Human Wrist Anatomy Test: Trivia Quiz

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Human Wrist Anatomy Test: Trivia Quiz - Quiz

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Questions and Answers
  • 1. 

    Although the wrist can be variously defined, which of the following best describes the wrist in human anatomy?

    • A.

      The carpus or carpal bones of the forearm where it joins the the bones

    • B.

      The carpus or carpal bones of the forearm where it joins the capillaries

    • C.

      The carpus or carpal bones of the forearm where it joins the hand.

    • D.

      The joint connecting the vain with the forearm.

    Correct Answer
    C. The carpus or carpal bones of the forearm where it joins the hand.
    Explanation
    The wrist in human anatomy is best described as the carpus or carpal bones of the forearm where it joins the hand.

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  • 2. 

    What's the distal radioulnar joint?

    • A.

      The radius and ulna

    • B.

      Thehe socket and radius

    • C.

      Thehe ulna and socket

    • D.

      The carpal and ulna

    Correct Answer
    A. The radius and ulna
    Explanation
    The distal radioulnar joint refers to the joint between the radius and ulna bones in the forearm. It is located near the wrist and allows for rotation of the forearm. This joint plays a crucial role in movements such as pronation and supination, which involve the rotation of the hand and forearm.

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  • 3. 

    Where are the extrinsic muscles located?

    • A.

      In carpal tunnel

    • B.

      In the capillary tube

    • C.

      In the fingers

    • D.

      In the forearm

    Correct Answer
    D. In the forearm
    Explanation
    The extrinsic muscles are located in the forearm. These muscles are responsible for controlling the movement of the fingers and wrist. They originate in the forearm and extend into the hand, allowing for the flexion, extension, and rotation of the fingers and wrist.

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  • 4. 

    The marfinal movement in the wrist involves?

    • A.

      The radial deviation and ulnar deviation

    • B.

      Flexion and extension

    • C.

      The extensor pollicis longus

    • D.

      Dorsiflexion

    Correct Answer
    A. The radial deviation and ulnar deviation
    Explanation
    The correct answer is the radial deviation and ulnar deviation. The radial deviation refers to the movement of the wrist towards the thumb side, while the ulnar deviation refers to the movement of the wrist towards the little finger side. These movements allow for a wide range of motion in the wrist joint, allowing for actions such as reaching, grasping, and manipulating objects.

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  • 5. 

    Which of the following includes one of the causes of wrist pain?

    • A.

      Stress

    • B.

      Rheumatoid arthritis

    • C.

      Osteoarthritis

    • D.

      Palmarflexion

    Correct Answer
    C. Osteoarthritis
    Explanation
    Osteoarthritis is a possible cause of wrist pain. It is a degenerative joint disease that occurs when the cartilage in the joints wears down over time. This can lead to pain, stiffness, and swelling in the affected joint. In the case of wrist osteoarthritis, the pain may be felt in the wrist joint and can be worsened with movement or activity. Other symptoms may include limited range of motion and a grinding sensation in the joint. Therefore, osteoarthritis is a valid answer for the cause of wrist pain.

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  • 6. 

    The passageway on the palmar side of the wrist that connects the forearm to the hand, is known as?

    • A.

      Carpal tunnel

    • B.

      Ulnar tunnel

    • C.

      Flexor tunnel

    • D.

      Extensor tendon

    Correct Answer
    A. Carpal tunnel
    Explanation
    The passageway on the palmar side of the wrist that connects the forearm to the hand is known as the carpal tunnel. This tunnel is formed by the carpal bones and a thick ligament, and it contains the median nerve and several tendons. The carpal tunnel allows for the passage of these structures and is essential for the proper functioning of the hand and wrist.

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  • 7. 

    The thickened part of the antebrachial fascia that holds the tendons of the extensor muscles in place, called?

    • A.

      Dorsal carpal ligament

    • B.

      Wrist tendon

    • C.

      Carpal tunnel

    • D.

      Flexor retinaculum

    Correct Answer
    A. Dorsal carpal ligament
    Explanation
    The thickened part of the antebrachial fascia that holds the tendons of the extensor muscles in place is called the dorsal carpal ligament. This ligament is located on the back side of the wrist and helps to stabilize the tendons as they pass through the wrist joint. It prevents the tendons from bowstringing and maintains their proper alignment during movement.

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  • 8. 

    ....... is a fibrous band on the palmar side of the

    • A.

      Extensor

    • B.

      Flexor retinaculum

    • C.

      Metacarpus

    • D.

      Carpal ligament

    Correct Answer
    B. Flexor retinaculum
    Explanation
    The correct answer is Flexor retinaculum. The flexor retinaculum is a fibrous band located on the palmar side of the wrist. It forms a tunnel-like structure known as the carpal tunnel, through which the flexor tendons and median nerve pass. The flexor retinaculum helps to hold these structures in place and prevents them from bowstringing during wrist and finger movements.

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  • 9. 

    An ovoidarticular surface, or condyle that is received into an elliptical cavity is known as?

    • A.

      Ligaments joint

    • B.

      Midcarpal joint

    • C.

      Articular joint

    • D.

      Condyloid joint 

    Correct Answer
    D. Condyloid joint 
    Explanation
    A condyloid joint is formed when an ovoidarticular surface, or condyle, is received into an elliptical cavity. This type of joint allows for movement in two planes, such as bending and straightening, as well as some rotational movement. Examples of condyloid joints in the human body include the temporomandibular joint (jaw joint) and the metacarpophalangeal joints (knuckles).

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  • 10. 

    The wrist joint is also known as?

    • A.

      Radiocarpal joint

    • B.

      The carpal joint

    • C.

      Socket joint

    • D.

      Ulna joint

    Correct Answer
    A. Radiocarpal joint
    Explanation
    The correct answer is Radiocarpal joint. The wrist joint is commonly referred to as the radiocarpal joint because it is formed by the articulation between the radius bone in the forearm and the carpal bones in the wrist. This joint allows for flexion, extension, abduction, adduction, and circumduction movements of the hand and wrist. It is a synovial joint, meaning it is surrounded by a joint capsule and filled with synovial fluid to reduce friction and allow smooth movement.

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