Online quiz on the anatomy of the forearm compartments

/21

6 votes, 2.5 avg

181

Created on September 04, 2022 By

Prof Kehinde Oluwadiya

Forearm

Forearm Quiz

1 / 21

Category: Forearm

1. Extensor pollicis longus – which is INCORRECT?

1. origin = ulnar just distal to adductor pollicis longus

2. insertion = base of first distal phalanx

3. tendon hooks around Lister’s tubercle (radius)

4. forms radial boundary of snuffbox

5. nerve supply – posterior interosseous nerve (C7, 8)

2 / 21

Category: Forearm

2. Which of the following muscles DOES NOT arise from the common extensor origin?

1. extensor carpi radialis brevis

2. extensor digitorum comminus

3. extensor carpi radialis longus

4. extensor digiti minimi

5. extensor carpi ulnaris

3 / 21

Category: Forearm

3. The order of tendons in the extensor compartment of the distal forearm from radial to ulnar sides is:

1. ECRB; ECRL; EPL; ED; FCU; ECU; EI

2. ECRB; ECRL; EPL; ED; ECU; FCU; EI

3. ECRL; ECRB; EPL; ED; ECU; EI; FCU

4. ECRL; ECRB; EPL; ED & EI; ECU; FCU

5. ECRB; ECRL; EPL; ECU; FCU; ED & EI

4 / 21

Category: Forearm

4. All the following arise from the common extensor origin

1. extensor carpi radialis brevis

2. extensor carpi radialis longus

3. extensor digitorum

4. extensor digitorum minimi

5. None of the above

5 / 21

Category: Forearm

5. Which muscle arises from both ulnar and radius?

1. pronator teres

2. flexor carpi radialis

3. flexor digitorum superficialis

4. flexor digitorum profundus

5. flexor pollicis longus

6 / 21

Category: Forearm

6. Which of the following is true about flexor digitorum superficialis?

1. origin forms upper limit of the space of parona

2. all four tendons lie on the same plane under flexor retinaculum

3. is innervated by median and ulnar nerves

4. tendon to index finger separates before other three tendons high in forearm

5. median nerve passes between its two heads

7 / 21

Category: Forearm

7. In the forearm:

1. the median nerve passes between the two heads of pronator teres

2. the ulnar nerve lies deep to flexor digitorum profundus

3. superficial fibres of flexor digitorum superficialis gives rise to the tendons for index and middle fingers

4. the radial artery is on the lateral side of the radial nerve

5. the fibres of the interosseous membrane run obliquely down from ulna to radius

8 / 21

Category: Forearm

8. Simple pronation:

1. requires an intact radial nerve

2. requires an intact C8 nerve root

3. occurs without movement of the ulna

4. occurs about an axis which runs along the shaft of the radius

5. requires the action of anconeus

9 / 21

Category: Forearm

9. Regarding flexor digitorum profundus, which is NOT TRUE?

1. is the most powerful and bulky muscle of the forearm

2. arises from the common flexor origin

3. the tendon for the index separates in the forearm from the three other tendons

4. it gives rise to origin of four lumbricals

5. it is supplied by the anterior interosseous nerve and the ulnar nerve in a variable distribution

10 / 21

Category: Forearm

10. In the forearm:

1. the brachial artery lies medial to the median nerve in the cubital fossa

2. the radial artery lies lateral to the radial nerve in the middle third

3. the anterior interosseous nerve arises from the radial nerve

4. the median nerve passes between the two heads of flexor carpi ulnaris

5. the posterior interosseous nerve passes between the two layers of the supinator

11 / 21

Category: Forearm

11. Extensor pollicis longus muscle:

1. arises from the radius

2. extends the metacarpophalangeal joint of the thumb

3. is supplied by the arterial interosseous nerve

4. hooks around the dorsal tubercle of the radius (Lister’s tubercle)

