Unit II: Overview Of The Skeleton & Appendicular Skeleton

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| By Sutton_anatomy

Sutton_anatomy

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Quizzes Created: 8 | Total Attempts: 27,715

Questions: 26 | Attempts: 880 | Updated: Mar 21, 2023

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Questions and Answers

1.

Identify bone marking A:

Explanation
The bone marking A is referred to as the acromial end. The term "acromial" is used to describe the part of the bone that is related to the acromion process, which is a bony projection on the scapula (shoulder blade). The acromial end is the part of the bone that articulates with the acromion process, forming a joint.

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2.

Identify bone marking B:

Explanation
The correct answer is Acromion, acromion. The bone marking B is the acromion. The acromion is a bony process on the scapula (shoulder blade) that forms the highest point of the shoulder. It is easily identified as a prominent, curved projection that extends laterally from the scapula. The term "acromion" refers to this specific bone marking on the scapula.

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3.

Identify bone marking C:

Explanation
The correct answer is supraspinous fossa. The supraspinous fossa is a bone marking located on the scapula (shoulder blade). It is a shallow depression on the posterior side of the scapula, above the spine of the scapula. It serves as an attachment site for muscles and ligaments involved in shoulder movement and stability.

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4.

Identify bone marking A:

Explanation
The correct answer is the Medial Epicondyle. The term "medial" refers to the side of the body that is closer to the midline, while "epicondyle" refers to a bony prominence located above a condyle. Therefore, the Medial Epicondyle is a bony prominence on the inner side of the elbow joint.

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5.

Identify bone marking B:

Explanation
The bone marking B is called the coronoid fossa.

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6.

Identify bone marking C:

Explanation
The bone marking C is called the capitulum. The repetition of the term "capitulum" in the answer suggests that it is the correct option.

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7.

Is bone A medial or lateral?

Explanation
The bone A is described as lateral. This means that it is positioned on the outer side or away from the midline of the body.

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8.

Identify bone marking A:

Explanation
The correct answer is "Radial Tuberosity". The radial tuberosity is a bone marking located on the radius bone of the forearm. It is a rough, bumpy area where the biceps muscle attaches. The repetition of the term "Radial Tuberosity" in different formats indicates that it is the correct answer.

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9.

Identify bone marking A:

Explanation
The correct answer is "Trochlear Notch". The trochlear notch is a V-shaped depression located on the proximal end of the ulna bone. It articulates with the trochlea of the humerus to form the elbow joint. This notch allows for the smooth movement of the ulna during flexion and extension of the forearm.

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10.

Identify bone marking B:

Explanation
The correct answer is "Radial Notch, Radial notch, radial notch." The bone marking being referred to in this question is the radial notch. It is a small depression or indentation on the radius bone, located near the distal end. This marking provides a space for the ulna bone to articulate with the radius bone, allowing for movement and rotation of the forearm. The repetition of the term "radial notch" in different capitalizations suggests that it is the correct answer.

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11.

Identify bone A:

Explanation
The bone A is identified as the distal phalange.

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12.

Identify bone marking A:

Explanation
The correct answer is "Anterior Inferior Iliac Spine", "Anterior inferior iliac spine", and "anterior inferior iliac spine". These are all correct because they refer to the same bone marking. The anterior inferior iliac spine is a bony projection located on the anterior and inferior aspect of the ilium bone in the pelvis. It serves as an attachment point for various muscles and ligaments.

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13.

Identify bone marking C:

Explanation
The correct answer is "Ischial Spine, Ischial spine, ischial spine." The ischial spine is a bone marking located on the ischium, which is part of the pelvis. It is a small projection that extends posteriorly and superiorly.

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14.

The bone shown below represents the os coxa.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The bone shown below represents the os coxa. The os coxa, also known as the hip bone, is a large flat bone located on each side of the pelvis. It consists of three fused bones: the ilium, ischium, and pubis. These bones come together to form a socket called the acetabulum, which connects the hip joint and the femur. Therefore, the statement "The bone shown below represents the os coxa" is true.

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15.

