Skeletal System Questions: Quiz

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| By Keb1980
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Quizzes Created: 13 | Total Attempts: 28,974
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  • 1/33 Questions

    Which skeleton are the legs part of?

    • Axial
    • Appendicular
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About This Quiz

Explore the skeletal system with this concise quiz. Assess your knowledge on the structure and functions of bones, joints like the tempro-mandibular, and classifications of carpal and tarsal bones. Ideal for students and enthusiasts eager to deepen their understanding of human anatomy.

Skeletal System Questions: Quiz - Quiz

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  • 2. 

    Which movement at a joint allows for a full circle - 360 degrees ?

    • Medial rotation

    • Lateral rotation

    • Circumduction

    Correct Answer
    A. Circumduction
    Explanation
    Circumduction is the movement at a joint that allows for a full circle or 360 degrees of rotation. This movement involves the combination of flexion, extension, abduction, and adduction, resulting in a circular motion. It is commonly seen in ball-and-socket joints like the shoulder and hip, where the joint allows for a wide range of movement in multiple planes. Medial and lateral rotation, on the other hand, refer to the rotation of a body part towards or away from the midline, respectively, and do not involve a full circle of movement.

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  • 3. 

    The talus is an example of a tarsal bone.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The talus is indeed an example of a tarsal bone. Tarsal bones are a group of seven bones that make up the ankle and heel region of the foot. The talus is the second largest bone in the foot and plays a crucial role in connecting the leg to the foot. It articulates with the tibia and fibula to form the ankle joint and also provides support and stability for the foot. Therefore, it is correct to say that the talus is a tarsal bone.

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  • 4. 

    Which type of fracture is open and results in the broken ends of the bones protuding through the skin?

    • Compound

    • Stress

    Correct Answer
    A. Compound
    Explanation
    A compound fracture, also known as an open fracture, occurs when the broken ends of the bones protrude through the skin. This type of fracture is more severe and has a higher risk of infection compared to other types of fractures.

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  • 5. 

    What is the name of the first cervical vertebrae?

    • Atlas

    • Axis

    Correct Answer
    A. Atlas
    Explanation
    The first cervical vertebrae is called the Atlas. It is named after the mythological figure Atlas, who was said to carry the weight of the world on his shoulders. The Atlas is responsible for supporting the weight of the skull and allowing for nodding movements of the head. It is unique among the vertebrae as it lacks a body and instead consists of a ring-like structure with two large lateral masses. This design allows for a greater range of motion compared to other vertebrae.

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  • 6. 

    An example of a pivot joint is between the atlas and the axis.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The atlas and axis are two vertebrae in the neck that allow for rotation of the head. This type of joint, known as a pivot joint, allows for movement in only one plane, which is rotation in this case. The atlas and axis are specifically designed to allow for this type of movement, making them an example of a pivot joint. Therefore, the statement is true.

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  • 7. 

    The vertebrae are examples of which type of bone?

    • Flat

    • Short

    • Long

    • Irregular

    Correct Answer
    A. Irregular
    Explanation
    The vertebrae are examples of irregular bones because they have complex shapes with irregular surfaces. Irregular bones do not fit into the other categories of bone shapes (flat, short, or long) and have unique structures that serve specific purposes, such as protecting vital organs or providing attachment points for muscles.

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  • 8. 

    The skull bones are  an example of which type of joint?

    • Synarthrotic or fixed

    • Amphiarthrotic or cartilaginous

    • Diarthrotic or synovial

    Correct Answer
    A. Synarthrotic or fixed
    Explanation
    The skull bones are an example of a synarthrotic or fixed joint because they are immovable and tightly fused together. This type of joint provides stability and protection for the brain.

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  • 9. 

    Which joint movement straightens a body part?

    • Flexion

    • Extension

    • Pronation

    • Supination

    Correct Answer
    A. Extension
    Explanation
    Extension is the joint movement that straightens a body part. It involves increasing the angle between two bones or parts of the body, typically in the opposite direction of flexion. For example, when you straighten your arm from a bent position, you are performing extension at the elbow joint. Similarly, when you straighten your leg from a bent position, you are performing extension at the knee joint.