5. arises proximal to the abductor pollicis longus

12 / 21

Category: Forearm

12. Which is NOT an origin of supinator

1. radial tuberosity

2. radial collateral ligament

3. lateral epicondyle of humerus

4. supinator crest of ulnar

5. aponeurosis overlying supinator muscle

13 / 21

Category: Forearm

13. Which muscle does not arise from the common extensor origin?

1. extensor carpi radialis brevis

2. extensor digitorum

3. extensor digiti minimi

4. extensor carpi radialis longus

5. extensor carpi ulnaris

14 / 21

Category: Forearm

14. Which of the following is CORRECT concerning flexor digitorum profundus?

1. it arises from both radius and ulna

2. is innervated by both median and ulnar nerves

3. the origins of the lumbricals arise from its tendons

4. it flexes the terminal phalangeal joints

15 / 21

Category: Forearm

15. Which of the following IS NOT true about pronator teres?

1. flexor digitorum superficialis

2. ulnar artery

3. flexor digitorum profundus

4. median nerve

5. flexor pollicis longus

16 / 21

Category: Forearm

16. Paralysis of which nerve results in inability to initiate abduction of the arm?

1. the axillary nerve

2. the suprascapular nerve

3. the subscapular nerve

4. the dorsal scapular nerve

5. the thoracodorsal nerve

17 / 21

Category: Forearm

17. Which of the following is CORRECT about flexor carpi radialis?

1. tendon receives muscle fibres down to just above the wrist

2. tendon lies in a groove on the trapezoid

3. arises lateral to flexor digitorum superficialis

4. has median nerve ‘plastered’ to deep surface

5. tendon pierces flexor retinaculum

18 / 21

Category: Forearm

18. Which of the following muscles arises, in part, from the radial collateral ligament of the elbow joint?

1. extensor carpi radialis brevis

2. supinator

3. extensor digiti minimi

4. extensor carpi ulnaris

5. extensor digitorum

19 / 21

Category: Forearm

19. The following are true about flexor carpi radialis EXCEPT:

1. it arises from the common flexor origin at the humerus

2. it has its own compartment in the flexor retinaculum

3. the radial artery lies laterally to it at the wrist

4. flexor pollicis longus lies medially

5. it is supplied by the median nerve

20 / 21

Category: Forearm

20. Which muscle arises from both the radius and ulna:

1. extensor pollicis longus

2. extensor pollicis brevis

3. abductor pollicis longus

4. extensor indicis

5. extensor digitorum

21 / 21

Category: Forearm

21. Which of the following lies immediately medial to the tubercle of the radius (Lister’s tubercle)?

1. extensor carpi ulnaris

2. extensor carpi radialis

3. extensor pollicis longus

4. extensor pollicis brevis

5. extensor digitorum

Your score is

Please rate this quiz

Instruction for Use

There is just one correct response for each of these multiple-choice questions.
There is a stem of five responses after the questions that are displayed at the top.
The correct response will be highlighted in green and will have a green checkmark when you click it. On the other hand, if you chose the incorrect response, your decision will be marked as incorrect and highlighted in red. At the same time, the correct response will also be emphasized as previously mentioned.
Click the “Next” button at the bottom of the quiz to advance to the following question.
To View the Quiz full page, just click the “full page” icon in the upper right-hand corner of the quiz. Click the same icon to revert the size of the quiz.

Furthermore

A certificate of completion will be mailed to you if you achieve a grade of fifty percent or higher on any quiz. Additionally, you may click the social media share icons to post your scores on social media (Facebook, Twitter, and LinkedIn).

Number of Viewers Since August 27, 2022: 1,674

Online Quiz: The Forearm

Instruction for Use

Furthermore

About the Author: Prof Kehinde Oluwadiya

Leave A Comment Cancel reply

PROF KS OLUWADIYA FORUM

POPULAR TOPICS

RECENT POSTS

LATEST REPLIES

Online Quiz: The Forearm

Instruction for Use

Furthermore

Share This Story, Choose Your Platform!

About the Author: Prof Kehinde Oluwadiya

Related Posts

Crossword: The Thoracic Wall Anatomy

Crossword: Anatomy of the Pleural

Crossword: External Anatomy of the Lung

Crossword: Chest Osteology

Crossword: Anatomy of the Breast

Crossword: The Perineum

Leave A Comment Cancel reply

PROF KS OLUWADIYA FORUM

POPULAR TOPICS

RECENT POSTS

LATEST REPLIES