arm, cubital fossa, forearm MCQS

Question 1

1. Which nerve primarily supplies the muscles in the anterior compartment of the upper arm?
   A. Ulnar nerve
   B. Radial nerve
   C. Median nerve
   D. Musculocutaneous nerve

Answer 1

D

Question 2

2. What is the primary function of the biceps brachii at the elbow joint?
   A. Extension of the forearm
   B. Flexion of the forearm and supination
   C. Pronation of the forearm
   D. Stabilization of the elbow

Answer 2

B

Question 3

4. The brachial artery bifurcates into which two arteries at the elbow?
   A. Radial and ulnar arteries
   B. Profunda brachii and ulnar arteries
   C. Radial and median arteries
   D. Ulnar and interosseous arteries

Answer 3

A

Question 4

5. Which nerve innervates the triceps brachii muscle?
   A. Radial nerve
   B. Musculocutaneous nerve
   C. Median nerve
   D. Ulnar nerve

Answer 4

A

Question 5

6. The lateral intermuscular septum of the arm:
   A. Serves as the origin for the biceps brachii
   B. Contains cutaneous nerves for the upper arm
   C. Attaches to the lateral supracondylar ridge of the humerus
   D. Supplies blood to the posterior compartment

Answer 5

C

Question 6

7. Which cutaneous nerve provides sensation to the upper part of the medial side of the arm close to the axilla?
   A. Intercostobrachial nerve
   B. Medial antebrachial cutaneous nerve
   C. Lateral antebrachial cutaneous nerve
   D. Suprascapular nerve

Answer 6

A

Question 7

8. The coracobrachialis muscle originates from:
   A. Tip of the coracoid process
   B. Medial epicondyle of the humerus
   C. Lateral epicondyle of the humerus
   D. Greater tubercle of the humerus

Answer 7

A

Question 8

9. Which artery is the primary blood supply to the anterior compartment of the upper arm?
   A. Profunda brachii artery
   B. Brachial artery
   C. Radial artery
   D. Ulnar artery

Answer 8

B

Question 9

10. The long head of the biceps brachii performs an additional role by:
    A. Flexing the shoulder joint
    B. Stabilizing the shoulder joint from above
    C. Pronating the forearm
    D. Extending the elbow

Answer 9

B

Question 10

11. Which nerve is closely associated with the lateral side of the brachialis muscle?
    A. Musculocutaneous nerve
    B. Radial nerve
    C. Median nerve
    D. Ulnar nerve

Answer 10

B

Question 11

12. The ascending branch of the profunda brachii artery anastomoses with which artery?
    A. Superior ulnar collateral artery
    B. Descending branch of the posterior circumflex humeral artery
    C. Brachial artery
    D. Radial artery

Answer 11

B

Question 12

13. The short head of the biceps brachii originates from:
    A. Greater tubercle of the humerus
    B. Coracoid process
    C. Lateral epicondyle of the humerus
    D. Medial epicondyle of the humerus

Answer 12

B

Question 13

14. Which muscle is innervated by the radial nerve and acts as a supinator of the forearm?
    A. Biceps brachii
    B. Brachioradialis
    C. Supinator
    D. Pronator teres

Answer 13

C

Question 14

15. The median nerve crosses obliquely in front of which artery in the arm?
    A. Radial artery
    B. Brachial artery
    C. Ulnar artery
    D. Profunda brachii artery

Answer 14

B

Question 15

1Which structure is used as an anatomical landmark to identify the brachial pulse?
A. Radial nerve
B. Median nerve
C. Brachial tendon
D. Brachial vein

Answer 15

C

Question 16

What can happen if the brachial artery is damaged and not repaired?
A. Median nerve irritation
B. Radial nerve compression
C. Volkmann’s ischemic contracture
D. Cubital Tunnel Syndrome

Answer 16

C

Question 17

Which syndrome is associated with the irritation or injury of the ulnar nerve?
A. Tarsal Tunnel Syndrome
B. Cubital Tunnel Syndrome
C. Thoracic Outlet Syndrome
D. Carpal Tunnel Syndrome

Answer 17

B

Question 18

Which nerve is most lateral in the cubital fossa and divides into superficial and deep branches?
A. Median nerve
B. Radial nerve
C. Ulnar nerve
D. Musculocutaneous nerve

Answer 18

B

Question 19

What is the primary significance of the cubital fossa in relation to the upper limb?
A. It houses essential muscles for elbow extension.
B. It contains the primary nerves supplying the hand.
C. It serves as a major blood supply for the forearm.
D. It is a key area of transition between the arm and forearm.

