumb and big toe which have two. The phalanges play a crucial role in providing support, flexibility, and dexterity to the hands and feet, allowing us to perform various tasks and movements.

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  • 14. 

    What bone is this? (is it anterior or posterior and what side of the body is this on?)

    Explanation
    The correct answer is scapula anterior left, left anterior scapula, anterior left scapula, scapula left anterior.

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  • 15. 

    What is number 1?

  • 16. 

    What does number 2 point to?

    Explanation
    Number 2 points to the superior angle of the scapula. The scapula is a triangular-shaped bone located on the upper back. It has three angles: superior, inferior, and lateral. The superior angle is the uppermost point of the scapula, located near the shoulder. It is important to identify and understand the different landmarks of the scapula for anatomical reference and medical diagnoses.

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  • 17. 

    What does number 3 point to?

    Explanation
    Number 3 is pointing to the superior border of the scapula. The superior border of the scapula is the uppermost edge of the scapula bone, which is located near the shoulder. It is a prominent bony ridge that can be easily identified.

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  • 18. 

    What does number 4 point to?

    Explanation
    Number 4 is pointing to the subscapular fossa. The subscapular fossa is a concave depression located on the anterior surface of the scapula. It is the largest and most prominent of the three fossae on the scapula. It serves as the attachment site for the subscapularis muscle, which is one of the four muscles of the rotator cuff. The subscapular fossa provides a smooth surface for the subscapularis muscle to move and function effectively, allowing for various movements of the shoulder joint.

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  • 19. 

    What does number 5 point to?

    Explanation
    Number 5 points to the glenoid fossa. The glenoid fossa is a shallow depression on the scapula (shoulder blade) that forms part of the shoulder joint. It is where the head of the humerus (upper arm bone) articulates, allowing for movement and stability in the shoulder joint.

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  • 20. 

    What does number 6 point to?

    Explanation
    Number 6 is pointing to the inferior angle of the scapula. The scapula, also known as the shoulder blade, is a triangular bone located on the back of the shoulder. The inferior angle refers to the lowermost corner of the scapula. This answer suggests that number 6 is indicating this specific anatomical landmark.

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  • 21. 

    What does number 7 point to?

    Explanation
    Number 7 is pointing to the medial border of the scapula. The medial border of the scapula refers to the inner edge of the shoulder blade. It runs parallel to the spine and is closer to the midline of the body compared to the lateral border. The scapula is a flat triangular bone that forms part of the shoulder girdle, and the medial border is an important landmark for anatomical reference and identification.

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  • 22. 

    What does number 8 point to?

    Explanation
    Number 8 points to the lateral border of the scapula. The scapula, also known as the shoulder blade, is a triangular bone located on the upper back. It has three borders - superior, medial, and lateral. The lateral border is the outermost edge of the scapula, running parallel to the arm. Number 8 on the diagram is indicating this specific border.

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  • 23. 

    What does number 9 point to?

    Explanation
    Number 9 points to the coracoid process. The coracoid process is a bony projection located on the scapula bone, specifically on the anterior side. It serves as an attachment point for several muscles and ligaments, including the coracobrachialis muscle and the coracoclavicular ligament. The coracoid process helps stabilize the shoulder joint and provides support for movements of the upper limb.

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  • 24. 

    What does number 10 point to?

    Explanation
    Number 10 points to the supraglenoid tubercle of the scapula. The supraglenoid tubercle is a bony prominence located above the glenoid cavity of the scapula. It serves as the attachment site for the long head of the biceps brachii muscle.

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  • 25. 

    What does number 11 point to?

    Explanation
    The number 11 on the scapula is pointing to the infraglenoid tubercle. This is a small projection located below the glenoid fossa, which is the socket where the humerus (upper arm bone) articulates with the scapula. The infraglenoid tubercle serves as an attachment site for the long head of the triceps brachii muscle, which is responsible for extending the forearm.

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  • 26. 

    What bone is this? (is it anterior or posterior and what side of the body is it on?)

    Explanation
    The correct answer is "scapula posterior left." This answer correctly identifies the bone as the scapula, and specifies that it is located on the posterior (back) side of the body and on the left side. The other options may have the correct bone, but they do not provide the correct order of the descriptors.

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  • 27. 

    What is number 1?

  • 28. 

    What is number 2 point to?

    Explanation
    The number 2 point refers to the spine of the scapula. The spine of the scapula is a bony ridge that runs across the upper back, connecting the acromion process to the medial border of the scapula. It serves as an attachment site for various muscles and ligaments, providing stability and allowing for movement of the shoulder joint.

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  • 29. 

    What does number 3 point to?

    Explanation
    Number 3 in this context is pointing to the glenoid fossa. The glenoid fossa is a shallow depression in the scapula (shoulder blade) that articulates with the head of the humerus (upper arm bone) to form the shoulder joint. This joint allows for a wide range of motion in the shoulder.

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  • 30. 

    What does number 4 point to?

    Explanation
    Number 4 points to the lateral border of the scapula. This means that when referring to the scapula, number 4 is indicating the side or edge of the scapula that is farthest from the center of the body. The lateral border of the scapula is the outermost edge that runs parallel to the arm.

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  • 31. 

    What does number 5 point to?