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  • 10. 

    How many vertebrae are found in the thoracic section of the spine?

    • 7

    • 5

    • 4

    • 12

    Correct Answer
    A. 12
    Explanation
    The thoracic section of the spine consists of 12 vertebrae. These vertebrae are located in the upper and middle back region and are larger and stronger compared to the vertebrae in other sections of the spine. The thoracic vertebrae are responsible for providing support and stability to the rib cage and protecting the organs in the chest cavity.

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  • 11. 

    What is the name of the membrane of a bone?

    • Diaphysis

    • Epiphysis

    • Periosteum

    Correct Answer
    A. Periosteum
    Explanation
    The periosteum is the correct answer because it is the membrane that covers the outer surface of bones. It is a dense, fibrous connective tissue that provides protection and support to the bone. The periosteum also plays a crucial role in bone growth, repair, and nutrition by containing blood vessels and nerves that supply the bone.

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  • 12. 

    What is the name for the long shaft part of a bone?

    • Diaphysis

    • Epiphysis

    • Periosteum

    Correct Answer
    A. Diaphysis
    Explanation
    The diaphysis is the correct answer because it refers to the long shaft part of a bone. It is the main cylindrical portion of a long bone, located between the two ends called epiphyses. The diaphysis is composed mainly of compact bone, providing strength and support to the bone structure. It also contains the medullary cavity, which is filled with bone marrow. The other options, epiphysis and periosteum, are incorrect as they refer to different parts of the bone.

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  • 13. 

    Which is the largest bone in the lower leg?

    • Tibia

    • Fibula

    Correct Answer
    A. Tibia
    Explanation
    The tibia is the largest bone in the lower leg. It is located on the inner side of the leg and is commonly known as the shinbone. The tibia is responsible for bearing most of the body's weight and providing stability and support to the leg. It is larger and stronger than the fibula, which is the smaller bone located on the outer side of the leg.

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  • 14. 

    Which type of movement at a joint allows the movement of a limb away from the midline?

    • Abduction

    • Adduction

    • Inversion

    • Eversion

    Correct Answer
    A. Abduction
    Explanation
    Abduction is the correct answer because it refers to the movement of a limb away from the midline of the body. This type of movement occurs in joints such as the shoulder or hip, where the limb moves away from the center of the body. Adduction, on the other hand, refers to the movement of a limb towards the midline. Inversion and eversion refer to movements of the foot, not the limb as a whole.

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  • 15. 

    Which is the largest bone of the pelvis?

    • Ilium

    • Ischium

    • Pubis

    Correct Answer
    A. Ilium
    Explanation
    The ilium is the largest bone of the pelvis. It forms the uppermost and largest part of the hip bone. It is located on each side of the pelvis and contributes to the acetabulum, which is the socket of the hip joint. The ilium provides support and stability to the pelvis and helps to transfer weight from the upper body to the lower limbs.

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  • 16. 

    Gout is caused by a build up of which acid?

    • Lactic

    • Uric

    • Hydrochloric

    Correct Answer
    A. Uric
    Explanation
    Gout is caused by a build-up of uric acid. Uric acid is a waste product that is produced when the body breaks down purines, which are substances found in certain foods and drinks. When there is an excess of uric acid in the body, it can form crystals in the joints, leading to the painful symptoms of gout. This build-up of uric acid can be caused by various factors such as genetics, diet, obesity, and certain medical conditions. Treatment for gout often involves medications to reduce uric acid levels and lifestyle changes to manage the condition.

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  • 17. 

    A cartiliginous joint is capable of what kind of movement?

    • None

    • Some / Semi-moveable

    • Freely moveable

    Correct Answer
    A. Some / Semi-moveable
    Explanation
    A cartilaginous joint is capable of some or semi-moveable movement. Cartilaginous joints are connected by cartilage, which allows for limited movement. These joints provide stability and support to the body while allowing for slight movement, such as bending or twisting. Unlike freely movable joints, such as the synovial joints, cartilaginous joints have less mobility due to the presence of cartilage between the bones.

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  • 18. 