Answer 19

D

Question 20

. Which vein is commonly used for venipuncture in the cubital fossa?
A. Basilic vein
B. Cephalic vein
C. Median cubital vein
D. Brachial vein

Answer 20

C

Question 21

Which muscle predominantly forms the floor of the cubital fossa?
A. Brachioradialis
B. Brachialis
C. Pronator teres
D. Supinator

Answer 21

B

Question 22

The brachial artery lies:
A. Lateral to the biceps tendon
B. Medial to the biceps tendon
C. Deep to the biceps tendon
D. Superficial to the biceps tendon

Answer 22

B

Question 23

Which of the following is NOT a component of the roof of the cubital fossa?
A. Skin
B. Superficial fascia
C. Bicipital aponeurosis
D. Radial nerve

Answer 23

D

Question 24

Which nerve exits the cubital fossa between the two heads of the pronator teres muscle?
A. Median nerve
B. Radial nerve
C. Ulnar nerve
D. Musculocutaneous nerve

Answer 24

A

Question 25

. The elbow joint is classified as which type of joint? A. Pivot joint B. Hinge joint C. Ball and socket joint D. Gliding joint

Answer 25

B

Question 26

Which muscle is primarily responsible for elbow flexion? A. Triceps brachii B. Biceps brachii C. Brachialis D. Anconeus

Answer 26

C

Question 27

The radial nerve innervates which muscle involved in elbow extension? A. Biceps brachii B. Brachialis C. Triceps brachii D. Pronator teres

Answer 27

C

Question 28

Which structure forms the roof of the cubital fossa? A. Brachial tendon B. Bicipital aponeurosis C. Brachioradialis D. Brachialis

Answer 28

B

Question 29

The medial epicondyle of the humerus serves as the origin for which muscle? A. Flexor digitorum superficialis B. Extensor carpi radialis C. Pronator teres D. Supinator

Answer 29

C

Question 30

Which nerve is most at risk during a fracture of the radial head? A. Median nerve B. Ulnar nerve C. Radial nerve D. Musculocutaneous nerve

Answer 30

C

Question 31

. The trochlear notch of the ulna articulates with which structure on the humerus? A. Capitulum B. Trochlea C. Medial epicondyle D. Lateral epicondyle

Answer 31

B

Question 32

Which joint is responsible for the pronation and supination of the forearm? A. Humeroulnar joint B. Proximal radioulnar joint C. Distal radioulnar joint D. Glenohumeral joint

Answer 32

B

Question 33

The carrying angle of the elbow is primarily created by the: A. Angled displacement of the radius and ulna B. Shape of the humerus C. Position of the olecranon process D. Flexion of the elbow

Answer 33

A

Question 34

Which nerve is primarily involved in the flexion of the elbow by the biceps and brachialis muscles? A. Median nerve B. Musculocutaneous nerve C. Ulnar nerve D. Radial nerve

Answer 34

B

Question 35

Which two bones form the forearm? A. Radius and ulna B. Humerus and radius C. Ulna and humerus D. Radius and fibula

Answer 35

A

Question 36

The radial artery is located on which side of the forearm? A. Medial B. Lateral C. Anterior D. Posterior

Answer 36

B

Question 37

Which nerve passes between the two heads of the pronator teres muscle in the forearm? A. Median nerve B. Ulnar nerve C. Radial nerve D. Musculocutaneous nerve

Answer 37

A

Question 38

The brachioradialis muscle is innervated by which nerve? A. Median nerve B. Ulnar nerve C. Radial nerve D. Musculocutaneous nerve

Answer 38

C

Question 39

Which muscle is responsible for supination of the forearm? A. Biceps brachii B. Pronator teres C. Supinator D. Brachioradialis

Answer 39

C

Question 40

The ulnar nerve innervates which of the following muscles in the forearm? A. Flexor digitorum superficialis B. Extensor carpi radialis C. Flexor digitorum profundus D. Brachioradialis

Answer 40

C

Question 41

Which artery forms the deep palmar arch in the hand? A. Radial artery B. Ulnar artery C. Brachial artery D. Profunda brachii artery

Answer 41

B

Question 42

The median nerve exits the cubital fossa by passing between the two heads of which muscle? A. Pronator teres B. Brachialis C. Biceps brachii D. Supinator

Answer 42

A

Question 43

Which muscle is responsible for pronation of the forearm? A. Pronator teres B. Supinator C. Brachioradialis D. Biceps brachii

Answer 43

A

Question 44

The radial nerve is most at risk of injury at which of the following sites? A. Elbow B. Wrist C. Shoulder D. Forearm

Answer 44

A

Question 45

Which nerve innervates the extensor muscles of the forearm? A. Median nerve B. Ulnar nerve C. Radial nerve D. Musculocutaneous nerve

Answer 45

C

Question 46

The ulnar nerve passes through which structure in the forearm? A. Carpal tunnel B. Cubital tunnel C. Anatomical snuffbox D. Pronator quadratus

Answer 46

B

Question 47

Which muscle is responsible for flexion of the wrist? A. Flexor carpi radialis B. Extensor carpi radialis C. Brachioradialis D. Pronator teres

Answer 47

A

Question 48

The median nerve innervates which of the following muscles in the forearm? A. Extensor digitorum B. Flexor digitorum superficialis C. Brachioradialis D. Supinator

Answer 48

B

Question 49

3. Which muscle acts as a flexor of the forearm at the elbow joint regardless of forearm position? A. Biceps brachii B. Brachialis C. Triceps brachii D. Brachioradialis

Answer 49

B

Question 50

Which of the following nerves does NOT innervate the muscles of the forearm? A. Median nerve B. Ulnar nerve C. Radial nerve D. Musculocutaneous nerve

Answer 50

D