    Explanation
    Number 5 points to the inferior angle of the scapula. The scapula, also known as the shoulder blade, is a triangular-shaped bone that connects the upper arm bone to the collarbone. The inferior angle is the bottom corner of the scapula, located near the spine. Identifying the different parts of the scapula is important for understanding the anatomy of the shoulder and its surrounding structures.

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  • 32. 

    What does number 6 point to?

    Explanation
    Number 6 on the diagram is pointing to the coracoid process. The coracoid process is a bony projection located on the scapula (shoulder blade) that serves as an attachment site for various muscles and ligaments involved in shoulder movement. It is easily identifiable on the diagram and can be recognized as the structure being referred to by the number 6.

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  • 33. 

    What does number 7 point to?

    Explanation
    Number 7 is pointing to the supraspinous fossa. The supraspinous fossa is a shallow depression located on the posterior side of the scapula, specifically on the superior part of the scapular spine. It is a landmark used in anatomy to identify the location of certain muscles and ligaments that attach to the scapula.

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  • 34. 

    What does number 8 point to?

    Explanation
    Number 8 points to the superior border of the scapula. The superior border of the scapula is the uppermost edge of the scapula bone. It runs horizontally from the superior angle to the coracoid process. This border is important for muscle attachments and provides a point of reference for anatomical landmarks on the scapula.

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  • 35. 

    What does number 9 point to?

    Explanation
    The number 9 points to the superior angle of the scapula. The superior angle is the top corner of the scapula bone, located near the base of the neck. It is important to identify and understand the different landmarks of the scapula for anatomical reference and medical purposes.

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  • 36. 

    What does number 10 point to?

    Explanation
    Number 10 points to the infraspinous fossa. The infraspinous fossa is a depression located on the posterior aspect of the scapula, specifically on the dorsal surface below the spine of the scapula. It is one of the two major fossae on the scapula, the other being the supraspinous fossa. The infraspinous fossa serves as an attachment site for muscles involved in shoulder movement and stability, such as the infraspinatus muscle.

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  • 37. 

    What does number 11 point to?

    Explanation
    Number 11 is pointing to the medial border of the scapula. The medial border is the inner edge of the scapula, running parallel to the spine. It is also known as the vertebral border. The scapula is a triangular bone located on the upper back, commonly known as the shoulder blade. It plays a crucial role in shoulder movement and stability.

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  • 38. 

    What bone is this? (Is it anterior or inferior and what side of the body is it on?)

    Explanation
    The correct answer is "humerous anterior right, humerous right anterior, right anterior humerous, anterior right humerous". The bone being referred to in the question is the humerus, and it is located on the right side of the body. The term "anterior" indicates that it is positioned towards the front of the body. Therefore, all four options correctly describe the bone as being the humerus, located on the right side, and positioned towards the front of the body.

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  • 39. 

    What is number 1?

  • 40. 

    What is number 2?

    Explanation
    The deltoid tuberosity is a bony prominence located on the lateral side of the humerus bone. It serves as an attachment point for the deltoid muscle, which is responsible for shoulder abduction and flexion. The deltoid tuberosity provides stability and strength to the shoulder joint, allowing for various movements of the arm.

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  • 41. 

    What is number 3?

  • 42. 

    What is number 5?

  • 43. 

    What is number 6?

  • 44. 

    What is number 7?

  • 45. 

    What does 8 point to?

    Explanation
    The answer "lesser tubercle of humerus" refers to a specific anatomical structure located on the humerus bone. The lesser tubercle is a small, rounded prominence found on the anterior surface of the proximal end of the humerus. It serves as an attachment site for muscles and ligaments involved in the movement of the shoulder joint. The question is asking what the number 8 is pointing to, and the correct answer is the lesser tubercle of the humerus.

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  • 46. 

    What does 9 point to?

    Explanation
    The capitulum of the humerus is a rounded, knob-like structure located on the distal end of the humerus bone. It is part of the articulation of the elbow joint, specifically forming the lateral condyle. The capitulum serves as the point of connection for the radius bone, allowing for flexion and extension movements of the forearm.

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  • 47. 

    What does number 10 point to?

    Explanation
    Number 10 refers to the anatomical neck. The anatomical neck is a specific region on the humerus bone that is located just below the head of the bone. It is called the anatomical neck because it is the site where the head of the humerus articulates with the glenoid cavity of the scapula, forming the shoulder joint. This distinction is important in anatomy because there is another region on the humerus called the surgical neck, which is located just below the tubercles of the bone.

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  • 48. 

    What does number 11 point to?

    Explanation
    Number 11 refers to the medial supracondylar ridge or humerus. The medial supracondylar ridge is a bony prominence located on the inner side of the humerus bone. It serves as an attachment point for various muscles and ligaments in the arm. The humerus, on the other hand, is the long bone in the upper arm, connecting the shoulder to the elbow. Both the medial supracondylar ridge and the humerus are anatomical structures that can be identified and referenced using the number 11.

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  • 49. 

  • 50. 

    What does 13 point to?

    Explanation
    The question is asking what the number 13 is pointing to. The correct answer is the coronoid fossa. The coronoid fossa is a depression on the anterior surface of the distal end of the humerus bone. It is located just above the trochlea and serves as a point of attachment for the coronoid process of the ulna bone.

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