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Which two rows comprise the eight carpal bones?

Lateral and medial rows

Proximal and distal rows (correct)

Anterior and posterior rows

Superior and inferior rows

What is the shape of the scaphoid bone?

Boat-shaped (correct)

Crescent-shaped

Three-sided

Hook-shaped

How many phalanges are present in the thumb?

Five

Two (correct)

Four

Three

Which of the following bones is not part of the distal row of carpal bones?

Pisiform Signup and view all the answers

What is the largest carpal bone?

Capitate Signup and view all the answers

What is the anatomical orientation of the base of the carpal bone arch?

Directed anteriorly Signup and view all the answers

Which retinaculum contains six tunnels?

Extensor retinaculum Signup and view all the answers

How many metacarpal bones are present in the hand?

Five Signup and view all the answers

Which bones form the lateral side of the carpal arch?

Scaphoid and Trapezium Signup and view all the answers

What structure forms the anterior wall of the carpal tunnel?

Flexor retinaculum Signup and view all the answers

Which of the following is NOT a part of the boundaries of the carpal tunnel?

Ulnar styloid Signup and view all the answers

The flexor retinaculum primarily functions to:

Hold long flexor tendons in position Signup and view all the answers

Which bones form the medial side of the carpal arch?

Pisiform and Hamate Signup and view all the answers

What is the primary role of the carpal tunnel?

To protect wrist tendons and nerves Signup and view all the answers

The deep part of the attachment of the flexor retinaculum is associated with which bone?

Trapezium Signup and view all the answers

Which aspect of the carpal bone arrangement contributes to forming the roof of the carpal tunnel?

Arch of the carpal bones Signup and view all the answers

Which tendon lies most anterior and medial within the carpal tunnel?

Tendons of the flexor digitorum superficialis Signup and view all the answers

Which structure is located anterior and lateral in the carpal tunnel?

Median nerve Signup and view all the answers

What is the function of the synovial sheaths in the carpal tunnel?

To protect and facilitate movement of the tendons Signup and view all the answers

Which of the following structures is not part of the carpal tunnel's contents?

Tendon of the palmaris longus Signup and view all the answers

Which nerve is located outside the carpal tunnel?

Ulnar nerve Signup and view all the answers

Which structure directly surrounds the tendon of the flexor pollicis longus?

A synovial sheath Signup and view all the answers

From medial to lateral, which is the first structure outside the carpal tunnel?

Ulnar nerve Signup and view all the answers

What arrangement do the tendons of the flexor digitorum superficialis have in relation to the flexor digitorum profundus tendons?

Superficial to the profundus tendons Signup and view all the answers

What is the primary function of the extensor retinaculum?

It holds the long extensor tendons in position. Signup and view all the answers

How many separate tunnels does the extensor retinaculum form for the long extensor tendons?

Six Signup and view all the answers

What anatomical structures separate the tunnels created by the extensor retinaculum?

Fibrous septa Signup and view all the answers

Which of the following tendons is NOT a part of the long extensor group listed?

Flexor Carpi Radialis Signup and view all the answers

Where is the extensor retinaculum located?

Across the back of the wrist Signup and view all the answers

Which anatomical component surrounds each tendon within the tunnels of the extensor retinaculum?

Synovial sheath Signup and view all the answers

Which muscle listed is responsible for wrist extension and is associated with the extensor retinaculum?

Extensor Digitorum Signup and view all the answers

What type of structural tissue predominantly composes the extensor retinaculum?

Dense connective tissue Signup and view all the answers

What is the primary cause of increased pressure on the median nerve?

Increased pressure due to overuse Signup and view all the answers

Which clinical sign is typically used to diagnose issues with the median nerve?

Tinel's sign Signup and view all the answers

What is the primary pathological feature of a ganglion cyst?

Herniation of synovial membrane Signup and view all the answers

In the case of a ganglion cyst, what is the most common symptom?

Painless swelling Signup and view all the answers

What is the appropriate management for an asymptomatic ganglion cyst?

Observation and follow-up Signup and view all the answers

What could potentially occur if a ganglion cyst compresses nearby structures?

Neuropathy and pain Signup and view all the answers

What is the significance of transillumination in assessing wrist masses?

Distinguishes between solid and fluid-filled lesions Signup and view all the answers

What is the likely diagnosis for a 27-year-old woman with a painless lump on her wrist that transilluminates?

Ganglion cyst Signup and view all the answers

Untitled Quiz

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Questions and Answers

Which two rows comprise the eight carpal bones?

What is the shape of the scaphoid bone?

How many phalanges are present in the thumb?

Which of the following bones is not part of the distal row of carpal bones?

What is the largest carpal bone?

What is the anatomical orientation of the base of the carpal bone arch?

Which retinaculum contains six tunnels?

How many metacarpal bones are present in the hand?

Which bones form the lateral side of the carpal arch?

What structure forms the anterior wall of the carpal tunnel?

Which of the following is NOT a part of the boundaries of the carpal tunnel?

The flexor retinaculum primarily functions to:

Which bones form the medial side of the carpal arch?

What is the primary role of the carpal tunnel?

The deep part of the attachment of the flexor retinaculum is associated with which bone?

Which aspect of the carpal bone arrangement contributes to forming the roof of the carpal tunnel?

Which tendon lies most anterior and medial within the carpal tunnel?

Which structure is located anterior and lateral in the carpal tunnel?

What is the function of the synovial sheaths in the carpal tunnel?

Which of the following structures is not part of the carpal tunnel's contents?

Which nerve is located outside the carpal tunnel?

Which structure directly surrounds the tendon of the flexor pollicis longus?

From medial to lateral, which is the first structure outside the carpal tunnel?

What arrangement do the tendons of the flexor digitorum superficialis have in relation to the flexor digitorum profundus tendons?

What is the primary function of the extensor retinaculum?

How many separate tunnels does the extensor retinaculum form for the long extensor tendons?

What anatomical structures separate the tunnels created by the extensor retinaculum?

Which of the following tendons is NOT a part of the long extensor group listed?

Where is the extensor retinaculum located?

Which anatomical component surrounds each tendon within the tunnels of the extensor retinaculum?

Which muscle listed is responsible for wrist extension and is associated with the extensor retinaculum?

What type of structural tissue predominantly composes the extensor retinaculum?

What is the primary cause of increased pressure on the median nerve?

Which clinical sign is typically used to diagnose issues with the median nerve?

What is the primary pathological feature of a ganglion cyst?

In the case of a ganglion cyst, what is the most common symptom?

What is the appropriate management for an asymptomatic ganglion cyst?

What could potentially occur if a ganglion cyst compresses nearby structures?

What is the significance of transillumination in assessing wrist masses?

What is the likely diagnosis for a 27-year-old woman with a painless lump on her wrist that transilluminates?

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