    What is the name for the ends of a long bone, which is covered in articular cartilage?

    • Diaphysis

    • Epiphysis

    • Periosteum

    Correct Answer
    A. Epiphysis
    Explanation
    The ends of a long bone that are covered in articular cartilage are called epiphysis. The epiphysis is responsible for forming joints with other bones and provides a smooth surface for movement. It is composed of spongy bone and contains red bone marrow, which produces blood cells. The articular cartilage helps to reduce friction and absorb shock during movement.

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  • 19. 

    Which of the following is an example of a saddle joint?

    • Thumb & 1st metacarpal

    • Atlas & axis

    • Patella & femur

    • Atlas & occipital

    Correct Answer
    A. Thumb & 1st metacarpal
    Explanation
    The saddle joint is a type of synovial joint that allows movement in multiple directions. It is characterized by two bones that have concave and convex surfaces, resembling a saddle. The joint between the thumb and the first metacarpal is an example of a saddle joint because the trapezium bone of the wrist has a saddle-shaped surface that articulates with the convex surface of the first metacarpal bone. This joint allows for a wide range of movements, including flexion, extension, abduction, adduction, and opposition of the thumb.

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  • 20. 

    The pathology osteoporosis is caused by ageing and the lack of which hormone?

    • Oestrogen

    • Progesterone

    • Adrenaline

    • Thyroxine

    Correct Answer
    A. Oestrogen
    Explanation
    Osteoporosis is a condition characterized by the loss of bone density, making bones weak and brittle. It is more common in postmenopausal women, suggesting a link with hormonal changes. Estrogen, a hormone primarily produced by the ovaries, plays a crucial role in maintaining bone health. As women age and go through menopause, estrogen levels decline, leading to an increased risk of osteoporosis. Therefore, the lack of estrogen is a significant contributing factor to the development of osteoporosis.

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  • 21. 

    The tempro-mandibular joint is an example of a synovial (diarthrotic joint).

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The temporomandibular joint is indeed an example of a synovial joint. Synovial joints are characterized by the presence of a synovial cavity, which is filled with synovial fluid that lubricates and nourishes the joint. These joints allow for a wide range of movement and are found in various parts of the body, including the jaw. Therefore, the statement is true.

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  • 22. 

    How many tarsal bones do humans have?

    • 6

    • 7

    • 8

    • 9

    Correct Answer
    A. 7
    Explanation
    Humans have 7 tarsal bones. The tarsal bones are located in the foot and are responsible for providing stability and support. They include the calcaneus, talus, navicular, cuboid, and the three cuneiform bones. These bones work together to allow for movement and flexibility in the foot while also providing a strong foundation for walking and standing.

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  • 23. 

    Which type of movement at a joint allows the feet to turn outwards

    • Dorsiflexion

    • Plantarflexion

    • Inversion

    • Eversion

    Correct Answer
    A. Eversion
    Explanation
    Eversion is the type of movement at a joint that allows the feet to turn outwards. This movement involves the sole of the foot turning away from the midline of the body. It is the opposite movement of inversion, which involves the sole of the foot turning towards the midline. Dorsiflexion refers to the movement of bringing the top of the foot towards the shin, while plantarflexion refers to the movement of pointing the toes downwards. Therefore, the correct answer is eversion.

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  • 24. 

    Which are the smallest facial bones, found in the orbital cavity?

    • Lacrimal

    • Zygomatic

    • Nasal

    • Palatine

    Correct Answer
    A. Lacrimal
    Explanation
    The lacrimal bones are the smallest facial bones found in the orbital cavity. They are located on the inner side of the eye sockets and contribute to the formation of the tear ducts. These bones are delicate and help protect the eyes by forming a part of the bony orbit.

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  • 25. 

    How many bones make up the axial skeleton

    • 206

    • 80

    • 126

    • 33

    Correct Answer
    A. 80
    Explanation
    The given correct answer, 80, is incorrect. The axial skeleton is composed of 80 bones, which include the skull, vertebral column, and thoracic cage. However, the correct answer is 206. The human body has a total of 206 bones, with the axial skeleton accounting for only a portion of them.

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  • 26. 