Identify bone marking A:

Correct Answer
Greater Sciatic Notch
Greater sciatic notch
greater sciatic notch

Explanation
The correct answer is "Greater Sciatic Notch". The greater sciatic notch is a large indentation on the posterior aspect of the hip bone. It is located below the posterior inferior iliac spine and above the ischial spine. The greater sciatic notch allows for the passage of the sciatic nerve, as well as blood vessels and other structures, between the pelvis and the lower limb.

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16.

Identify bone marking A:

Correct Answer
Neck
neck
17.

Identify bone marking A:

Correct Answer
Intercondylar Fossa
Intercondylar fossa
intercondylar fossa

Explanation
The correct answer is "Intercondylar Fossa, Intercondylar fossa, intercondylar fossa." This bone marking refers to a depression located between the condyles of a bone, typically found in the knee joint area. It allows for the articulation and movement of the bones in the joint.

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18.

Identify bone marking A:

Correct Answer
Lateral Condyle
Lateral condyle
lateral condyle

Explanation
The bone marking A is the lateral condyle. The term "lateral condyle" refers to a rounded prominence on the lateral side of a bone, typically found at a joint. In this case, it is specifically referring to the lateral condyle of a bone.

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19.

The bone shown below represents the tibia.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The given statement is false because the bone shown below does not represent the tibia.

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20.

Identify bone A:

Correct Answer
Talus
talus

Explanation
The bone that is identified as "A" is called the talus. The talus is a bone located in the foot, specifically in the ankle joint. It is an important bone that connects the leg bones (tibia and fibula) to the foot bones. The talus plays a crucial role in allowing movement and flexibility of the foot and ankle.

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21.

Identify A:

Correct Answer
Articular Cartilage
Articular cartilage
articular cartilage

Explanation
The correct answer for the given question is "Articular Cartilage, Articular cartilage, articular cartilage". This suggests that all three options are correct and refer to the same thing, which is the articular cartilage. The repetition of the term in different capitalization styles may be due to formatting or typing errors, but they all point to the same anatomical structure.

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22.

Identify B:

Correct Answer
Endosteum
endosteum

Explanation
The correct answer is "Endosteum, endosteum." The endosteum is a thin layer of connective tissue that lines the inner surface of the bone. It contains osteoprogenitor cells, which are responsible for bone growth and repair. The repetition of "endosteum" in the answer suggests that B refers to the endosteum.

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23.

Trochanters are found only on the femur.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Trochanters are bony protrusions found on the femur bone. They serve as attachment points for muscles, tendons, and ligaments, providing stability and facilitating movement of the hip joint. The trochanters include the greater trochanter and the lesser trochanter, which are located at specific points on the femur. Therefore, it is true that trochanters are found only on the femur bone.

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24.

Teeth are actually part of the digestive system not the skeletal system despite being composed of largely bone.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Teeth are not part of the digestive system; they are actually part of the skeletal system. Although teeth are composed largely of bone, they are not involved in the actual digestion of food. Instead, teeth play a crucial role in the initial mechanical breakdown of food, aiding in the process of chewing and grinding before it enters the digestive system.

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25.

In a male pelvis the ischial spines flare inward.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
In a male pelvis, the ischial spines do indeed flare inward. This anatomical feature is one of the key differences between male and female pelves. The flaring of the ischial spines in males allows for a narrower pelvic outlet, which is advantageous for supporting the weight of the upper body and facilitating bipedal locomotion. In contrast, the ischial spines in a female pelvis are wider apart, providing a larger pelvic outlet to accommodate childbirth.

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26.

Which of these bones forms within a tendon?
- A.
  
  Os Coxae
- B.
  
  Patella
- C.
  
  Carpals
- D.
  
  Clavicle
Correct Answer
B. Patella

Explanation
The patella, commonly known as the kneecap, is a sesamoid bone that forms within the tendon of the quadriceps muscle. It is located in front of the knee joint and helps to protect the joint and provide mechanical advantage to the muscles involved in knee extension. The other options, including Os Coxae (hip bone), Carpals (wrist bones), and Clavicle (collarbone), do not form within a tendon.

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