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Free Practice Quiz Question List

3 The Skeletal System Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 The Skeletal System, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: The lattice of trabeculae in spongy bone helps provide strength while keeping the skeleton relatively light.

  1. A

    True

  2. B

    False

02
Choose one
1 point

A person’s joint surfaces need a smooth covering that reduces friction and helps absorb impact. Which structure provides this covering?

  1. A

    Periosteum

  2. B

    Articular cartilage

  3. C

    Yellow marrow

  4. D

    Trabeculae

03
Written response
1 point

What is the anatomical term for the shaft of a typical long bone?

04
Fill in the blank
1 point

Moving a limb away from the body’s midline is ; moving it toward the midline is .

05
True or false
1 point

True or false: Every synovial joint is functionally classified as a diarthrosis.

  1. A

    True

  2. B

    False

06
Choose all
1 point

Select all the listed bones or bone groups that belong to the axial skeleton.

  1. A

    Skull

  2. B

    Clavicles

  3. C

    Vertebral column

  4. D

    Ribs

  5. E

    Hip bones

  6. F

    Hyoid bone

07
Choose one
1 point

Vertebral bodies are connected by intervertebral discs and allow limited movement. Which structural joint classification best fits these connections?

  1. A

    Fibrous joint

  2. B

    Synovial joint

  3. C

    Cartilaginous joint

  4. D

    Ball-and-socket joint

08
Written response
1 point

What movement rotates the forearm so the palm faces down?

09
Fill in the blank
1 point

At a synovial joint, lubricates the moving surfaces, while connect bone to bone and help stabilize the joint.

10
Choose all
1 point

Select all the statements that correctly describe how components of the bone matrix contribute to its properties.

  1. A

    Collagen fibers contribute flexibility.

  2. B

    Collagen fibers are the main source of bone hardness.

  3. C

    Mineral crystals contribute hardness and strength.

  4. D

    Mineral crystals make bone flexible by replacing collagen.

11
Choose one
1 point

A person moves an arm in a circle by combining flexion, abduction, extension, and adduction. What is this movement called?

  1. A

    Rotation

  2. B

    Circumduction

  3. C

    Extension

  4. D

    Opposition

12
Open ended
1 point

A person raises an arm sideways to reach a shelf, then brings it back down to the side. Identify the shoulder movement in each part of the action and explain how the shoulder’s joint structure permits this range of motion.

13
Choose one
1 point

An adult long bone stores fat in its central cavity. Which structure is responsible for this energy-storage function?

  1. A

    Red marrow in spaces within spongy bone

  2. B

    Yellow marrow in the central cavities of adult long bones

  3. C

    Articular cartilage at joint surfaces

  4. D

    Periosteum covering the outer bone surface

14
Choose one
1 point

A bone must be strong but not completely rigid. Which description best explains how its matrix contributes to those properties?

  1. A

    Collagen fibers make bone hard, while calcium phosphate makes it flexible.

  2. B

    Collagen fibers add flexibility, while mineral crystals give bone hardness and strength.

  3. C

    Both collagen and mineral crystals make bone flexible.

  4. D

    Both collagen and mineral crystals make bone hard.

15
Written response
1 point

What smooth structure covers bone ends at joint surfaces to reduce friction and help absorb impact?

16
Choose one
1 point

A student groups the arm and leg bones together with the shoulder and hip girdles that attach the limbs to the body's central framework. Which skeletal division is the student describing?

  1. A

    Axial skeleton

  2. B

    Thoracic cage

  3. C

    Appendicular skeleton

  4. D

    Vertebral column

17
Choose one
1 point

A person raises an arm sideways, moving it away from the body's midline. Which movement is occurring at the shoulder?

  1. A

    Abduction

  2. B

    Adduction

  3. C

    Flexion

  4. D

    Retraction

18
Choose one
1 point

Which structure connects bone to bone and helps stabilize a joint?

  1. A

    Tendons

  2. B

    Ligaments

  3. C

    Articular cartilage

  4. D

    Trabeculae

19
True or false
1 point

A freely movable shoulder joint is a synovial joint; functionally, it is classified as a diarthrosis.

  1. A

    True

  2. B

    False

20
Written response
1 point

What is the plural name of the functional joint class that permits slight movement?