Upper Extremity Anatomy Quiz

Which bone connects the upper limb to the axial skeleton?

• Clavicle

• Scapula

• Humerus

• Radius

Which process of the scapula serves as an attachment site for muscles?

• Coracoid process

• Spine of scapula

• Acromion process

• Suprascapular notch

Which bone articulates with the glenoid cavity of the scapula?

• Clavicle

• Humerus

• Radius

• Ulna

Which joint allows for flexion and extension of the elbow?

• Sternoclavicular joint

• Acromioclavicular joint

• Glenohumeral joint

• Elbow joint

Which joint allows for pronation and supination of the forearm?

• Radioulnar joints

• Radiocarpal joint

• Carpometacarpal joints

• Metacarpophalangeal joints

Which fascia surrounds the muscles of the upper extremity?

• Brachial fascia

• Antebrachial fascia

• Flexor retinaculum

• Extensor retinaculum

Which nerve innervates the trapezius muscle?

• Brachial plexus

• C5-T1 ventral rami

• Axillary nerve

• CN XI (Spinal accessory nerve)

Which nerve provides sensory innervation to the medial palm and medial aspect of the dorsal hand?

• Axillary nerve

• Lateral cutaneous nerve of forearm

• Medial cutaneous nerve of arm

• Ulnar nerve

Which nerve provides sensory innervation to the lateral palm and palmar aspects of the lateral 3 1/2 digits?

• Axillary nerve

• Lateral cutaneous nerve of forearm

• Medial cutaneous nerve of arm

• Median nerve

Which joint is indicated by the red circle?

• Glenohumeral Joint

• Acromioclavicular Joint

• Sternoclavicular Joint

• Scapulothoracic Joint