    Which pathology of the spine causes a lateral curvature of the spine?

    • Lordosis

    • Kyphosis

    • Scoliosis

    Correct Answer
    A. Scoliosis
    Explanation
    Scoliosis is the correct answer because it is a pathology of the spine that causes a lateral curvature. Lordosis refers to an excessive inward curvature of the spine, while kyphosis refers to an excessive outward curvature of the spine.

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  • 27. 

    Which of the following is not a function of the skeleton?

    • Shape

    • Storage of proteins

    • Storage of fat

    • Production of blood cells

    Correct Answer
    A. Storage of proteins
    Explanation
    The skeleton is responsible for providing shape and support to the body, storing minerals such as calcium and phosphorus, and producing blood cells through the bone marrow. However, it does not have a direct function in the storage of proteins. Proteins are primarily stored in cells and tissues throughout the body, not specifically within the skeletal system.

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  • 28. 

    Which type of arthritis ius characterised by the breakdown of articular cartilage in the joint?

    • Rheumatoid arthritis

    • Osteoarthritis

    • Gout

    • Ankylosing spondylitis

    Correct Answer
    A. Osteoarthritis
    Explanation
    Osteoarthritis is characterized by the breakdown of articular cartilage in the joint. This type of arthritis occurs when the cartilage that cushions the ends of bones in the joint gradually deteriorates, leading to pain, stiffness, and reduced mobility. Unlike rheumatoid arthritis, which is an autoimmune disease, osteoarthritis is primarily caused by wear and tear on the joints over time. Gout is a form of arthritis caused by the buildup of uric acid crystals in the joints, while ankylosing spondylitis primarily affects the spine and sacroiliac joints.

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  • 29. 

    Which of the following is an example of a hinge joint?

    • Phalanges

    • Hip

    • Sacro-iliac

    • Thumb & 1st metacarpal

    Correct Answer
    A. Phalanges
    Explanation
    Phalanges is an example of a hinge joint because hinge joints allow movement in only one plane, like a door hinge. The phalanges, which are the bones in the fingers and toes, have hinge joints that allow flexion and extension movements, similar to opening and closing a door.

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  • 30. 

    Which of the following is a correct list of carpal bones?

    • Scaphoid, scapula, pisiform, trapezius

    • Scaphoid, lunate, capitate, navicular

    • Lunate, capitate, Scaphoid, calcaneum

    • Scaphoid, pisiform, trapezoid, hamate

    Correct Answer
    A. Scaphoid, pisiform, trapezoid, hamate
  • 31. 

    Which facial bones form the anterior part of the roof of the mouth?

    • Lacrimal

    • Maxillae

    • Mandible

    • Palatine

    Correct Answer
    A. Palatine
    Explanation
    The palatine bones form the anterior part of the roof of the mouth. These bones are located at the back of the nasal cavity and help to separate the oral and nasal cavities. They contribute to the formation of the hard palate, which is the bony structure that forms the roof of the mouth. The palatine bones also play a role in the formation of the nasal cavity and the orbit (eye socket).

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  • 32. 

    The phalanges are an example of which type of bone?

    • Long

    • Short

    • Flat

    • Irregular

    • Sesamoid

    Correct Answer
    A. Long
    Explanation
    The phalanges are the bones found in the fingers and toes, and they are classified as long bones. Long bones are characterized by their elongated shape, with a shaft (diaphysis) and two expanded ends (epiphyses). They provide support, facilitate movement, and serve as a site for muscle attachment. The phalanges meet the criteria of long bones as they have a distinct shaft and epiphyses.

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  • 33. 

    Which pathology of the spine causes an increased outward curvature of the thoracic spine?

    • Lordosis

    • Kyphosis

    • Scoliosis

    Correct Answer
    A. Kyphosis
    Explanation
    Kyphosis is the correct answer because it refers to an increased outward curvature of the thoracic spine. It is a condition where the spine curves forward, causing a hunchback or rounded back appearance. Lordosis, on the other hand, is an increased inward curvature of the spine, while scoliosis is a sideways curvature of the spine.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 30, 2011
    Quiz Created by
    Keb1980
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