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Arm Bones Overview
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Arm Bones Overview

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Questions and Answers

What is the term for the bone that is located on the thumb side of the forearm?

  • Ulna
  • Radius (correct)
  • Clavicle
  • Humerus
  • What is the term for the bone that is located on the pinky side of the forearm?

  • Humerus
  • Radius
  • Scapula
  • Ulna (correct)
  • Which of the following bones are part of the wrist region?

  • Metacarpals
  • Radius
  • Phalanges
  • Carpals (correct)
  • Which bone is referred to as the long bone of the upper arm?

    <p>Humerus</p> Signup and view all the answers

    Which bones form the framework of the hand, excluding the wrist?

    <p>Both A and B</p> Signup and view all the answers

    What is the term for the shoulder blade bone?

    <p>Scapula</p> Signup and view all the answers

    What is the term for the collarbone?

    <p>Clavicle</p> Signup and view all the answers

    Study Notes

    Arm Bones Overview

    • The arm consists of multiple bones, crucial for movement and dexterity.

    Radius

    • One of the two long bones in the forearm, located on the thumb side.
    • Involved in wrist motion and forearm rotation.

    Ulna

    • The other long bone in the forearm, positioned on the opposite side of the radius (pinky side).
    • Acts as a stabilizing bone and forms the elbow joint with the humerus.

    Carpals

    • A set of eight small bones that form the wrist, allowing for intricate wrist movements.
    • Arranged in two rows, they facilitate the transition between the forearm and hand.

    Metacarpals

    • Five long bones that make up the middle part of the hand.
    • Each metacarpal connects to a finger and contributes to hand grip strength and mobility.

    Phalanges

    • The bones of the fingers, comprising three segments per finger (proximal, middle, distal) except for the thumb, which has two.
    • Essential for fine motor skills and gripping.

    Humerus

    • The single long bone in the upper arm, connecting the shoulder to the elbow.
    • Supports arm movement and serves as the attachment point for muscles.

    Scapula

    • Also known as the shoulder blade, it connects the humerus with the clavicle.
    • Plays a vital role in shoulder stability and arm movement.

    Clavicle

    • Known as the collarbone, it serves as a strut between the shoulder blade and the sternum.
    • Protects blood vessels and nerves running to the arm and facilitates arm movement.

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    Description

    This quiz covers the anatomy of the arm bones, focusing on the radius, ulna, carpals, metacarpals, phalanges, and humerus. Understanding the structure and functions of these bones is essential for comprehending human movement and dexterity. Test your knowledge about the bone composition and their roles in arm functionality.

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