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What is the main action of the biceps brachii?

Adduction of the shoulder

Extension of the elbow

Flexion of the elbow and supination of the forearm (correct)

Internal rotation of the shoulder

Which muscle crosses only one joint?

Coracobrachialis (correct)

Brachialis (correct)

Long head of triceps

Biceps brachii

What is the primary action of the rhomboidus major?

Elevation of the scapula

Protraction of the scapula

Medial rotation of the scapula

Retraction of the scapula (correct)

Which nerve is primarily responsible for the innervation of the biceps brachii?

Musculocutaneous nerve Signup and view all the answers

Which movements of the scapula are facilitated by the upper and lower fibers of trapezius?

Lateral rotation and elevation Signup and view all the answers

Which of the following statements is correct regarding the triceps muscle?

Only the long head crosses the shoulder joint Signup and view all the answers

Which nerve is responsible for the innervation of the coracobrachialis muscle?

Musculocutaneous nerve Signup and view all the answers

Which structure can be found in the anterior compartment of the arm?

Brachialis muscle Signup and view all the answers

What structure prevents the bulging of the tendon of the biceps brachii during contraction?

Transverse humeral ligament Signup and view all the answers

What action is primarily associated with the brachialis muscle?

Elbow flexion Signup and view all the answers

What is the origin of the rhomboidus major muscle?

Spines of the 2nd to 5th thoracic vertebrae Signup and view all the answers

Which part of the brachial plexus is the musculocutaneous nerve a branch from?

Lateral cord Signup and view all the answers

What is the role of the pectoralis minor in relation to the scapula?

Medial rotation Signup and view all the answers

Which of the following muscles has a double nerve supply?

Brachialis muscle Signup and view all the answers

Which muscles are involved in depression of the scapula?

Pectoralis minor and upper limb weight Signup and view all the answers

Which of these muscles assists in flexion and adduction at the shoulder joint?

Biceps brachii Signup and view all the answers

What is the first structure that the lateral cutaneous nerve of the forearm emerges from?

Coracobrachialis Signup and view all the answers

Which artery accompanies the ulnar nerve as it enters the posterior compartment of the arm?

Superior ulnar collateral artery Signup and view all the answers

Which statement correctly describes the pathway of the median nerve in the arm?

It crosses in front of the third part of the axillary artery. Signup and view all the answers

At what anatomical landmark does the ulnar nerve descend to the back of the medial epicondyle?

Middle of the arm Signup and view all the answers

Which of the following branches does NOT belong to the musculocutaneous nerve?

Branches to the flexor carpi ulnaris Signup and view all the answers

Which of the following muscles does the ulnar nerve NOT supply?

Biceps brachii Signup and view all the answers

What nerve supplies the skin of the lateral side of the forearm?

Lateral cutaneous nerve of the forearm Signup and view all the answers

Where does the median nerve lie at the cubital fossa?

On the medial side of the brachial artery Signup and view all the answers

Which structure separates the median nerve from the ulnar artery as it enters the forearm?

Deep head of pronator teres Signup and view all the answers

What is the origin of the radial nerve?

Posterior cord of the brachial plexus Signup and view all the answers

Which branch does the radial nerve give in the spiral groove?

Muscular branch to the anconeus muscle Signup and view all the answers

How does the radial nerve enter the anterior compartment of the arm?

By piercing the lateral intermuscular septum Signup and view all the answers

Which of the following is NOT a branch of the radial nerve in the axilla?

Lower lateral cutaneous nerve of the arm Signup and view all the answers

What type of branches does the median nerve primarily give in the arm?

Vasomotor branches to the brachial artery Signup and view all the answers

At which location does the radial nerve end and divide into the radial and ulnar arteries?

Cubital fossa at the level of the neck of the radius Signup and view all the answers

Which branch does the radial nerve NOT give in the groove between the brachialis and brachioradialis muscles?

Branches to the biceps brachii Signup and view all the answers

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Questions and Answers

What is the main action of the biceps brachii?

Which muscle crosses only one joint?

What is the primary action of the rhomboidus major?

Which nerve is primarily responsible for the innervation of the biceps brachii?

Which movements of the scapula are facilitated by the upper and lower fibers of trapezius?

Which of the following statements is correct regarding the triceps muscle?

Which nerve is responsible for the innervation of the coracobrachialis muscle?

Which structure can be found in the anterior compartment of the arm?

What structure prevents the bulging of the tendon of the biceps brachii during contraction?

What action is primarily associated with the brachialis muscle?

What is the origin of the rhomboidus major muscle?

Which part of the brachial plexus is the musculocutaneous nerve a branch from?

What is the role of the pectoralis minor in relation to the scapula?

Which of the following muscles has a double nerve supply?

Which muscles are involved in depression of the scapula?

Which of these muscles assists in flexion and adduction at the shoulder joint?

What is the first structure that the lateral cutaneous nerve of the forearm emerges from?

Which artery accompanies the ulnar nerve as it enters the posterior compartment of the arm?

Which statement correctly describes the pathway of the median nerve in the arm?

At what anatomical landmark does the ulnar nerve descend to the back of the medial epicondyle?

Which of the following branches does NOT belong to the musculocutaneous nerve?

Which of the following muscles does the ulnar nerve NOT supply?

What nerve supplies the skin of the lateral side of the forearm?

Where does the median nerve lie at the cubital fossa?

Which structure separates the median nerve from the ulnar artery as it enters the forearm?

What is the origin of the radial nerve?

Which branch does the radial nerve give in the spiral groove?

How does the radial nerve enter the anterior compartment of the arm?

Which of the following is NOT a branch of the radial nerve in the axilla?

What type of branches does the median nerve primarily give in the arm?

At which location does the radial nerve end and divide into the radial and ulnar arteries?

Which branch does the radial nerve NOT give in the groove between the brachialis and brachioradialis muscles?

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